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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	136	every server tick.
102		137
103	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		206
151	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
288		415
289	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
317	Coro::cede or Event::one_event;	452	Event::one_event;
318	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
319		462
320	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
321	} else {	464	} else {
322	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
323		466
…		…
343	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
344		487
345	$coro	488	$coro
346	}	489	}
347		490
348	sub write_runtime {	491	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		492
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
352	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
353		497
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	498	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		499
358	aio_fsync $fh	500	sub fork_call(&@) {
359	and return;	501	my ($cb, @args) = @_;
360		502
361	close $fh	503	# we seemingly have to make a local copy of the whole thing,
362	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
363		506
364	aio_rename "$runtime~", $runtime	507	my @res = Coro::Util::fork_eval {
365	and return;	508	reset_signals;
		509	&$cb
		510	}, @args;
366		511
		512	wantarray ? @res : $res[-1]
		513	}
		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
367	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	651	}
369		652
370	=back	653	=back
371		654
372	=cut	655	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
381		664
382	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	667	Crossfire TRT).
385		668
386	=over 4	669	=over 4
387		670
388	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
389		672
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	786	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	787	our @CB_MAP = ();
505		788
506	my %attachment;	789	my %attachment;
507		790
		791	sub cf::attachable::thawer_merge {
		792	# simply override everything except _meta
		793	local $_[0]{_meta};
		794	%{$_[0]} = %{$_[1]};
		795	}
		796
508	sub _attach_cb($$$$) {	797	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	798	my ($registry, $event, $prio, $cb) = @_;
510		799
511	use sort 'stable';	800	use sort 'stable';
512		801
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
547		836
548	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		841
553	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	843	my $pkg = shift @arg;
555		844
556	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
586	}	875	}
587		876
588	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
589	} else {	878	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	880	}
592		881
593	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
594	}	883	}
595		884
…		…
597	if (ref $_[0]) {	886	if (ref $_[0]) {
598	_object_attach @_;	887	_object_attach @_;
599	} else {	888	} else {
600	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
601	}	890	}
		891	_recalc_want;
602	};	892	};
603		893
604	# all those should be optimised	894	# all those should be optimised
605	sub cf::attachable::detach {	895	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
610	reattach ($obj);	900	reattach ($obj);
611	} else {	901	} else {
612	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
613	}	903	}
		904	_recalc_want;
614	};	905	};
615		906
616	sub cf::attachable::attached {	907	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
618		909
…		…
633	";	924	";
634	die if $@;	925	die if $@;
635	}	926	}
636		927
637	our $override;	928	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		930
640	sub override {	931	sub override {
641	$override = 1;	932	$override = 1;
642	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
643	}	934	}
644		935
645	sub do_invoke {	936	sub do_invoke {
646	my $event = shift;	937	my $event = shift;
647	my $callbacks = shift;	938	my $callbacks = shift;
648		939
649	@invoke_results = ();	940	@INVOKE_RESULTS = ();
650		941
651	local $override;	942	local $override;
652		943
653	for (@$callbacks) {	944	for (@$callbacks) {
654	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
671		962
672	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
673		964
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		968
678	=back	969	=back
679		970
680	=cut	971	=cut
681		972
682	#############################################################################	973	#############################################################################
683	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
684		1017
685	sub reattach {	1018	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1020	my ($obj) = @_;
		1021
		1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1023
689	my $registry = $obj->registry;	1024	my $registry = $obj->registry;
690		1025
691	@$registry = ();	1026	@$registry = ();
692		1027
…		…
733	sub object_freezer_save {	1068	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
735		1070
736	sync_job {	1071	sync_job {
737	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
740		1076
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1081	close $fh;
746		1082
747	if (@$objs) {	1083	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1089	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
755	}	1091	}
756	} else {	1092	} else {
757	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
763	}	1099	}
764	} else {	1100	} else {
765	aio_unlink $filename;	1101	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
767	}	1103	}
768	}	1104	};
769	}	1105	}
770		1106
771	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
773		1109
…		…
785	or return;	1121	or return;
786		1122
787	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
789	or return;	1125	or return;
790	$av = eval { (Storable::thaw $av)->{objs} };
791	}
792		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
795	return ($data, $av);	1136	($data, $av)
796	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
797		1144
798	#############################################################################	1145	#############################################################################
799	# command handling &c	1146	# command handling &c
800		1147
801	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1162	}
816		1163
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1165
819	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
820		1171
821	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
822	called.	1173	called.
