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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.351 by root, Sun Sep 2 00:57:38 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	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		626
495	#############################################################################	627	#############################################################################
496		628
497	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
498		630
…		…
500	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")
501	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
502		634
503	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>
504	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
505	crossfire+).	637	Crossfire TRT).
506		638
507	=over 4	639	=over 4
508		640
509	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
510		642
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	757	our @CB_MAP = ();
626		758
627	my %attachment;	759	my %attachment;
628		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
629	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
631		769
632	use sort 'stable';	770	use sort 'stable';
633		771
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
668		806
669	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		811
674	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	813	my $pkg = shift @arg;
676		814
677	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
707	}	845	}
708		846
709	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
710	} else {	848	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	850	}
713		851
714	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
715	}	853	}
716		854
…		…
718	if (ref $_[0]) {	856	if (ref $_[0]) {
719	_object_attach @_;	857	_object_attach @_;
720	} else {	858	} else {
721	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
722	}	860	}
		861	_recalc_want;
723	};	862	};
724		863
725	# all those should be optimised	864	# all those should be optimised
726	sub cf::attachable::detach {	865	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
731	reattach ($obj);	870	reattach ($obj);
732	} else {	871	} else {
733	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
734	}	873	}
		874	_recalc_want;
735	};	875	};
736		876
737	sub cf::attachable::attached {	877	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
739		879
…		…
754	";	894	";
755	die if $@;	895	die if $@;
756	}	896	}
757		897
758	our $override;	898	our $override;
759	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?
760		900
761	sub override {	901	sub override {
762	$override = 1;	902	$override = 1;
763	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
764	}	904	}
765		905
766	sub do_invoke {	906	sub do_invoke {
767	my $event = shift;	907	my $event = shift;
768	my $callbacks = shift;	908	my $callbacks = shift;
769		909
770	@invoke_results = ();	910	@INVOKE_RESULTS = ();
771		911
772	local $override;	912	local $override;
773		913
774	for (@$callbacks) {	914	for (@$callbacks) {
775	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
792		932
793	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
794		934
795	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
796	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
797	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		938
799	=back	939	=back
800		940
801	=cut	941	=cut
802		942
803	#############################################################################	943	#############################################################################
804	# 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	}
805		956
806	sub reattach {	957	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		962
810	my $registry = $obj->registry;	963	my $registry = $obj->registry;
811		964
812	@$registry = ();	965	@$registry = ();
813		966
…		…
860	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
861		1014
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	1019	close $fh;
867		1020
868	if (@$objs) {	1021	if (@$objs) {
869	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) {
870	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	1027	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
876	}	1029	}
877	} else {	1030	} else {
878	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
910	or return;	1063	or return;
911	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
912	}	1065	}
913		1066
914	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
916	return ($data, $av);	1069	return ($data, $av);
917	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
918		1077
919	#############################################################################	1078	#############################################################################
920	# command handling &c	1079	# command handling &c
921		1080
922	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1095	}
937		1096
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1098
940	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.
941		1104
942	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
943	called.	1106	called.
