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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		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;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
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 = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	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(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	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 $DB_ENV;
47		86
48	our %CFG;	87	our %CFG;
49		88
50	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	90	our $RUNTIME;
52		91
53	our %PLAYER; # all users	92	our %PLAYER; # all users
54	our %MAP; # all maps	93	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		95
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
61		102
62	binmode STDOUT;	103	binmode STDOUT;
63	binmode STDERR;	104	binmode STDERR;
64		105
65	# read virtual server time, if available	106	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
70	}	111	}
71		112
72	mkdir cf::localdir;	113	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		115
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
81		119
82	#############################################################################	120	#############################################################################
83		121
84	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
85		123
…		…
92	=item $cf::RUNTIME	130	=item $cf::RUNTIME
93		131
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	133	every server tick.
96		134
97	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		138
99	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
101		143
102	=item $cf::NOW	144	=item $cf::NOW
103		145
104	The time of the last (current) server tick.	146	The time of the last (current) server tick.
105		147
106	=item $cf::TICK	148	=item $cf::TICK
107		149
108	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
109		161
110	=item %cf::CFG	162	=item %cf::CFG
111		163
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	165	from wherever your confdir points to.
114		166
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		168
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
121		178
122	=back	179	=back
123		180
124	=cut	181	=cut
125		182
126	BEGIN {	183	BEGIN {
127	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	185	my $msg = join "", @_;
129	utf8::encode $msg;
130		186
131	$msg .= "\n"	187	$msg .= "\n"
132	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
133		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
134	LOG llevError, $msg;	193	LOG llevError, $msg;
135	};	194	};
136	}	195	}
137		196
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		204
145	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	206	# within the Safe compartment.
147	for my $pkg (qw(	207	for my $pkg (qw(
148	cf::global cf::attachable	208	cf::global cf::attachable
…		…
157		217
158	$Event::DIED = sub {	218	$Event::DIED = sub {
159	warn "error in event callback: @_";	219	warn "error in event callback: @_";
160	};	220	};
161		221
162	my %ext_pkg;	222	#############################################################################
163	my @exts;
164	my @hook;
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
223	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
226	returned.	275	returned.
227		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
228	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
230		286
231	=cut	287	=cut
232		288
233	our %LOCK;	289	our %LOCK;
234		290
…		…
254	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
256	}	312	}
257	}	313	}
258		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
259	sub freeze_mainloop {	321	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
261		323
262	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
263	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
264	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
265	}	385	}
266		386
267	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
268		388
269	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		394
275	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
276		396
277	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
278		398
279	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
282		403
283	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
286	fast or be very important.	407	fast or be very important.
…		…
289		410
290	sub sync_job(&) {	411	sub sync_job(&) {
291	my ($job) = @_;	412	my ($job) = @_;
292		413
293	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
294	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
296		419
297	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
309		432
310	while ($busy) {	433	while ($busy) {
311	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
312	}	435	}
313		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
314	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
315	} else {	445	} else {
316	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
317		447
318	$job->()	448	$job->()
319	}	449	}
320	}	450	}
321		451
322	=item $coro = cf::async_ext { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
323		453
324	Like async, but this coro is automcatially being canceled when the	454	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	455	extension calling this is being unloaded.
326		456
327	=cut	457	=cut
328		458
329	sub async_ext(&) {	459	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
338		468
339	$coro	469	$coro
340	}	470	}
341		471
342	sub write_runtime {	472	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		473
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
346	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
347		478
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		480
352	aio_fsync $fh	481	sub fork_call(&@) {
353	and return;	482	my ($cb, @args) = @_;
354		483
355	close $fh	484	# we seemingly have to make a local copy of the whole thing,
356	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
357		487
358	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
359	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
360		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
361	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	621	}
363		622
364	=back	623	=back
365		624
366	=cut	625	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		626
490	#############################################################################	627	#############################################################################
491		628
492	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
493		630
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
497		634
498	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	637	Crossfire TRT).
501		638
502	=over 4	639	=over 4
503		640
504	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
505		642
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	757	our @CB_MAP = ();
621		758
622	my %attachment;	759	my %attachment;
623		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
624	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
626		769
627	use sort 'stable';	770	use sort 'stable';
628		771
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
663		806
664	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		811
669	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	813	my $pkg = shift @arg;
671		814
672	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
702	}	845	}
703		846
704	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
705	} else {	848	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	850	}
708		851
709	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
710	}	853	}
711		854
…		…
713	if (ref $_[0]) {	856	if (ref $_[0]) {
714	_object_attach @_;	857	_object_attach @_;
715	} else {	858	} else {
716	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
717	}	860	}
		861	_recalc_want;
718	};	862	};
719		863
720	# all those should be optimised	864	# all those should be optimised
721	sub cf::attachable::detach {	865	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
726	reattach ($obj);	870	reattach ($obj);
727	} else {	871	} else {
728	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
729	}	873	}
		874	_recalc_want;
730	};	875	};
731		876
732	sub cf::attachable::attached {	877	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
734		879
…		…
749	";	894	";
750	die if $@;	895	die if $@;
751	}	896	}
752		897
753	our $override;	898	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		900
756	sub override {	901	sub override {
757	$override = 1;	902	$override = 1;
758	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
759	}	904	}
760		905
761	sub do_invoke {	906	sub do_invoke {
762	my $event = shift;	907	my $event = shift;
763	my $callbacks = shift;	908	my $callbacks = shift;
764		909
765	@invoke_results = ();	910	@INVOKE_RESULTS = ();
766		911
767	local $override;	912	local $override;
768		913
769	for (@$callbacks) {	914	for (@$callbacks) {
770	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
787		932
788	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
789		934
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		938
794	=back	939	=back
795		940
796	=cut	941	=cut
797		942
798	#############################################################################	943	#############################################################################
799	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
800		956
801	sub reattach {	957	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		962
805	my $registry = $obj->registry;	963	my $registry = $obj->registry;
806		964
807	@$registry = ();	965	@$registry = ();
808		966
…		…
855	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
856		1014
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1019	close $fh;
862		1020
863	if (@$objs) {	1021	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1027	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
871	}	1029	}
872	} else {	1030	} else {
873	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
905	or return;	1063	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1065	}
908		1066
909	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1069	return ($data, $av);
912	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
913		1077
914	#############################################################################	1078	#############################################################################
915	# command handling &c	1079	# command handling &c
916		1080
917	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1095	}
932		1096
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1098
935	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
936		1104
937	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
938	called.	1106	called.