823		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
824	=cut	1186	=cut
825		1187
826	sub register_extcmd {	1188	sub register_extcmd {
827	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
828		1190
829	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
830	}	1198	}
831		1199
832	cf::player->attach (	1200	cf::player->attach (
833	on_command => sub {	1201	on_command => sub {
834	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1211	cf::override;
844	},	1212	},
845	on_extcmd => sub {	1213	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
847		1215
848	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1217
850	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
856	} else {	1233	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1235	}
859		1236
860	cf::override;	1237	cf::override;
861	},	1238	},
862	);	1239	);
863		1240
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
899	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1246	next unless -r $path;
901	eval {	1247
902	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
903	1	1305	}
904	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
905	}	1311	};
906	}	1312	}
907		1313
908	#############################################################################	1314	#############################################################################
909		1315
		1316	=back
		1317
910	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
911		1319
912	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
913		1321
914	=cut	1322	=cut
…		…
919		1327
920	=head3 cf::player	1328	=head3 cf::player
921		1329
922	=over 4	1330	=over 4
923		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
924	=item cf::player::find $login	1346	=item cf::player::find $login
925		1347
926	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
927		1349
928	=cut	1350	=cut
929		1351
930	sub playerdir($) {	1352	sub playerdir($) {
931	cf::localdir	1353	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1355	}
937		1356
938	sub path($) {	1357	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1359
941	(playerdir $login) . "/$login.pl"	1360	(playerdir $login) . "/playerdata"
942	}	1361	}
943		1362
944	sub find_active($) {	1363	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1364	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1365	and $cf::PLAYER{$_[0]}->active
…		…
949		1368
950	sub exists($) {	1369	sub exists($) {
951	my ($login) = @_;	1370	my ($login) = @_;
952		1371
953	$cf::PLAYER{$login}	1372	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1373	or cf::sync_job { !aio_stat path $login }
955	}	1374	}
956		1375
957	sub find($) {	1376	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1377	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1378	my $login = $_[0];
960		1379
961	my $guard = cf::lock_acquire "user_find:$login";	1380	my $guard = cf::lock_acquire "user_find:$login";
962		1381
963	$cf::PLAYER{$_[0]} || do {	1382	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1383	# rename old playerfiles to new ones
		1384	#TODO: remove when no longer required
		1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1388	aio_unlink +(playerdir $login) . "/$login.pl";
		1389
		1390	my $f = new_from_file cf::object::thawer path $login
965	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
967	}	1398	}
968	}	1399	}
969	}	1400	}
970		1401
…		…
980		1411
981	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
983		1414
984	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
985	Coro::cede;	1416	cf::cede_to_tick;
986	}	1417	}
987		1418
988	sub new($) {	1419	sub new($) {
989	my ($login) = @_;	1420	my ($login) = @_;
990		1421
…		…
996	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
997		1428
998	$self	1429	$self
999	}	1430	}
1000		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
		1440	}
		1441
1001	=item $pl->quit_character	1442	=item $pl->quit_character
1002		1443
1003	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1445	be destroyed. May block for a long time.
1005		1446
1006	=cut	1447	=cut
1007		1448
1008	sub quit_character {	1449	sub quit_character {
1009	my ($pl) = @_;	1450	my ($pl) = @_;
		1451
		1452	my $name = $pl->ob->name;
1010		1453
1011	$pl->{deny_save} = 1;	1454	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1455	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1456
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1462	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1463	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1464	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1465	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1466	$pl->destroy;
		1467
		1468	my $prefix = qr<^~\Q$name\E/>;
		1469
		1470	# nuke player maps
		1471	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1472
1024	IO::AIO::aio_rmtree $temp;	1473	IO::AIO::aio_rmtree $temp;
		1474	}
		1475
		1476	=item $pl->kick
		1477
		1478	Kicks a player out of the game. This destroys the connection.
		1479
		1480	=cut
		1481
		1482	sub kick {
		1483	my ($pl, $kicker) = @_;
		1484
		1485	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1486	$pl->killer ("kicked");
		1487	$pl->ns->destroy;
1025	}	1488	}
1026		1489
1027	=item cf::player::list_logins	1490	=item cf::player::list_logins
1028		1491
1029	Returns am arrayref of all valid playernames in the system, can take a	1492	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1031		1494
1032	=cut	1495	=cut
1033		1496
1034	sub list_logins {	1497	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1499	or return [];
1037		1500
1038	my @logins;	1501	my @logins;
1039		1502
1040	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1044		1512
1045	utf8::decode $login;	1513	utf8::decode $login;
1046	push @logins, $login;	1514	push @logins, $login;
1047	}	1515	}
1048		1516
…		…
1056		1524
1057	=cut	1525	=cut
1058		1526
1059	sub maps($) {	1527	sub maps($) {
1060	my ($pl) = @_;	1528	my ($pl) = @_;
		1529
		1530	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1531
1062	my $files = aio_readdir playerdir $pl	1532	my $files = aio_readdir playerdir $pl
1063	or return;	1533	or return;
1064		1534
1065	my @paths;	1535	my @paths;
…		…
1067	for (@$files) {	1537	for (@$files) {
1068	utf8::decode $_;	1538	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1539	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1540	next unless /^$PATH_SEP/o;
1071		1541
1072	s/\.map$//;	1542	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1543	}
1075		1544
1076	\@paths	1545	\@paths
1077	}	1546	}
1078		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1080		1600
1081	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1082		1602
1083	=cut	1603	=cut
1084		1604
1085	sub ext_reply($$$%) {	1605	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1087		1607
1088	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1609	}
1092		1610
1093	package cf;	1611	=item $player->ext_msg ($type, @msg)