944		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
945	=cut	1119	=cut
946		1120
947	sub register_extcmd {	1121	sub register_extcmd {
948	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
949		1123
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
954	}	1131	}
955		1132
956	cf::player->attach (	1133	cf::player->attach (
957	on_command => sub {	1134	on_command => sub {
958	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
967	cf::override;	1144	cf::override;
968	},	1145	},
969	on_extcmd => sub {	1146	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
971		1148
972	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1150
974	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
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
980	} else {	1166	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1168	}
983		1169
984	cf::override;	1170	cf::override;
985	},	1171	},
986	);	1172	);
987		1173
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1065	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1179	next unless -r $path;
1067	eval {	1180
1068	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;
1069	1	1238	}
1070	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1071	}	1244	};
1072	}	1245	}
1073		1246
1074	#############################################################################	1247	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1248
1077	*cf::mapsupport::on_clean = sub {	1249	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1250
1090	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1091		1252
1092	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1093		1254
…		…
1106	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1107		1268
1108	=cut	1269	=cut
1109		1270
1110	sub playerdir($) {	1271	sub playerdir($) {
1111	cf::localdir	1272	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1274	}
1117		1275
1118	sub path($) {	1276	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1278
1121	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1122	}	1280	}
1123		1281
1124	sub find_active($) {	1282	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1129		1287
1130	sub exists($) {	1288	sub exists($) {
1131	my ($login) = @_;	1289	my ($login) = @_;
1132		1290
1133	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1135	}	1293	}
1136		1294
1137	sub find($) {	1295	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1297	my $login = $_[0];
1140		1298
1141	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1142		1300
1143	$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
1144	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1145	or return;	1310	or return;
1146	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1147	}	1312	}
1148	}	1313	}
…		…
1160		1325
1161	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1163		1328
1164	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1165	Coro::cede;	1330	cf::cede_to_tick;
1166	}	1331	}
1167		1332
1168	sub new($) {	1333	sub new($) {
1169	my ($login) = @_;	1334	my ($login) = @_;
1170		1335
…		…
1176	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1177		1342
1178	$self	1343	$self
1179	}	1344	}
1180		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
1181	=item $pl->quit_character	1356	=item $pl->quit_character
1182		1357
1183	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
1184	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1185		1360
1186	=cut	1361	=cut
1187		1362
1188	sub quit_character {	1363	sub quit_character {
1189	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1190		1367
1191	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1192	$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
1193		1370
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1203	$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
1204	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;
1205	}	1402	}
1206		1403
1207	=item cf::player::list_logins	1404	=item cf::player::list_logins
1208		1405
1209	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
1210	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1211		1408
1212	=cut	1409	=cut
1213		1410
1214	sub list_logins {	1411	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1413	or return [];
1217		1414
1218	my @logins;	1415	my @logins;
1219		1416
1220	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1229	\@logins	1426	\@logins
1230	}	1427	}
1231		1428
1232	=item $player->maps	1429	=item $player->maps
1233		1430
1234	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
1235	player. May block.	1432	player. May block.
1236		1433
1237	=cut	1434	=cut
1238		1435
1239	sub maps($) {	1436	sub maps($) {
1240	my ($pl) = @_;	1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1440
1242	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1243	or return;	1442	or return;
1244		1443
1245	my @paths;	1444	my @paths;
…		…
1247	for (@$files) {	1446	for (@$files) {
1248	utf8::decode $_;	1447	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1251		1450
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1452	}
1254		1453
1255	\@paths	1454	\@paths
1256	}	1455	}
1257		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/(?<![BIUGH])</&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	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1259		1508
1260	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1261		1510
1262	=cut	1511	=cut
1263		1512
1264	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1266		1515
1267	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1517	}
1271		1518
1272	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1273		1559
1274	=back	1560	=back
1275
1276		1561
1277	=head3 cf::map	1562	=head3 cf::map
1278		1563
1279	=over 4	1564	=over 4
1280		1565
…		…
1283	package cf::map;	1568	package cf::map;
1284		1569
1285	use Fcntl;	1570	use Fcntl;
1286	use Coro::AIO;	1571	use Coro::AIO;
1287		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1288	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1290		1579
1291	sub generate_random_map {	1580	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1583	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1308	}	1723	}
1309		1724
1310	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1311	# all maps in C++...	1726	# all maps in C++...