939		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
940	=cut	1119	=cut
941		1120
942	sub register_extcmd {	1121	sub register_extcmd {
943	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
944		1123
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
949	}	1131	}
950		1132
951	cf::player->attach (	1133	cf::player->attach (
952	on_command => sub {	1134	on_command => sub {
953	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1144	cf::override;
963	},	1145	},
964	on_extcmd => sub {	1146	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
966		1148
967	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1150
969	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
975	} else {	1166	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1168	}
978		1169
979	cf::override;	1170	cf::override;
980	},	1171	},
981	);	1172	);
982		1173
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1060	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1179	next unless -r $path;
1062	eval {	1180
1063	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
1064	1	1238	}
1065	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1066	}	1244	};
1067	}	1245	}
1068		1246
1069	#############################################################################	1247	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1248
1072	*cf::mapsupport::on_clean = sub {	1249	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1250
1085	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1086		1252
1087	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1088		1254
…		…
1101	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1102		1268
1103	=cut	1269	=cut
1104		1270
1105	sub playerdir($) {	1271	sub playerdir($) {
1106	cf::localdir	1272	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1274	}
1112		1275
1113	sub path($) {	1276	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1278
1116	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1117	}	1280	}
1118		1281
1119	sub find_active($) {	1282	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1124		1287
1125	sub exists($) {	1288	sub exists($) {
1126	my ($login) = @_;	1289	my ($login) = @_;
1127		1290
1128	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1130	}	1293	}
1131		1294
1132	sub find($) {	1295	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1297	my $login = $_[0];
1135		1298
1136	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1137		1300
1138	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
1139	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1140	or return;	1310	or return;
1141	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1142	}	1312	}
1143	}	1313	}
…		…
1155		1325
1156	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1158		1328
1159	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1160	Coro::cede;	1330	cf::cede_to_tick;
1161	}	1331	}
1162		1332
1163	sub new($) {	1333	sub new($) {
1164	my ($login) = @_;	1334	my ($login) = @_;
1165		1335
…		…
1171	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1172		1342
1173	$self	1343	$self
1174	}	1344	}
1175		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1176	=item $pl->quit_character	1356	=item $pl->quit_character
1177		1357
1178	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1180		1360
1181	=cut	1361	=cut
1182		1362
1183	sub quit_character {	1363	sub quit_character {
1184	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1185		1367
1186	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1370
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1199	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1200	}	1402	}
1201		1403
1202	=item cf::player::list_logins	1404	=item cf::player::list_logins
1203		1405
1204	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1206		1408
1207	=cut	1409	=cut
1208		1410
1209	sub list_logins {	1411	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1413	or return [];
1212		1414
1213	my @logins;	1415	my @logins;
1214		1416
1215	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1224	\@logins	1426	\@logins
1225	}	1427	}
1226		1428
1227	=item $player->maps	1429	=item $player->maps
1228		1430
1229	Returns an arrayref of cf::path's of all maps that are private for this	1431	Returns an arrayref of map paths that are private for this
1230	player. May block.	1432	player. May block.
1231		1433
1232	=cut	1434	=cut
1233		1435
1234	sub maps($) {	1436	sub maps($) {
1235	my ($pl) = @_;	1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1440
1237	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1238	or return;	1442	or return;
1239		1443
1240	my @paths;	1444	my @paths;
1241		1445
1242	for (@$files) {	1446	for (@$files) {
1243	utf8::decode $_;	1447	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1449	next unless /^$PATH_SEP/o;
1246		1450
1247	s/$PATH_SEP/\//g;	1451	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1452	}
1250		1453
1251	\@paths	1454	\@paths
1252	}	1455	}
1253		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1255		1509
1256	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1257		1511
1258	=cut	1512	=cut
1259		1513
1260	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1262		1516
1263	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1518	}
1267		1519
1268	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1269		1560
1270	=back	1561	=back
1271
1272		1562
1273	=head3 cf::map	1563	=head3 cf::map
1274		1564
1275	=over 4	1565	=over 4
1276		1566
…		…
1279	package cf::map;	1569	package cf::map;
1280		1570
1281	use Fcntl;	1571	use Fcntl;
1282	use Coro::AIO;	1572	use Coro::AIO;
1283		1573
		1574	use overload
		1575	'""' => \&as_string,
		1576	fallback => 1;
		1577
1284	our $MAX_RESET = 3600;	1578	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1579	our $DEFAULT_RESET = 3000;
1286		1580
1287	sub generate_random_map {	1581	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1582	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1583	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1584	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1588	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1589	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1595	(cf::region::find $rmp->{region}), $rmp->{custom}
		1596	)
		1597	}
		1598
		1599	=item cf::map->register ($regex, $prio)
		1600
		1601	Register a handler for the map path matching the given regex at the
		1602	givne priority (higher is better, built-in handlers have priority 0, the
		1603	default).