		1612
		1613	Sends an ext event to the client.
		1614
		1615	=cut
		1616
		1617	sub ext_msg($$@) {
		1618	my ($self, $type, @msg) = @_;
		1619
		1620	$self->ns->ext_msg ($type, @msg);
		1621	}
		1622
		1623	=head3 cf::region
		1624
		1625	=over 4
		1626
		1627	=cut
		1628
		1629	package cf::region;
		1630
		1631	=item cf::region::find_by_path $path
		1632
		1633	Tries to decuce the likely region for a map knowing only its path.
		1634
		1635	=cut
		1636
		1637	sub find_by_path($) {
		1638	my ($path) = @_;
		1639
		1640	my ($match, $specificity);
		1641
		1642	for my $region (list) {
		1643	if ($region->{match} && $path =~ $region->{match}) {
		1644	($match, $specificity) = ($region, $region->specificity)
		1645	if $region->specificity > $specificity;
		1646	}
		1647	}
		1648
		1649	$match
		1650	}
1094		1651
1095	=back	1652	=back
1096
1097		1653
1098	=head3 cf::map	1654	=head3 cf::map
1099		1655
1100	=over 4	1656	=over 4
1101		1657
…		…
1105		1661
1106	use Fcntl;	1662	use Fcntl;
1107	use Coro::AIO;	1663	use Coro::AIO;
1108		1664
1109	use overload	1665	use overload
1110	'""' => \&as_string;	1666	'""' => \&as_string,
		1667	fallback => 1;
1111		1668
1112	our $MAX_RESET = 3600;	1669	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1670	our $DEFAULT_RESET = 3000;
1114		1671
1115	sub generate_random_map {	1672	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1673	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1674	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1675	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1685	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1686	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1687	)
1132	}	1688	}
1133		1689
		1690	=item cf::map->register ($regex, $prio)
		1691
		1692	Register a handler for the map path matching the given regex at the
		1693	givne priority (higher is better, built-in handlers have priority 0, the
		1694	default).
		1695
		1696	=cut
		1697
1134	sub register {	1698	sub register {
1135	my (undef, $regex) = @_;	1699	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1700	my $pkg = caller;
1137		1701
1138	no strict;	1702	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1703	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1704
1141	$EXT_MAP{$pkg} = qr<$regex>;	1705	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1706	}
1143		1707
1144	# also paths starting with '/'	1708	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1709	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1710
		1711	sub thawer_merge {
		1712	my ($self, $merge) = @_;
		1713
		1714	# we have to keep some variables in memory intact
		1715	local $self->{path};
		1716	local $self->{load_path};
		1717
		1718	$self->SUPER::thawer_merge ($merge);
		1719	}
1146		1720
1147	sub normalise {	1721	sub normalise {
1148	my ($path, $base) = @_;	1722	my ($path, $base) = @_;
		1723
		1724	$path = "$path"; # make sure its a string
		1725
		1726	$path =~ s/\.map$//;
1149		1727
1150	# map plan:	1728	# map plan:
1151	#	1729	#
1152	# /! non-realised random map exit (special hack!)	1730	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1731	# {... are special paths that are not being touched
…		…
1181		1759
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1760	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1761
1184	$path = normalise $path, $base;	1762	$path = normalise $path, $base;
1185		1763
1186	for my $pkg (keys %EXT_MAP) {	1764	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1765	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1766	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1767	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1191	return $self;	1769	return $self;
1192	}	1770	}
1193	}	1771	}
1194		1772
1195	Carp::carp "unable to resolve path '$path'.";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1774	()
1197	}	1775	}
1198		1776
1199	sub init {	1777	sub init {
1200	my ($self) = @_;	1778	my ($self) = @_;
…		…
1215		1793
1216	# the original (read-only) location	1794	# the original (read-only) location
1217	sub load_path {	1795	sub load_path {
1218	my ($self) = @_;	1796	my ($self) = @_;
1219		1797
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1221	}	1799	}
1222		1800
1223	# the temporary/swap location	1801	# the temporary/swap location
1224	sub save_path {	1802	sub save_path {
1225	my ($self) = @_;	1803	my ($self) = @_;
1226		1804
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1806	"$TMPDIR/$path.map"
1229	}	1807	}
1230		1808
1231	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1232	sub uniq_path {	1810	sub uniq_path {
1233	my ($self) = @_;	1811	my ($self) = @_;
1234		1812
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1814	"$UNIQUEDIR/$path"
1237	}	1815	}
1238		1816
1239	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1240	# all maps in C++...	1818	# all maps in C++...