1312	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1314		1729
1315	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1317	}	1732	}
1318		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1319	sub try_load_header($) {	1750	sub load_header_from($) {
1320	my ($path) = @_;	1751	my ($self, $path) = @_;
1321		1752
1322	utf8::encode $path;	1753	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1324	or return;	1758	or return;
1325		1759
1326	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1327	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1328		1806
1329	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1330	$map->path ($path);	1808	if $self->no_reset;
1331		1809
1332	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1333	or return;	1811	unless $self->default_region;
1334		1812
1335	$map->{load_path} = $path;	1813	1
1336
1337	$map
1338	}	1814	}
1339		1815
1340	sub find;	1816	sub find;
1341	sub find {	1817	sub find {
1342	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1343		1819
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1821
1349	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1350		1823
1351	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1353		1826	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1827	or return;
1373		1828
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1386		1830
1387	Coro::cede;	1831	$map->load_header
		1832	or return;
1388		1833
1389	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1837	$map->reset;
1391	undef $guard;	1838	undef $guard;
1392	$map = find $path	1839	return find $path;
1393	or return;
1394	}	1840	}
1395		1841
1396	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1397	}	1843	}
1398	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1399		1848
1400	sub load {	1849	sub load {
1401	my ($self) = @_;	1850	my ($self) = @_;
1402		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1403	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1405		1859
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1861
1408	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1409		1863
1410	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1411	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1870	or return;
1413		1871
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1873	if delete $self->{load_original};
1416		1874
1417	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1876	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1878	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1422	}	1880	}
1423	}	1881	}
1424		1882
1425	Coro::cede;	1883	cf::cede_to_tick;
1426
1427	# now do the right thing for maps	1884	# now do the right thing for maps
1428	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1887	unless $self->difficulty;
		1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1440	$self->activate;	1897	$self->activate;
1441	}	1898	}
1442		1899
1443	Coro::cede;	1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1444		1902
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
		1904	}
		1905
		1906	$self->post_load;
		1907	}
		1908
		1909	sub customise_for {
		1910	my ($self, $ob) = @_;
		1911
		1912	return find "~" . $ob->name . "/" . $self->{path}
		1913	if $self->per_player;
		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
		1918	$self
1446	}	1919	}
1447		1920
1448	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1922	sub load_neighbours {
1450	my ($map) = @_;	1923	my ($map) = @_;
1451		1924
1452	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1453		1926
1454	for (0 .. 3) {	1927	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1456	or next;	1929	or next;
1457	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1458	or next;	1931	or next;
1459	$neigh->load;	1932	$neigh->load;
1460		1933
		1934	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	1937	}
1464		1938
1465	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1467	or next;	1942	or next;
1468	$neigh->load;	1943	$neigh->load;
1469	}	1944	}
1470	}	1945	}
1471		1946
…		…
1476	}	1951	}
1477		1952
1478	sub do_load_sync {	1953	sub do_load_sync {
1479	my ($map) = @_;	1954	my ($map) = @_;
1480		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1481	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1482	}	1960	}
1483		1961
1484	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
		1963	our $MAP_PREFETCHER = undef;
		1964
		1965	sub find_async {
		1966	my ($path, $origin, $load) = @_;
		1967
		1968	$path = normalise $path, $origin && $origin->{path};
		1969
		1970	if (my $map = $cf::MAP{$path}) {
		1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
1485	our $MAP_PREFETCHER = Coro::async {	1976	$MAP_PREFETCHER ||= cf::async {
1486	while () {
1487	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
1490	my $path = delete $MAP_PREFETCH{$key};	1983	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	1984	}
1496	Coro::schedule;	1985	}
		1986	undef $MAP_PREFETCHER;
1497	}	1987	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1512		1989
1513	()	1990	()
1514	}	1991	}
1515		1992
1516	sub save {	1993	sub save {
1517	my ($self) = @_;	1994	my ($self) = @_;
1518		1995
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		1997
1521	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1522		1999
1523	return unless $self->dirty;	2000	return unless $self->dirty;
1524		2001
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2004
1528	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1529		2006
1530	return if $self->{deny_save};	2007	return if $self->{deny_save};
1531		2008
…		…
1534	cf::async {	2011	cf::async {
1535	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1536	};	2013	};
1537		2014
1538	if ($uniq) {	2015	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2018	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2020	}
1544	}	2021	}
1545		2022
1546	sub swap_out {	2023	sub swap_out {
1547	my ($self) = @_;	2024	my ($self) = @_;
1548		2025
1549	# save first because save cedes	2026	# save first because save cedes
1550	$self->save;	2027	$self->save;
1551		2028
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2030
1554	return if $self->players;	2031	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1556	return if $self->{deny_save};	2033	return if $self->{deny_save};
1557		2034
…		…
1561		2038
1562	sub reset_at {	2039	sub reset_at {
1563	my ($self) = @_;	2040	my ($self) = @_;