		1604
		1605	=cut
		1606
		1607	sub register {
		1608	my (undef, $regex, $prio) = @_;
		1609	my $pkg = caller;
		1610
		1611	no strict;
		1612	push @{"$pkg\::ISA"}, __PACKAGE__;
		1613
		1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1615	}
		1616
		1617	# also paths starting with '/'
		1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1619
		1620	sub thawer_merge {
		1621	my ($self, $merge) = @_;
		1622
		1623	# we have to keep some variables in memory intact
		1624	local $self->{path};
		1625	local $self->{load_path};
		1626
		1627	$self->SUPER::thawer_merge ($merge);
		1628	}
		1629
		1630	sub normalise {
		1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
		1636
		1637	# map plan:
		1638	#
		1639	# /! non-realised random map exit (special hack!)
		1640	# {... are special paths that are not being touched
		1641	# ?xxx/... are special absolute paths
		1642	# ?random/... random maps
		1643	# /... normal maps
		1644	# ~user/... per-player map of a specific user
		1645
		1646	$path =~ s/$PATH_SEP/\//go;
		1647
		1648	# treat it as relative path if it starts with
		1649	# something that looks reasonable
		1650	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1651	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1652
		1653	$base =~ s{[^/]+/?$}{};
		1654	$path = "$base/$path";
		1655	}
		1656
		1657	for ($path) {
		1658	redo if s{//}{/};
		1659	redo if s{/\.?/}{/};
		1660	redo if s{/[^/]+/\.\./}{/};
		1661	}
		1662
		1663	$path
		1664	}
		1665
		1666	sub new_from_path {
		1667	my (undef, $path, $base) = @_;
		1668
		1669	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1670
		1671	$path = normalise $path, $base;
		1672
		1673	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1674	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1675	my $self = bless cf::map::new, $pkg;
		1676	$self->{path} = $path; $self->path ($path);
		1677	$self->init; # pass $1 etc.
		1678	return $self;
		1679	}
		1680	}
		1681
		1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1683	()
		1684	}
		1685
		1686	sub init {
		1687	my ($self) = @_;
		1688
		1689	$self
		1690	}
		1691
		1692	sub as_string {
		1693	my ($self) = @_;
		1694
		1695	"$self->{path}"
		1696	}
		1697
		1698	# the displayed name, this is a one way mapping
		1699	sub visible_name {
		1700	&as_string
		1701	}
		1702
		1703	# the original (read-only) location
		1704	sub load_path {
		1705	my ($self) = @_;
		1706
		1707	"$MAPDIR/$self->{path}.map"
		1708	}
		1709
		1710	# the temporary/swap location
		1711	sub save_path {
		1712	my ($self) = @_;
		1713
		1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1715	"$TMPDIR/$path.map"
		1716	}
		1717
		1718	# the unique path, undef == no special unique path
		1719	sub uniq_path {
		1720	my ($self) = @_;
		1721
		1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1723	"$UNIQUEDIR/$path"
1304	}	1724	}
1305		1725
1306	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1307	# all maps in C++...	1727	# all maps in C++...
1308	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1310		1730
1311	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1313	}	1733	}
1314		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
		1743	sub unlink_save {
		1744	my ($self) = @_;
		1745
		1746	utf8::encode (my $save = $self->save_path);
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1748	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1749	}
		1750
1315	sub try_load_header($) {	1751	sub load_header_from($) {
1316	my ($path) = @_;	1752	my ($self, $path) = @_;
1317		1753
1318	utf8::encode $path;	1754	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
		1756	# or return;
		1757
		1758	$self->_load_header ($path)
1320	or return;	1759	or return;
1321		1760
1322	my $map = cf::map::new	1761	$self->{load_path} = $path;
		1762
		1763	1
		1764	}
		1765
		1766	sub load_header_orig {
		1767	my ($self) = @_;
		1768
		1769	$self->load_header_from ($self->load_path)
		1770	}
		1771
		1772	sub load_header_temp {
		1773	my ($self) = @_;
		1774
		1775	$self->load_header_from ($self->save_path)
		1776	}
		1777
		1778	sub prepare_temp {
		1779	my ($self) = @_;
		1780
		1781	$self->last_access ((delete $self->{last_access})
		1782	|| $cf::RUNTIME); #d#
		1783	# safety
		1784	$self->{instantiate_time} = $cf::RUNTIME
		1785	if $self->{instantiate_time} > $cf::RUNTIME;
		1786	}
		1787
		1788	sub prepare_orig {
		1789	my ($self) = @_;
		1790
		1791	$self->{load_original} = 1;
		1792	$self->{instantiate_time} = $cf::RUNTIME;
		1793	$self->last_access ($cf::RUNTIME);
		1794	$self->instantiate;
		1795	}
		1796
		1797	sub load_header {
		1798	my ($self) = @_;
		1799
		1800	if ($self->load_header_temp) {
		1801	$self->prepare_temp;
		1802	} else {
		1803	$self->load_header_orig
1323	or return;	1804	or return;
		1805	$self->prepare_orig;
		1806	}
1324		1807
1325	# for better error messages only, will be overwritten	1808	$self->{deny_reset} = 1
1326	$map->path ($path);	1809	if $self->no_reset;
1327		1810
1328	$map->load_header ($path)	1811	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1812	unless $self->default_region;
1330		1813
1331	$map->{load_path} = $path;	1814	1
1332
1333	$map
1334	}	1815	}
1335		1816
1336	sub find;	1817	sub find;
1337	sub find {	1818	sub find {
1338	my ($path, $origin) = @_;	1819	my ($path, $origin) = @_;
1339		1820
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1821	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1822
1345	cf::lock_wait "map_find:$key";	1823	cf::lock_wait "map_find:$path";
1346		1824
1347	$cf::MAP{$key} || do {	1825	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1826	my $guard = cf::lock_acquire "map_find:$path";
1349		1827	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1828	or return;
1369		1829
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1382		1831
1383	Coro::cede;	1832	$map->load_header
		1833	or return;
1384		1834
1385	if ($map->should_reset) {	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1836	# doing this can freeze the server in a sync job, obviously
		1837	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1838	$map->reset;
1387	undef $guard;	1839	undef $guard;
1388	$map = find $path	1840	return find $path;
1389	or return;
1390	}	1841	}
1391		1842
1392	$cf::MAP{$key} = $map	1843	$cf::MAP{$path} = $map
1393	}	1844	}
1394	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1395		1849
1396	sub load {	1850	sub load {
1397	my ($self) = @_;	1851	my ($self) = @_;