1241	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1243		1821
1244	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1246	}	1824	}
1247		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1248	sub unlink_save {	1834	sub unlink_save {
1249	my ($self) = @_;	1835	my ($self) = @_;
1250		1836
1251	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1839	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1840	}
1255		1841
1256	sub load_header_from($) {	1842	sub load_header_from($) {
1257	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1258		1844
1259	utf8::encode $path;	1845	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1261	or return;	1847	or return;
1262		1848
1263	$self->_load_header ($path)	1849	$self->_load_header ($f)
1264	or return;	1850	or return;
1265		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
		1854
1266	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1267		1856
1268	1	1857	1
1269	}	1858	}
1270		1859
1271	sub load_orig {	1860	sub load_header_orig {
1272	my ($self) = @_;	1861	my ($self) = @_;
1273		1862
1274	$self->load_header_from ($self->load_path)	1863	$self->load_header_from ($self->load_path)
1275	}	1864	}
1276		1865
1277	sub load_temp {	1866	sub load_header_temp {
1278	my ($self) = @_;	1867	my ($self) = @_;
1279		1868
1280	$self->load_header_from ($self->save_path)	1869	$self->load_header_from ($self->save_path)
		1870	}
		1871
		1872	sub prepare_temp {
		1873	my ($self) = @_;
		1874
		1875	$self->last_access ((delete $self->{last_access})
		1876	|| $cf::RUNTIME); #d#
		1877	# safety
		1878	$self->{instantiate_time} = $cf::RUNTIME
		1879	if $self->{instantiate_time} > $cf::RUNTIME;
		1880	}
		1881
		1882	sub prepare_orig {
		1883	my ($self) = @_;
		1884
		1885	$self->{load_original} = 1;
		1886	$self->{instantiate_time} = $cf::RUNTIME;
		1887	$self->last_access ($cf::RUNTIME);
		1888	$self->instantiate;
1281	}	1889	}
1282		1890
1283	sub load_header {	1891	sub load_header {
1284	my ($self) = @_;	1892	my ($self) = @_;
1285		1893
1286	if ($self->load_temp) {	1894	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1895	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1896	} else {
1293	$self->load_orig	1897	$self->load_header_orig
1294	or return;	1898	or return;
1295		1899	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1900	}
		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
		1905	$self->default_region (cf::region::find_by_path $self->{path})
		1906	unless $self->default_region;
1301		1907
1302	1	1908	1
1303	}	1909	}
1304		1910
1305	sub find;	1911	sub find;
1306	sub find {	1912	sub find {
1307	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1308		1914
1309	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1310		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1312		1919
1313	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1315	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1316	or return;	1925	or return;
1317		1926
1318	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1319		1928
1320	$map->load_header	1929	$map->load_header
1321	or return;	1930	or return;
1322		1931
1323	if ($map->should_reset) {	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1933	# doing this can freeze the server in a sync job, obviously
		1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1324	$map->reset;	1937	$map->reset;
1325	undef $guard;
1326	$map = find $path	1938	return find $path;
1327	or return;
1328	}	1939	}
1329		1940
1330	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1331	}	1942	}
1332	}	1943	}
		1944
		1945	sub pre_load { }
		1946	sub post_load { }
1333		1947
1334	sub load {	1948	sub load {
1335	my ($self) = @_;	1949	my ($self) = @_;
1336		1950
		1951	local $self->{deny_reset} = 1; # loading can take a long time
		1952
1337	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1339		1957
		1958	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		1960
1342	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1343		1962
1344	$self->alloc;	1963	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	1964
		1965	$self->pre_load;
		1966	cf::cede_to_tick;
		1967
		1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1346	or return;	1971	or return;
1347		1972
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	1974	if delete $self->{load_original};
1350		1975
1351	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	1977	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	1980	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1356	}	1984	}
1357	}	1985	}
1358		1986
1359	Coro::cede;	1987	$f->resolve_delayed_derefs;
1360		1988
		1989	cf::cede_to_tick;
1361	# now do the right thing for maps	1990	# now do the right thing for maps
1362	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1993	unless $self->difficulty;
1372	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1373	$self->activate;	2003	$self->activate;
1374	}	2004	}
1375		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2009	$self->in_memory (cf::MAP_IN_MEMORY);
		2010	}
		2011
		2012	$self->post_load;
1377	}	2013	}
1378		2014
1379	sub customise_for {	2015	sub customise_for {
1380	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1381		2017
1382	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2019	if $self->per_player;
1384		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1385	$self	2024	$self
1386	}	2025	}
1387		2026
1388	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2028	sub load_neighbours {
1390	my ($map) = @_;	2029	my ($map) = @_;
1391		2030
1392	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1393		2032
1394	for (0 .. 3) {	2033	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1396	or next;	2035	or next;
1397	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1398	or next;	2037	or next;
1399	$neigh->load;	2038	$neigh->load;
1400		2039
		2040	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2043	}
1404		2044
1405	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1407	or next;	2048	or next;
1408	$neigh->load;	2049	$neigh->load;
1409	}	2050	}
1410	}	2051	}
1411		2052
…		…
1416	}	2057	}
1417		2058
1418	sub do_load_sync {	2059	sub do_load_sync {
1419	my ($map) = @_;	2060	my ($map) = @_;
1420		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1421	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1422	}	2066	}
1423		2067
1424	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2069	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2070
1438	sub find_async {	2071	sub find_async {
1439	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1440		2073
1441	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1442		2075
1443	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2078	}
		2079
		2080	$MAP_PREFETCH{$path} |= $load;
		2081
		2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
		2085	while (%MAP_PREFETCH) {
		2086	while (my ($k, $v) = each %MAP_PREFETCH) {