1564		2041
1565	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1568		2044
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2047
…		…
1576	my ($self) = @_;	2052	my ($self) = @_;
1577		2053
1578	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1579	}	2055	}
1580		2056
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2057	sub reset {
1603	my ($self) = @_;	2058	my ($self) = @_;
1604		2059
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2061
1607	return if $self->players;	2062	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2063
1610	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1611		2075
1612	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1613		2079
1614	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1615		2081
1616	$self->unlink_save;	2082	$self->unlink_save;
1617	$self->destroy;	2083	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1621		2087
1622	sub nuke {	2088	sub nuke {
1623	my ($self) = @_;	2089	my ($self) = @_;
1624		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
		2094	delete $cf::MAP{$self->path};
		2095
		2096	$self->unlink_save;
		2097
		2098	bless $self, "cf::map";
		2099	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2100	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2101	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2103
		2104	$cf::MAP{$self->path} = $self;
		2105	}
		2106
1628	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
1629	}	2108	}
1630		2109
1631	sub customise_for {	2110	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2111
1634	if ($map->per_player) {	2112	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
1636	}	2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
1637		2127
1638	$map	2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1639	}	2144	}
1640		2145
1641	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1642		2147
1643	Returns an arrayref of cf::path's of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2149	instantiated unique items. May block.
1645		2150
1646	=cut	2151	=cut
1647		2152
1648	sub unique_maps() {	2153	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1650	or return;	2155	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2156	utf8::decode $_;
1656	next if /\.pst$/;	2157	/\.map$/
1657	next unless /^$PATH_SEP/o;	2158	? normalise $_
1658		2159	: ()
1659	push @paths, new cf::path $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2161	]
1661
1662	\@paths
1663	}	2162	}
1664		2163
1665	package cf;	2164	package cf;
1666		2165
1667	=back	2166	=back
…		…
1713		2212
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2214
1716	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1718	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1721	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1722	}	2240	}
1723		2241
1724	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1725		2243
1726	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1739		2257
1740	=item $player_object->enter_link	2258	=item $player_object->enter_link
1741		2259
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2260	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2261
1744	The player should be reaosnably safe there for short amounts of time. You	2262	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	2263	I<MUST> call C<leave_link> as soon as possible, though.
1746		2264
		2265	Will never block.
		2266
1747	=item $player_object->leave_link ($map, $x, $y)	2267	=item $player_object->leave_link ($map, $x, $y)
1748		2268
1749	Moves the player out of the specila link map onto the given map. If the	2269	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2270	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2271	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2272	fails, to the emergency map position.
1753		2273
1754	Might block.	2274	Might block.
1755		2275
1756	=cut	2276	=cut
		2277
		2278	sub link_map {
		2279	unless ($LINK_MAP) {
		2280	$LINK_MAP = cf::map::find "{link}"
		2281	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2282	$LINK_MAP->load;
		2283	}
		2284
		2285	$LINK_MAP
		2286	}
1757		2287
1758	sub cf::object::player::enter_link {	2288	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2289	my ($self) = @_;
1760		2290
1761	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1762		2292
1763	return if $self->map == $LINK_MAP;	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2294
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1767		2297
1768	$self->enter_map ($LINK_MAP, 20, 20);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2299	}
1770		2300
1771	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1773		2305
1774	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1775		2307
1776	unless ($map) {	2308	unless ($map) {
1777	# restore original map position	2309	# restore original map position
…		…
1791	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1794		2326
1795	$map->load;	2327	$map->load;
1796	$map->load_diag;	2328	$map->load_neighbours;
1797		2329
1798	return unless $self->contr->active;	2330	return unless $self->contr->active;
1799	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1801	}	2335	}
1802		2336
1803	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2338
1807	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1811	};	2343	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2344
1817	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1838		2348
1839	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2351
1842	$path = new cf::path $path;	2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2354
1844	$self->enter_link;	2355	$self->enter_link;
1845		2356
1846	(async {	2357	(async {
		2358	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
1849		2363	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2364	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
1854		2367
		2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
		2374	}
		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1856	})->prio (1);	2382	})->prio (1);
1857	}	2383	}
1858		2384
1859	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1860		2386
…		…
1862		2388
1863	sub parse_random_map_params {	2389	sub parse_random_map_params {
1864	my ($spec) = @_;	2390	my ($spec) = @_;
1865		2391
1866	my $rmp = { # defaults	2392	my $rmp = { # defaults
1867	xsize => 10,	2393	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2394	ysize => (cf::rndm 15, 40),