1398		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1399	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1401		1860
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1862
1404	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1405		1864
1406	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1407	$self->load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1871	or return;
1409		1872
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1874	if delete $self->{load_original};
1412		1875
1413	if (my $uniq = $path->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1877	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1879	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1418	}	1881	}
1419	}	1882	}
1420		1883
1421	Coro::cede;	1884	cf::cede_to_tick;
1422
1423	# now do the right thing for maps	1885	# now do the right thing for maps
1424	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1888	unless $self->difficulty;
		1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1436	$self->activate;	1898	$self->activate;
1437	}	1899	}
1438		1900
1439	Coro::cede;	1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1440		1903
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
		1905	}
		1906
		1907	$self->post_load;
		1908	}
		1909
		1910	sub customise_for {
		1911	my ($self, $ob) = @_;
		1912
		1913	return find "~" . $ob->name . "/" . $self->{path}
		1914	if $self->per_player;
		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
		1919	$self
1442	}	1920	}
1443		1921
1444	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1923	sub load_neighbours {
1446	my ($map) = @_;	1924	my ($map) = @_;
1447		1925
1448	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1449		1927
1450	for (0 .. 3) {	1928	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1452	or next;	1930	or next;
1453	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1454	or next;	1932	or next;
1455	$neigh->load;	1933	$neigh->load;
1456		1934
		1935	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	1938	}
1460		1939
1461	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1463	or next;	1943	or next;
1464	$neigh->load;	1944	$neigh->load;
1465	}	1945	}
1466	}	1946	}
1467		1947
…		…
1472	}	1952	}
1473		1953
1474	sub do_load_sync {	1954	sub do_load_sync {
1475	my ($map) = @_;	1955	my ($map) = @_;
1476		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1477	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1478	}	1961	}
1479		1962
1480	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
		1964	our $MAP_PREFETCHER = undef;
		1965
		1966	sub find_async {
		1967	my ($path, $origin, $load) = @_;
		1968
		1969	$path = normalise $path, $origin && $origin->{path};
		1970
		1971	if (my $map = $cf::MAP{$path}) {
		1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	$MAP_PREFETCH{$path} |= $load;
		1976
1481	our $MAP_PREFETCHER = Coro::async {	1977	$MAP_PREFETCHER ||= cf::async {
1482	while () {
1483	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	1980	if (my $map = find $k) {
		1981	$map->load if $v;
		1982	}
		1983
1486	my $path = delete $MAP_PREFETCH{$key};	1984	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	1985	}
1492	Coro::schedule;	1986	}
		1987	undef $MAP_PREFETCHER;
1493	}	1988	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	1989	$MAP_PREFETCHER->prio (6);
1508		1990
1509	()	1991	()
1510	}	1992	}
1511		1993
1512	sub save {	1994	sub save {
1513	my ($self) = @_;	1995	my ($self) = @_;
1514		1996
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		1998
1517	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1518		2000
1519	return unless $self->dirty;	2001	return unless $self->dirty;
1520		2002
1521	my $save = $self->{path}->save_path; utf8::encode $save;	2003	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2004	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		2005
1524	$self->{load_path} = $save;	2006	$self->{load_path} = $save;
1525		2007
1526	return if $self->{deny_save};	2008	return if $self->{deny_save};
1527		2009
…		…
1530	cf::async {	2012	cf::async {
1531	$_->contr->save for $self->players;	2013	$_->contr->save for $self->players;
1532	};	2014	};
1533		2015
1534	if ($uniq) {	2016	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2019	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2021	}
1540	}	2022	}
1541		2023
1542	sub swap_out {	2024	sub swap_out {
1543	my ($self) = @_;	2025	my ($self) = @_;
1544		2026
1545	# save first because save cedes	2027	# save first because save cedes
1546	$self->save;	2028	$self->save;
1547		2029
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2031
1550	return if $self->players;	2032	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2034	return if $self->{deny_save};
1553		2035
…		…
1557		2039
1558	sub reset_at {	2040	sub reset_at {
1559	my ($self) = @_;	2041	my ($self) = @_;
1560		2042
1561	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1564		2045
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2048
…		…
1572	my ($self) = @_;	2053	my ($self) = @_;
1573		2054
1574	$self->reset_at <= $cf::RUNTIME	2055	$self->reset_at <= $cf::RUNTIME
1575	}	2056	}
1576		2057
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2058	sub reset {
1599	my ($self) = @_;	2059	my ($self) = @_;
1600		2060
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2062
1603	return if $self->players;	2063	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2064
1606	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1607		2076
1608	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
		2078
		2079	$self->clear;
1609		2080
1610	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1611		2082
1612	$self->unlink_save;	2083	$self->unlink_save;
1613	$self->destroy;	2084	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1617		2088
1618	sub nuke {	2089	sub nuke {
1619	my ($self) = @_;	2090	my ($self) = @_;
1620		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
		2095	delete $cf::MAP{$self->path};
		2096
		2097	$self->unlink_save;
		2098
		2099	bless $self, "cf::map";
		2100	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2104
		2105	$cf::MAP{$self->path} = $self;
		2106	}
		2107
1624	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
1625	}	2109	}
1626		2110
1627	sub customise_for {	2111	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2112
1630	if ($map->per_player) {	2113	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
1632	}	2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
1633		2128