		2087	if (my $map = find $k) {
		2088	$map->load if $v;
		2089	}
		2090
		2091	delete $MAP_PREFETCH{$k};
		2092	}
		2093	}
		2094	undef $MAP_PREFETCHER;
1445	}	2095	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2096	$MAP_PREFETCHER->prio (6);
1449		2097
1450	()	2098	()
1451	}	2099	}
1452		2100
1453	sub save {	2101	sub save {
1454	my ($self) = @_;	2102	my ($self) = @_;
1455		2103
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2105
1458	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1459		2107
1460	return unless $self->dirty;	2108	return unless $self->dirty;
1461		2109
…		…
1467	return if $self->{deny_save};	2115	return if $self->{deny_save};
1468		2116
1469	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1470		2118
1471	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1473	};	2122	};
1474		2123
1475	if ($uniq) {	2124	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1484	my ($self) = @_;	2133	my ($self) = @_;
1485		2134
1486	# save first because save cedes	2135	# save first because save cedes
1487	$self->save;	2136	$self->save;
1488		2137
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2139
1491	return if $self->players;	2140	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};	2142	return if $self->{deny_save};
1494		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2148	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2149	}
1498		2150
1499	sub reset_at {	2151	sub reset_at {
1500	my ($self) = @_;	2152	my ($self) = @_;
1501		2153
1502	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1505		2156
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2159
…		…
1513	my ($self) = @_;	2164	my ($self) = @_;
1514		2165
1515	$self->reset_at <= $cf::RUNTIME	2166	$self->reset_at <= $cf::RUNTIME
1516	}	2167	}
1517		2168
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2169	sub reset {
1533	my ($self) = @_;	2170	my ($self) = @_;
1534		2171
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2173
1537	return if $self->players;	2174	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2175
1540	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	# need to save uniques path
		2181	unless ($self->{deny_save}) {
		2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2183
		2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2185	if $uniq;
		2186	}
1541		2187
1542	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1543		2189
1544	$self->in_memory (cf::MAP_SWAPPED);	2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2192	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2193
1549	$self->unlink_save;	2194	$self->unlink_save;
1550	$self->destroy;	2195	$self->destroy;
1551	}	2196	}
1552		2197
1553	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1554		2199
1555	sub nuke {	2200	sub nuke {
1556	my ($self) = @_;	2201	my ($self) = @_;
1557		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
		2206	delete $cf::MAP{$self->path};
		2207
		2208	$self->unlink_save;
		2209
		2210	bless $self, "cf::map";
		2211	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2215
		2216	$cf::MAP{$self->path} = $self;
		2217	}
		2218
1561	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1562	}	2256	}
1563		2257
1564	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1565		2259
1566	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2261	instantiated unique items. May block.
1568		2262
1569	=cut	2263	=cut
1570		2264
1571	sub unique_maps() {	2265	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1573	or return;	2267	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2268	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2269	/\.map$/
1583	push @paths, $_;	2270	? normalise $_
		2271	: ()
		2272	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2273	]
1585
1586	\@paths
1587	}	2274	}
1588		2275
1589	package cf;	2276	package cf;
1590		2277
1591	=back	2278	=back
…		…
1609	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1610	}	2297	}
1611		2298
1612	sub inv_recursive {	2299	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1614	}	2329	}
1615		2330
1616	package cf;	2331	package cf;
1617		2332
1618	=back	2333	=back
…		…
1637		2352
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2354
1640	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1642	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1645	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1646	}	2380	}
1647		2381
1648	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1649		2383
1650	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2416	=cut
1683		2417
1684	sub link_map {	2418	sub link_map {
1685	unless ($LINK_MAP) {	2419	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2420	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2421	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2422	$LINK_MAP->load;
1689	}	2423	}
1690		2424
1691	$LINK_MAP	2425	$LINK_MAP
1692	}	2426	}
…		…
1697	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1698		2432
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2434
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1703		2437
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2439	}
1706		2440
1707	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1709		2445
1710	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1711		2447
1712	unless ($map) {	2448	unless ($map) {
1713	# restore original map position	2449	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1730		2466
1731	$map->load;	2467	$map->load;
1732	$map->load_diag;	2468	$map->load_neighbours;
1733		2469
1734	return unless $self->contr->active;	2470	return unless $self->contr->active;
1735	$self->activate_recursive;	2471	$self->activate_recursive;
		2472
		2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1737	}	2475	}
1738		2476
1739	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2478
1743	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1747	};	2483	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2484
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1774		2488
1775	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2494
1778	$self->enter_link;	2495	$self->enter_link;
1779		2496
1780	(async {	2497	(async {
1781	my $map = cf::map::find $path;	2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
		2519	my $map = eval {
		2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
1783		2524	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2525	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
1788		2528
		2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
		2535	}
		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1790	})->prio (1);	2543	})->prio (1);
1791	}	2544	}
1792		2545
1793	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1794		2547
…		…
1796		2549
1797	sub parse_random_map_params {	2550	sub parse_random_map_params {
1798	my ($spec) = @_;	2551	my ($spec) = @_;
1799		2552