		2395	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2396	#layout => string,
1869	};	2397	};
1870		2398
1871	for (split /\n/, $spec) {	2399	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2400	my ($k, $v) = split /\s+/, $_, 2;
1873		2401
…		…
1877	$rmp	2405	$rmp
1878	}	2406	}
1879		2407
1880	sub prepare_random_map {	2408	sub prepare_random_map {
1881	my ($exit) = @_;	2409	my ($exit) = @_;
		2410
		2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2412
1883	# all this does is basically replace the /! path by	2413	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2414	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2415	# that depends on the exit object
1886		2416
1887	my $rmp = parse_random_map_params $exit->msg;	2417	my $rmp = parse_random_map_params $exit->msg;
1888		2418
1889	if ($exit->map) {	2419	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2420	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2421	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2422	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2423	$rmp->{origin_y} = $exit->y;
1894	}	2424	}
1895		2425
1896	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1897		2427
1898	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
		2430	my $meta = "$RANDOMDIR/$md5.meta";
1900		2431
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
		2434	undef $fh;
		2435	aio_rename "$meta~", $meta;
1903		2436
1904	$exit->slaying ("?random/$md5");	2437	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2438	$exit->msg (undef);
1906	}	2439	}
1907	}	2440	}
…		…
1909	sub cf::object::player::enter_exit {	2442	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2443	my ($self, $exit) = @_;
1911		2444
1912	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1913		2446
		2447	if ($exit->slaying eq "/!") {
		2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
		2451	cf::sync_job { prepare_random_map $exit };
		2452	}
		2453
		2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2455	my $hp = $exit->stats->hp;
		2456	my $sp = $exit->stats->sp;
		2457
1914	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1915		2463
1916	(async {	2464	(async {
1917	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2466	unless (eval {
1919	prepare_random_map $exit	2467	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2468
1925	1;	2469	1;
1926	}) {	2470	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2475
1932	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2477	$self->leave_link;
1934	}	2478	}
1935	})->prio (1);	2479	})->prio (1);
…		…
1948		2492
1949	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1951		2495
1952	utf8::encode $text;	2496	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2498	}
1955		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
		2574	=item $client->ext_msg ($type, @msg)
		2575
		2576	Sends an ext event to the client.
		2577
		2578	=cut
		2579
		2580	sub cf::client::ext_msg($$@) {
		2581	my ($self, $type, @msg) = @_;
		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
		2586	push @msg, msgtype => "event_$type";
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
		2607	}
1956		2608
1957	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
1958		2610
1959	Queues a query to the client, calling the given callback with	2611	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2612	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		2614
1963	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	2616	become reliable at some point in the future.
1965		2617
1966	=cut	2618	=cut
1967		2619
1968	sub cf::client::query {	2620	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	2629	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		2631
1980	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
1982	}	2636	}
1983		2637
1984	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
1985	on_reply => sub {	2644	on_reply => sub {
1986	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
1987		2646
1988	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
1989	# get handled first	2648	# get handled first
1990	my $queue = delete $ns->{query_queue}	2649	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2650	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2651
1993	(shift @$queue)->[1]->($msg);	2652	(shift @$queue)->[1]->($msg);
		2653	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2654
1995	push @{ $ns->{query_queue} }, @$queue;	2655	push @{ $ns->{query_queue} }, @$queue;
1996		2656
1997	if (@{ $ns->{query_queue} } == @$queue) {	2657	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2658	if (@$queue) {
…		…
2000	} else {	2660	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	2662	}
2003	}	2663	}
2004	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
2005	);	2691	);
2006		2692
2007	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
2008		2694
2009	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
2052		2738
2053	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
2054		2740
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
2056		2746
2057	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
2058		2748
2059	=pod	2749	=pod
2060		2750
2061	The following fucntions and emthods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
2062		2752
2063	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
2064	cf::object::player player	2757	cf::object::player
2065	cf::player peaceful	2758	player
2066	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
2067		2765
2068	=cut	2766	=cut
2069		2767
2070	for (	2768	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
2072	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
2074	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
2075	) {	2775	) {
2076	no strict 'refs';	2776	no strict 'refs';
…		…
2147	=back	2847	=back
2148		2848
2149	=cut	2849	=cut
2150		2850
2151	#############################################################################	2851	#############################################################################
		2852	# the server's init and main functions
2152		2853
2153	=head2 EXTENSION DATABASE SUPPORT	2854	sub load_facedata($) {
		2855	my ($path) = @_;
2154		2856
2155	Crossfire maintains a very simple database for extension use. It can	2857	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	2858	# for this (global event?)