1634	$map	2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
		2145	}
		2146
		2147	=item cf::map::unique_maps
		2148
		2149	Returns an arrayref of paths of all shared maps that have
		2150	instantiated unique items. May block.
		2151
		2152	=cut
		2153
		2154	sub unique_maps() {
		2155	[
		2156	map {
		2157	utf8::decode $_;
		2158	/\.map$/
		2159	? normalise $_
		2160	: ()
		2161	} @{ aio_readdir $UNIQUEDIR or [] }
		2162	]
1635	}	2163	}
1636		2164
1637	package cf;	2165	package cf;
1638		2166
1639	=back	2167	=back
…		…
1685		2213
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2215
1688	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1690	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1693	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1694	}	2241	}
1695		2242
1696	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1697		2244
1698	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1711		2258
1712	=item $player_object->enter_link	2259	=item $player_object->enter_link
1713		2260
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2261	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2262
1716	The player should be reaosnably safe there for short amounts of time. You	2263	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2264	I<MUST> call C<leave_link> as soon as possible, though.
1718		2265
		2266	Will never block.
		2267
1719	=item $player_object->leave_link ($map, $x, $y)	2268	=item $player_object->leave_link ($map, $x, $y)
1720		2269
1721	Moves the player out of the specila link map onto the given map. If the	2270	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2271	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2272	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2273	fails, to the emergency map position.
1725		2274
1726	Might block.	2275	Might block.
1727		2276
1728	=cut	2277	=cut
		2278
		2279	sub link_map {
		2280	unless ($LINK_MAP) {
		2281	$LINK_MAP = cf::map::find "{link}"
		2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2283	$LINK_MAP->load;
		2284	}
		2285
		2286	$LINK_MAP
		2287	}
1729		2288
1730	sub cf::object::player::enter_link {	2289	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2290	my ($self) = @_;
1732		2291
1733	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1734		2293
1735	return if $self->map == $LINK_MAP;	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2295
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1739		2298
1740	$self->enter_map ($LINK_MAP, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2300	}
1742		2301
1743	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1745		2306
1746	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1747		2308
1748	unless ($map) {	2309	unless ($map) {
1749	# restore original map position	2310	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1766		2327
1767	$map->load;	2328	$map->load;
1768	$map->load_diag;	2329	$map->load_neighbours;
1769		2330
1770	return unless $self->contr->active;	2331	return unless $self->contr->active;
1771	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1773	}	2336	}
1774		2337
1775	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2339
1779	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1783	};	2344	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2345
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1810		2349
1811	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2352
1814	$path = new cf::path $path;	2353	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2355
1817	$self->enter_link;	2356	$self->enter_link;
1818		2357
1819	(async {	2358	(async {
		2359	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1822		2364	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1827		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1829	})->prio (1);	2383	})->prio (1);
1830	}	2384	}
1831		2385
1832	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1833		2387
…		…
1835		2389
1836	sub parse_random_map_params {	2390	sub parse_random_map_params {
1837	my ($spec) = @_;	2391	my ($spec) = @_;
1838		2392
1839	my $rmp = { # defaults	2393	my $rmp = { # defaults
1840	xsize => 10,	2394	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2395	ysize => (cf::rndm 15, 40),
		2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2397	#layout => string,
1842	};	2398	};
1843		2399
1844	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1846		2402
…		…
1850	$rmp	2406	$rmp
1851	}	2407	}
1852		2408
1853	sub prepare_random_map {	2409	sub prepare_random_map {
1854	my ($exit) = @_;	2410	my ($exit) = @_;
		2411
		2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2413
1856	# all this does is basically replace the /! path by	2414	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2415	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2416	# that depends on the exit object
1859		2417
1860	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1861		2419
1862	if ($exit->map) {	2420	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1867	}	2425	}
1868		2426
1869	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1870		2428
1871	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
		2431	my $meta = "$RANDOMDIR/$md5.meta";
1873		2432
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
		2435	undef $fh;
		2436	aio_rename "$meta~", $meta;
1876		2437
1877	$exit->slaying ("?random/$md5");	2438	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2439	$exit->msg (undef);
1879	}	2440	}
1880	}	2441	}
…		…
1882	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1884		2445
1885	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1886		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1887	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1888		2464
1889	(async {	2465	(async {
1890	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2467	unless (eval {
1892	prepare_random_map $exit	2468	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2469
1898	1;	2470	1;
1899	}) {	2471	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2474	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2476
1905	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2478	$self->leave_link;
1907	}	2479	}
1908	})->prio (1);	2480	})->prio (1);
…		…
1921		2493
1922	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1924		2496
1925	utf8::encode $text;	2497	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2499	}
1928		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
		2582	=item $client->ext_msg ($type, @msg)