1800	my $rmp = { # defaults	2553	my $rmp = { # defaults
1801	xsize => 10,	2554	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2555	ysize => (cf::rndm 15, 40),
		2556	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2557	#layout => string,
1803	};	2558	};
1804		2559
1805	for (split /\n/, $spec) {	2560	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2561	my ($k, $v) = split /\s+/, $_, 2;
1807		2562
…		…
1811	$rmp	2566	$rmp
1812	}	2567	}
1813		2568
1814	sub prepare_random_map {	2569	sub prepare_random_map {
1815	my ($exit) = @_;	2570	my ($exit) = @_;
		2571
		2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2573
1817	# all this does is basically replace the /! path by	2574	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2575	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2576	# that depends on the exit object
1820		2577
1821	my $rmp = parse_random_map_params $exit->msg;	2578	my $rmp = parse_random_map_params $exit->msg;
1822		2579
1823	if ($exit->map) {	2580	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2581	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2582	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2583	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2584	$rmp->{origin_y} = $exit->y;
1828	}	2585	}
1829		2586
1830	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1831		2588
1832	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
		2591	my $meta = "$RANDOMDIR/$md5.meta";
1834		2592
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
		2595	undef $fh;
		2596	aio_rename "$meta~", $meta;
1837		2597
1838	$exit->slaying ("?random/$md5");	2598	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2599	$exit->msg (undef);
1840	}	2600	}
1841	}	2601	}
…		…
1843	sub cf::object::player::enter_exit {	2603	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2604	my ($self, $exit) = @_;
1845		2605
1846	return unless $self->type == cf::PLAYER;	2606	return unless $self->type == cf::PLAYER;
1847		2607
		2608	if ($exit->slaying eq "/!") {
		2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2610	# the problem is that $exit might not survive long enough
		2611	# so it needs to be done right now, right here
		2612	cf::sync_job { prepare_random_map $exit };
		2613	}
		2614
		2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2616	my $hp = $exit->stats->hp;
		2617	my $sp = $exit->stats->sp;
		2618
1848	$self->enter_link;	2619	$self->enter_link;
1849		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
1850	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
1851	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2629	unless (eval {
1853	prepare_random_map $exit	2630	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2631
1859	1;	2632	1;
1860	}) {	2633	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2634	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2635	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2636	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2637	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2638
1866	warn "ERROR in enter_exit: $@";	2639	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2640	$self->leave_link;
1868	}	2641	}
1869	})->prio (1);	2642	})->prio (1);
…		…
1882		2655
1883	sub cf::client::send_drawinfo {	2656	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2657	my ($self, $text, $flags) = @_;
1885		2658
1886	utf8::encode $text;	2659	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2661	}
1889		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
		2756	=item $client->ext_msg ($type, @msg)
		2757
		2758	Sends an ext event to the client.
		2759
		2760	=cut
		2761
		2762	sub cf::client::ext_msg($$@) {
		2763	my ($self, $type, @msg) = @_;
		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
		2768	push @msg, msgtype => "event_$type";
		2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
		2789	}
1890		2790
1891	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
1892		2792
1893	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2796
1897	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2798	become reliable at some point in the future.
1899		2799
1900	=cut	2800	=cut
1901		2801
1902	sub cf::client::query {	2802	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2811	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2813
1914	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
1916	}	2818	}
1917		2819
1918	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
1919	on_reply => sub {	2826	on_reply => sub {
1920	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
1921		2828
1922	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
1923	# get handled first	2830	# get handled first
1924	my $queue = delete $ns->{query_queue}	2831	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2832	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2833
1927	(shift @$queue)->[1]->($msg);	2834	(shift @$queue)->[1]->($msg);
		2835	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2836
1929	push @{ $ns->{query_queue} }, @$queue;	2837	push @{ $ns->{query_queue} }, @$queue;
1930		2838
1931	if (@{ $ns->{query_queue} } == @$queue) {	2839	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2840	if (@$queue) {
…		…
1934	} else {	2842	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2844	}
1937	}	2845	}
1938	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
1939	);	2873	);
1940		2874
1941	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
1942		2876
1943	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
1986		2920
1987	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
1988		2922
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
1990		2928
1991	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
1992		2930
1993	=pod	2931	=pod
1994		2932
1995	The following fucntions and emthods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
1996		2934
1997	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
1998	cf::object::player player	2939	cf::object::player
1999	cf::player peaceful	2940	player
2000	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2001		2947
2002	=cut	2948	=cut
2003		2949
2004	for (	2950	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2006	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2009	) {	2957	) {
2010	no strict 'refs';	2958	no strict 'refs';
…		…
2081	=back	3029	=back
2082		3030
2083	=cut	3031	=cut
2084		3032
2085	#############################################################################	3033	#############################################################################
		3034	# the server's init and main functions
2086		3035
2087	=head2 EXTENSION DATABASE SUPPORT	3036	sub load_facedata($) {
		3037	my ($path) = @_;
2088		3038
2089	Crossfire maintains a very simple database for extension use. It can	3039	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3040	# for this (global event?)