2157	excludes objects.	2859	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		2860
2159	The parameter C<$family> should best start with the name of the extension	2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		2862
2162	=over 4	2863	warn "loading facedata from $path\n";
2163		2864
2164	=item $hashref = cf::db_get $family	2865	my $facedata;
		2866	0 < aio_load $path, $facedata
		2867	or die "$path: $!";
2165		2868
2166	Return a hashref for use by the extension C<$family>, which can be	2869	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		2870
2170	=item $value = cf::db_get $family => $key	2871	$facedata->{version} == 2
		2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		2873
2172	Returns a single value from the database	2874	# patch in the exptable
2173		2875	$facedata->{resource}{"res/exp_table"} = {
2174	=item cf::db_put $family => $hashref	2876	type => FT_RSRC,
2175		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	2878	};
		2879	cf::cede_to_tick;
2225		2880
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	2881	{
		2882	my $faces = $facedata->{faceinfo};
2230		2883
2231	sub db_get($;$) {	2884	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}	2886	cf::face::set_visibility $idx, $info->{visibility};
2234	: ($DB->{$_[0]} ||= { })	2887	cf::face::set_magicmap $idx, $info->{magicmap};
2235	}	2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236		2890
2237	sub db_put($$;$) {	2891	cf::cede_to_tick;
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2892	}
2251	);
2252	}
2253		2893
2254	#############################################################################	2894	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	2895	next unless $info->{smooth};
		2896	my $idx = cf::face::find $face
		2897	or next;
		2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
		2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2901	} else {
		2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2903	}
2256		2904
2257	sub cfg_load {	2905	cf::cede_to_tick;
		2906	}
		2907	}
		2908
		2909	{
		2910	my $anims = $facedata->{animinfo};
		2911
		2912	while (my ($anim, $info) = each %$anims) {
		2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	cf::anim::invalidate_all; # d'oh
		2918	}
		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
		2969	1
		2970	}
		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
		2986	or die "unable to load regions file\n";
		2987
		2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
		2994	sub reload_facedata {
		2995	load_facedata "$DATADIR/facedata"
		2996	or die "unable to load facedata\n";
		2997	}
		2998
		2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
		3007	}
		3008
		3009	sub reload_treasures {
		3010	load_resource_file "$DATADIR/treasures"
		3011	or die "unable to load treasurelists\n";
		3012	}
		3013
		3014	sub reload_resources {
		3015	warn "reloading resource files...\n";
		3016
		3017	reload_regions;
		3018	reload_facedata;
		3019	#reload_archetypes;#d#
		3020	reload_archetypes;
		3021	reload_treasures;
		3022
		3023	warn "finished reloading resource files\n";
		3024	}
		3025
		3026	sub init {
		3027	reload_resources;
		3028	}
		3029
		3030	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3032	or return;
2260		3033
2261	local $/;	3034	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
2263		3036
…		…
2277		3050
2278	sub main {	3051	sub main {
2279	# we must not ever block the main coroutine	3052	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3053	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3055	(async {
2282	async { Event::one_event };	3056	Event::one_event;
		3057	})->prio (Coro::PRIO_MAX);
2283	};	3058	};
2284		3059
2285	cfg_load;	3060	reload_config;
2286	db_load;	3061	db_init;
2287	load_extensions;	3062	load_extensions;
		3063
		3064	$TICK_WATCHER->start;
2288	Event::loop;	3065	Event::loop;
2289	}	3066	}
2290		3067
2291	#############################################################################	3068	#############################################################################
2292	# initialisation and cleanup	3069	# initialisation and cleanup