		2583
		2584	Sends an ext event to the client.
		2585
		2586	=cut
		2587
		2588	sub cf::client::ext_msg($$@) {
		2589	my ($self, $type, @msg) = @_;
		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
		2594	push @msg, msgtype => "event_$type";
		2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
		2615	}
1929		2616
1930	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
1931		2618
1932	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2622
1936	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2624	become reliable at some point in the future.
1938		2625
1939	=cut	2626	=cut
1940		2627
1941	sub cf::client::query {	2628	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2637	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2639
1953	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
1955	}	2644	}
1956		2645
1957	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
1958	on_reply => sub {	2652	on_reply => sub {
1959	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
1960		2654
1961	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
1962	# get handled first	2656	# get handled first
1963	my $queue = delete $ns->{query_queue}	2657	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2658	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2659
1966	(shift @$queue)->[1]->($msg);	2660	(shift @$queue)->[1]->($msg);
		2661	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2662
1968	push @{ $ns->{query_queue} }, @$queue;	2663	push @{ $ns->{query_queue} }, @$queue;
1969		2664
1970	if (@{ $ns->{query_queue} } == @$queue) {	2665	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2666	if (@$queue) {
…		…
1973	} else {	2668	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2670	}
1976	}	2671	}
1977	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
1978	);	2699	);
1979		2700
1980	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
1981		2702
1982	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2025		2746
2026	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2027		2748
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2029		2754
2030	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2031		2756
2032	=pod	2757	=pod
2033		2758
2034	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2035		2760
2036	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2037	cf::object::player player	2765	cf::object::player
2038	cf::player peaceful	2766	player
2039	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2040		2773
2041	=cut	2774	=cut
2042		2775
2043	for (	2776	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2045	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2048	) {	2783	) {
2049	no strict 'refs';	2784	no strict 'refs';
…		…
2120	=back	2855	=back
2121		2856
2122	=cut	2857	=cut
2123		2858
2124	#############################################################################	2859	#############################################################################
		2860	# the server's init and main functions
2125		2861
2126	=head2 EXTENSION DATABASE SUPPORT	2862	sub load_facedata($) {
		2863	my ($path) = @_;
2127		2864
2128	Crossfire maintains a very simple database for extension use. It can	2865	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	2866	# for this (global event?)
2130	excludes objects.	2867	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		2868
2132	The parameter C<$family> should best start with the name of the extension	2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		2870
2135	=over 4	2871	warn "loading facedata from $path\n";
2136		2872
2137	=item $hashref = cf::db_get $family	2873	my $facedata;
		2874	0 < aio_load $path, $facedata
		2875	or die "$path: $!";
2138		2876
2139	Return a hashref for use by the extension C<$family>, which can be	2877	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		2878
2143	=item $value = cf::db_get $family => $key	2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		2881
2145	Returns a single value from the database	2882	# patch in the exptable
2146		2883	$facedata->{resource}{"res/exp_table"} = {
2147	=item cf::db_put $family => $hashref	2884	type => FT_RSRC,
2148		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	2886	};
		2887	cf::cede_to_tick;
2198		2888
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	2889	{
		2890	my $faces = $facedata->{faceinfo};
2203		2891
2204	sub db_get($;$) {	2892	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}	2894	cf::face::set_visibility $idx, $info->{visibility};
2207	: ($DB->{$_[0]} ||= { })	2895	cf::face::set_magicmap $idx, $info->{magicmap};
2208	}	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2209		2898
2210	sub db_put($$;$) {	2899	cf::cede_to_tick;
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2900	}
2224	);
2225	}
2226		2901
2227	#############################################################################	2902	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	2903	next unless $info->{smooth};
		2904	my $idx = cf::face::find $face
		2905	or next;
		2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
		2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2909	} else {
		2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2911	}
2229		2912
2230	sub cfg_load {	2913	cf::cede_to_tick;
		2914	}
		2915	}
		2916
		2917	{
		2918	my $anims = $facedata->{animinfo};
		2919
		2920	while (my ($anim, $info) = each %$anims) {
		2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2922	cf::cede_to_tick;
		2923	}
		2924
		2925	cf::anim::invalidate_all; # d'oh
		2926	}
		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
		2977	1
		2978	}
		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
		3022	sub reload_resources {
		3023	warn "reloading resource files...\n";
		3024
		3025	reload_regions;
		3026	reload_facedata;