2091	excludes objects.	3041	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3042
2093	The parameter C<$family> should best start with the name of the extension	3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3044
2096	=over 4	3045	warn "loading facedata from $path\n";
2097		3046
2098	=item $hashref = cf::db_get $family	3047	my $facedata;
		3048	0 < aio_load $path, $facedata
		3049	or die "$path: $!";
2099		3050
2100	Return a hashref for use by the extension C<$family>, which can be	3051	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3052
2104	=item $value = cf::db_get $family => $key	3053	$facedata->{version} == 2
		3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3055
2106	Returns a single value from the database	3056	# patch in the exptable
2107		3057	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3058	type => FT_RSRC,
2109		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3060	};
		3061	cf::cede_to_tick;
2159		3062
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3063	{
		3064	my $faces = $facedata->{faceinfo};
2164		3065
2165	sub db_get($;$) {	3066	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}	3068	cf::face::set_visibility $idx, $info->{visibility};
2168	: ($DB->{$_[0]} ||= { })	3069	cf::face::set_magicmap $idx, $info->{magicmap};
2169	}	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2170		3072
2171	sub db_put($$;$) {	3073	cf::cede_to_tick;
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3074	}
2185	);
2186	}
2187		3075
2188	#############################################################################	3076	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3077	next unless $info->{smooth};
		3078	my $idx = cf::face::find $face
		3079	or next;
		3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
		3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3083	} else {
		3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3085	}
2190		3086
2191	sub cfg_load {	3087	cf::cede_to_tick;
		3088	}
		3089	}
		3090
		3091	{
		3092	my $anims = $facedata->{animinfo};
		3093
		3094	while (my ($anim, $info) = each %$anims) {
		3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3096	cf::cede_to_tick;
		3097	}
		3098
		3099	cf::anim::invalidate_all; # d'oh
		3100	}
		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
		3151	1
		3152	}
		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
		3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
		3196	sub reload_resources {
		3197	warn "reloading resource files...\n";
		3198
		3199	reload_regions;
		3200	reload_facedata;
		3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
		3206	}
		3207
		3208	sub init {
		3209	reload_resources;
		3210	}
		3211
		3212	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3214	or return;
2194		3215
2195	local $/;	3216	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2197		3218
…		…
2211		3232
2212	sub main {	3233	sub main {
2213	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2216	async { Event::one_event };	3239	Event::one_event;
		3240	})->prio (Coro::PRIO_MAX);
2217	};	3241	};
2218		3242
2219	cfg_load;	3243	reload_config;
2220	db_load;	3244	db_init;
2221	load_extensions;	3245	load_extensions;
		3246
		3247	$TICK_WATCHER->start;
2222	Event::loop;	3248	Event::loop;
2223	}	3249	}
2224		3250
2225	#############################################################################	3251	#############################################################################
2226	# initialisation and cleanup	3252	# initialisation and cleanup
2227		3253
2228	# install some emergency cleanup handlers	3254	# install some emergency cleanup handlers
2229	BEGIN {	3255	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	3256	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3257	Event->signal (
		3258	reentrant => 0,
2232	data => WF_AUTOCANCEL,	3259	data => WF_AUTOCANCEL,
2233	signal => $signal,	3260	signal => $signal,
		3261	prio => 0,
2234	cb => sub {	3262	cb => sub {
2235	cf::cleanup "SIG$signal";	3263	cf::cleanup "SIG$signal";
2236	},	3264	},
2237	);	3265	);
2238	}	3266	}
		3267	}
		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
2239	}	3305	}
2240		3306
2241	sub emergency_save() {	3307	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2243		3309
…		…
2249	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2251	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3321	$pl->save;
2255	}	3322	}
2256	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2257		3324
2258	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2260	my $map = $cf::MAP{$path} or next;	3327	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3328	$map->valid or next;
2262	$map->save;	3329	$map->save;
2263	}	3330	}
2264	warn "end emergency map save\n";	3331	warn "end emergency map save\n";
		3332
		3333	warn "begin emergency database checkpoint\n";
		3334	BDB::db_env_txn_checkpoint $DB_ENV;
		3335	warn "end emergency database checkpoint\n";
2265	};	3336	};
2266		3337
2267	warn "leave emergency perl save\n";	3338	warn "leave emergency perl save\n";
2268	}	3339	}
2269		3340
		3341	sub post_cleanup {
		3342	my ($make_core) = @_;
		3343
		3344	warn Carp::longmess "post_cleanup backtrace"
		3345	if $make_core;
		3346	}
		3347
2270	sub reload() {	3348	sub do_reload_perl() {
2271	# can/must only be called in main	3349	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3351	warn "can only reload from main coroutine";
2274	return;	3352	return;
2275	}	3353	}
2276		3354
2277	warn "reloading...";	3355	warn "reloading...";
2278		3356
2279	warn "freezing server";	3357	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3358
		3359	cf::sync_job {
		3360	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3361	cf::emergency_save;
		3362	cf::write_runtime; # external watchdog should not bark
2282		3363
2283	warn "sync database to disk";	3364	warn "syncing database to disk";
2284	cf::db_sync;	3365	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3366
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3367	# if anything goes wrong in here, we should simply crash as we already saved
2289		3368
2290	warn "cancel all watchers";	3369	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	3370	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3371	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	3372	}
2294		3373
		3374	warn "flushing outstanding aio requests";
		3375	for (;;) {
		3376	BDB::flush;
		3377	IO::AIO::flush;
		3378	Coro::cede_notself;
		3379	last unless IO::AIO::nreqs || BDB::nreqs;