		3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
		3032	}
		3033
		3034	sub init {
		3035	reload_resources;
		3036	}
		3037
		3038	sub reload_config {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3040	or return;
2233		3041
2234	local $/;	3042	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2236		3044
…		…
2250		3058
2251	sub main {	3059	sub main {
2252	# we must not ever block the main coroutine	3060	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3061	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3063	(async {
2255	async { Event::one_event };	3064	Event::one_event;
		3065	})->prio (Coro::PRIO_MAX);
2256	};	3066	};
2257		3067
2258	cfg_load;	3068	reload_config;
2259	db_load;	3069	db_init;
2260	load_extensions;	3070	load_extensions;
		3071
		3072	$TICK_WATCHER->start;
2261	Event::loop;	3073	Event::loop;
2262	}	3074	}
2263		3075
2264	#############################################################################	3076	#############################################################################
2265	# initialisation and cleanup	3077	# initialisation and cleanup
2266		3078
2267	# install some emergency cleanup handlers	3079	# install some emergency cleanup handlers
2268	BEGIN {	3080	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	3081	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3082	Event->signal (
		3083	reentrant => 0,
2271	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2272	signal => $signal,	3085	signal => $signal,
		3086	prio => 0,
2273	cb => sub {	3087	cb => sub {
2274	cf::cleanup "SIG$signal";	3088	cf::cleanup "SIG$signal";
2275	},	3089	},
2276	);	3090	);
2277	}	3091	}
2278	}	3092	}
2279		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
2280	sub emergency_save() {	3132	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2282		3134
2283	warn "enter emergency perl save\n";	3135	warn "enter emergency perl save\n";
2284		3136
2285	cf::sync_job {	3137	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	3138	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3139	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3140	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3141	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3142	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3143	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3144	$pl->valid or next;
2293	$pl->save;	3145	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	3151	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3152	$map->valid or next;
2301	$map->save;	3153	$map->save;
2302	}	3154	}
2303	warn "end emergency map save\n";	3155	warn "end emergency map save\n";
		3156
		3157	warn "begin emergency database checkpoint\n";
		3158	BDB::db_env_txn_checkpoint $DB_ENV;
		3159	warn "end emergency database checkpoint\n";
2304	};	3160	};
2305		3161
2306	warn "leave emergency perl save\n";	3162	warn "leave emergency perl save\n";
2307	}	3163	}
2308		3164
		3165	sub post_cleanup {
		3166	my ($make_core) = @_;
		3167
		3168	warn Carp::longmess "post_cleanup backtrace"
		3169	if $make_core;
		3170	}
		3171
2309	sub reload() {	3172	sub do_reload_perl() {
2310	# can/must only be called in main	3173	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3175	warn "can only reload from main coroutine";
2313	return;	3176	return;
2314	}	3177	}
2315		3178
2316	warn "reloading...";	3179	warn "reloading...";
2317		3180
2318	my $guard = freeze_mainloop;	3181	warn "entering sync_job";
		3182
		3183	cf::sync_job {
		3184	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3185	cf::emergency_save;
		3186	cf::write_runtime; # external watchdog should not bark
2320		3187
2321	eval {	3188	warn "syncing database to disk";
		3189	BDB::db_env_txn_checkpoint $DB_ENV;
		3190
2322	# if anything goes wrong in here, we should simply crash as we already saved	3191	# if anything goes wrong in here, we should simply crash as we already saved
2323		3192
2324	# cancel all watchers	3193	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	3194	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3195	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	3196	}
2328		3197
		3198	warn "flushing outstanding aio requests";
		3199	for (;;) {
		3200	BDB::flush;
		3201	IO::AIO::flush;
		3202	Coro::cede;
		3203	last unless IO::AIO::nreqs || BDB::nreqs;
		3204	warn "iterate...";
		3205	}
		3206
		3207	++$RELOAD;
		3208
2329	# cancel all extension coros	3209	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	3210	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3211	%EXT_CORO = ();
2332		3212
2333	# unload all extensions	3213	warn "removing commands";
2334	for (@exts) {	3214	%COMMAND = ();
		3215
		3216	warn "removing ext/exti commands";
		3217	%EXTCMD = ();
		3218	%EXTICMD = ();
		3219
		3220	warn "unloading/nuking all extensions";
		3221	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	3222	warn "... unloading $pkg";
2336	unload_extension $_;	3223
		3224	if (my $cb = $pkg->can ("unload")) {
		3225	eval {
		3226	$cb->($pkg);
		3227	1
		3228	} or warn "$pkg unloaded, but with errors: $@";
2337	}	3229	}
2338		3230
		3231	warn "... nuking $pkg";
		3232	Symbol::delete_package $pkg;
		3233	}
		3234
2339	# unload all modules loaded from $LIBDIR	3235	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3236	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3238
2343	warn "removing <$k>";	3239	warn "... unloading $k";
2344	delete $INC{$k};	3240	delete $INC{$k};
2345		3241
2346	$k =~ s/\.pm$//;	3242	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3243	$k =~ s/\//::/g;
2348		3244
…		…
2351	}	3247	}
2352		3248
2353	Symbol::delete_package $k;	3249	Symbol::delete_package $k;
2354	}	3250	}
2355		3251
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3252	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3255
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	3256	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2369		3259
2370	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3261	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2373		3263
2374	# reload cf.pm	3264	warn "unload completed, starting to reload now";
		3265
2375	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2376	require cf;	3267	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3269
2379	# load config and database again	3270	warn "loading config and database again";
2380	cf::cfg_load;	3271	cf::reload_config;
2381	cf::db_load;
2382		3272
2383	# load extensions
2384	warn "load extensions";	3273	warn "loading extensions";
2385	cf::load_extensions;	3274	cf::load_extensions;
2386		3275
2387	# reattach attachments to objects	3276	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3277	_global_reattach; # objects, sockets
2389	_global_reattach;	3278	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
2391	};	3280	warn "reattaching attachments to players";
		3281	reattach $_ for values %PLAYER;
2392		3282
2393	if ($@) {	3283	warn "leaving sync_job";
		3284
		3285	1
		3286	} or do {
2394	warn $@;	3287	warn $@;
2395	warn "error while reloading, exiting.";	3288	warn "error while reloading, exiting.";
2396	exit 1;	3289	exit 1;
2397	}	3290	};
2398		3291
2399	warn "reloaded successfully";	3292	warn "reloaded";
2400	};	3293	};
2401		3294
2402	#############################################################################	3295	our $RELOAD_WATCHER; # used only during reload
2403		3296
2404	unless ($LINK_MAP) {	3297	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
2406		3300
2407	$LINK_MAP->width (41);	3301	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3302	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3303	after => 0,
		3304	data => WF_AUTOCANCEL,
2417	cb => sub {	3305	cb => sub {
2418	$_[0]->w->cancel;	3306	do_reload_perl;
2419		3307	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3308	},
2438		3309	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3310	}
2444
2445	register "<global>", __PACKAGE__;
2446		3311
2447	register_command "reload" => sub {	3312	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2449		3314
2450	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3316	$who->message ("reloading server.");
		3317	async { reload_perl };
2454	}	3318	}
2455	};	3319	};
2456		3320
2457	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2458		3322
		3323	my $bug_warning = 0;
		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3349	reentrant => 0,
		3350	parked => 1,
2461	prio => 0,	3351	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3353	data => WF_AUTOCANCEL,
2464	cb => sub {	3354	cb => sub {
		3355	if ($Coro::current != $Coro::main) {
		3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3357	unless ++$bug_warning > 10;
		3358	return;
		3359	}
		3360
		3361	$NOW = $tick_start = Event::time;
		3362
2465	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2466	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2468		3390
2469	$WAIT_FOR_TICK->broadcast;	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3393	Coro::async_pool {
		3394	write_runtime
		3395	or warn "ERROR: unable to write runtime file: $!";
		3396	};
		3397	}
		3398
		3399	# my $AFTER = Event::time;
		3400	# warn $AFTER - $NOW;#d#
		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
2471		3410
2472	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3413
2475	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2477	},	3423	},
2478	);	3424	);
2479		3425
		3426	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	3427	BDB::max_poll_time $TICK * 0.1;
2481		3428	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3429	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3430	fd => BDB::poll_fileno,
2484	poll => 'r',	3431	poll => 'r',
2485	prio => 5,	3432	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3433	data => WF_AUTOCANCEL,
2492	after => 0,	3434	cb => \&BDB::poll_cb,
2493	interval => 10,	3435	);
2494	cb => sub {	3436	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3437
2496	write_runtime	3438	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	3439	my $status;
		3440	my $current = $Coro::current;
		3441	(
		3442	sub {
		3443	$status = $!;
		3444	$current->ready; undef $current;
		3445	},
		3446	sub {
		3447	Coro::schedule while defined $current;
		3448	$! = $status;
		3449	},
		3450	)
		3451	};
		3452
		3453	unless ($DB_ENV) {
		3454	$DB_ENV = BDB::db_env_create;
		3455
		3456	cf::sync_job {
		3457	eval {
		3458	BDB::db_env_open
		3459	$DB_ENV,
		3460	$BDBDIR,
		3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3463	0666;
		3464
		3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3466
		3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3468	$DB_ENV->set_lk_detect;
		3469	};
		3470
		3471	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3472	};
2499	},	3473	}
2500	);	3474	}
		3475
		3476	{
		3477	IO::AIO::min_parallel 8;
		3478
		3479	undef $Coro::AIO::WATCHER;
		3480	IO::AIO::max_poll_time $TICK * 0.1;
		3481	$AIO_POLL_WATCHER = Event->io (
		3482	reentrant => 0,
		3483	data => WF_AUTOCANCEL,
		3484	fd => IO::AIO::poll_fileno,
		3485	poll => 'r',
		3486	prio => 6,
		3487	cb => \&IO::AIO::poll_cb,
		3488	);
		3489	}
		3490
		3491	my $_log_backtrace;
		3492
		3493	sub _log_backtrace {
		3494	my ($msg, @addr) = @_;
		3495
		3496	$msg =~ s/\n//;
		3497
		3498	# limit the # of concurrent backtraces
		3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
		3526	}
		3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
2501		3531
2502	END { cf::emergency_save }	3532	END { cf::emergency_save }
2503		3533
2504	1	3534	1
2505		3535

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