		3380	warn "iterate...";
		3381	}
		3382
		3383	++$RELOAD;
		3384
2295	warn "cancel all extension coros";	3385	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3386	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3387	%EXT_CORO = ();
2298		3388
2299	warn "remove commands";	3389	warn "removing commands";
2300	%COMMAND = ();	3390	%COMMAND = ();
2301		3391
2302	warn "remove ext commands";	3392	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2304		3395
2305	warn "unload/nuke all extensions";	3396	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2308		3399
2309	if (my $cb = $pkg->can ("unload")) {	3400	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3401	eval {
…		…
2315		3406
2316	warn "... nuking $pkg";	3407	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3408	Symbol::delete_package $pkg;
2318	}	3409	}
2319		3410
2320	warn "unload all perl modules loaded from $LIBDIR";	3411	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3412	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3414
2324	warn "removing <$k>";	3415	warn "... unloading $k";
2325	delete $INC{$k};	3416	delete $INC{$k};
2326		3417
2327	$k =~ s/\.pm$//;	3418	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3419	$k =~ s/\//::/g;
2329		3420
…		…
2332	}	3423	}
2333		3424
2334	Symbol::delete_package $k;	3425	Symbol::delete_package $k;
2335	}	3426	}
2336		3427
2337	warn "get rid of safe::, as good as possible";	3428	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3431
2341	warn "unload cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2343		3435
2344	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3437	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2347		3439
		3440	warn "unload completed, starting to reload now";
		3441
2348	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2349	require cf;	3443	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3445
2352	warn "load config and database again";	3446	warn "loading config and database again";
2353	cf::cfg_load;	3447	cf::reload_config;
2354	cf::db_load;
2355		3448
2356	warn "load extensions";	3449	warn "loading extensions";
2357	cf::load_extensions;	3450	cf::load_extensions;
2358		3451
2359	warn "reattach attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3453	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3454	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
2363	};	3456	warn "reattaching attachments to players";
		3457	reattach $_ for values %PLAYER;
2364		3458
2365	if ($@) {	3459	warn "leaving sync_job";
		3460
		3461	1
		3462	} or do {
2366	warn $@;	3463	warn $@;
2367	warn "error while reloading, exiting.";	3464	warn "error while reloading, exiting.";
2368	exit 1;	3465	exit 1;
2369	}	3466	};
2370		3467
2371	warn "reloaded";	3468	warn "reloaded";
2372	};	3469	};
2373		3470
		3471	our $RELOAD_WATCHER; # used only during reload
		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2374	register_command "reload" => sub {	3488	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2376		3490
2377	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3492	$who->message ("reloading server.");
		3493	async {
		3494	$Coro::current->{desc} = "perl_reload";
		3495	reload_perl;
		3496	};
2381	}	3497	}
2382	};	3498	};
2383		3499
2384	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
		3501
		3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2385		3524
2386	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	3526	reentrant => 0,
		3527	parked => 1,
2388	prio => 0,	3528	prio => 0,
2389	at => $NEXT_TICK || $TICK,	3529	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	3530	data => WF_AUTOCANCEL,
2391	cb => sub {	3531	cb => sub {
		3532	if ($Coro::current != $Coro::main) {
		3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3534	unless ++$bug_warning > 10;
		3535	return;
		3536	}
		3537
2392	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2393		3539
2394	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2395	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2397		3544
2398	$WAIT_FOR_TICK->broadcast;	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
		3549	write_runtime
		3550	or warn "ERROR: unable to write runtime file: $!";
		3551	};
		3552	}
		3553
		3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
		3560
		3561	$NOW = Event::time;
2400		3562
2401	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		3565
2404	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2406	},	3573	},
2407	);	3574	);
2408		3575
		3576	{
		3577	BDB::min_parallel 8;
		3578	BDB::max_poll_time $TICK * 0.1;
		3579	$BDB_POLL_WATCHER = Event->io (
		3580	reentrant => 0,
		3581	fd => BDB::poll_fileno,
		3582	poll => 'r',
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => \&BDB::poll_cb,
		3586	);
		3587
		3588	BDB::set_sync_prepare {
		3589	my $status;
		3590	my $current = $Coro::current;
		3591	(
		3592	sub {
		3593	$status = $!;
		3594	$current->ready; undef $current;
		3595	},
		3596	sub {
		3597	Coro::schedule while defined $current;
		3598	$! = $status;
		3599	},
		3600	)
		3601	};
		3602
		3603	unless ($DB_ENV) {
		3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3609
		3610	cf::sync_job {
		3611	eval {
		3612	BDB::db_env_open
		3613	$DB_ENV,
		3614	$BDBDIR,
		3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3617	0666;
		3618
		3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3620	};
		3621
		3622	cf::cleanup "db_env_open(db): $@" if $@;
		3623	};
		3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
		3656	}
		3657
		3658	{
		3659	IO::AIO::min_parallel 8;
		3660
		3661	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3662	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3664	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
2421	after => 0,	3666	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3667	poll => 'r',
2423	cb => sub {	3668	prio => 0,
2424	(Coro::unblock_sub {	3669	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3670	);
2426	or warn "ERROR: unable to write runtime file: $!";	3671	}
		3672
		3673	my $_log_backtrace;
		3674
		3675	sub _log_backtrace {
		3676	my ($msg, @addr) = @_;
		3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
2427	})->();	3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3710	}
2429	);	3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
2430		3715
2431	END { cf::emergency_save }	3716	END { cf::emergency_save }
2432		3717
2433	1	3718	1
2434		3719

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