2293		3070
2294	# install some emergency cleanup handlers	3071	# install some emergency cleanup handlers
2295	BEGIN {	3072	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	3073	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3074	Event->signal (
		3075	reentrant => 0,
2298	data => WF_AUTOCANCEL,	3076	data => WF_AUTOCANCEL,
2299	signal => $signal,	3077	signal => $signal,
		3078	prio => 0,
2300	cb => sub {	3079	cb => sub {
2301	cf::cleanup "SIG$signal";	3080	cf::cleanup "SIG$signal";
2302	},	3081	},
2303	);	3082	);
2304	}	3083	}
2305	}	3084	}
2306		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
2307	sub emergency_save() {	3124	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3125	my $freeze_guard = cf::freeze_mainloop;
2309		3126
2310	warn "enter emergency perl save\n";	3127	warn "enter emergency perl save\n";
2311		3128
2312	cf::sync_job {	3129	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	3130	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3131	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3132	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3133	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	3134	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3135	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3136	$pl->valid or next;
2320	$pl->save;	3137	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	3143	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3144	$map->valid or next;
2328	$map->save;	3145	$map->save;
2329	}	3146	}
2330	warn "end emergency map save\n";	3147	warn "end emergency map save\n";
		3148
		3149	warn "begin emergency database checkpoint\n";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151	warn "end emergency database checkpoint\n";
2331	};	3152	};
2332		3153
2333	warn "leave emergency perl save\n";	3154	warn "leave emergency perl save\n";
2334	}	3155	}
2335		3156
		3157	sub post_cleanup {
		3158	my ($make_core) = @_;
		3159
		3160	warn Carp::longmess "post_cleanup backtrace"
		3161	if $make_core;
		3162	}
		3163
2336	sub reload() {	3164	sub do_reload_perl() {
2337	# can/must only be called in main	3165	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3166	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3167	warn "can only reload from main coroutine";
2340	return;	3168	return;
2341	}	3169	}
2342		3170
2343	warn "reloading...";	3171	warn "reloading...";
2344		3172
2345	my $guard = freeze_mainloop;	3173	warn "entering sync_job";
		3174
		3175	cf::sync_job {
		3176	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	3177	cf::emergency_save;
		3178	cf::write_runtime; # external watchdog should not bark
2347		3179
2348	eval {	3180	warn "syncing database to disk";
		3181	BDB::db_env_txn_checkpoint $DB_ENV;
		3182
2349	# if anything goes wrong in here, we should simply crash as we already saved	3183	# if anything goes wrong in here, we should simply crash as we already saved
2350		3184
2351	# cancel all watchers	3185	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	3186	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3187	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	3188	}
2355		3189
		3190	warn "flushing outstanding aio requests";
		3191	for (;;) {
		3192	BDB::flush;
		3193	IO::AIO::flush;
		3194	Coro::cede;
		3195	last unless IO::AIO::nreqs || BDB::nreqs;
		3196	warn "iterate...";
		3197	}
		3198
		3199	++$RELOAD;
		3200
2356	# cancel all extension coros	3201	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	3202	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	3203	%EXT_CORO = ();
2359		3204
2360	# unload all extensions	3205	warn "removing commands";
2361	for (@exts) {	3206	%COMMAND = ();
		3207
		3208	warn "removing ext/exti commands";
		3209	%EXTCMD = ();
		3210	%EXTICMD = ();
		3211
		3212	warn "unloading/nuking all extensions";
		3213	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	3214	warn "... unloading $pkg";
2363	unload_extension $_;	3215
		3216	if (my $cb = $pkg->can ("unload")) {
		3217	eval {
		3218	$cb->($pkg);
		3219	1
		3220	} or warn "$pkg unloaded, but with errors: $@";
2364	}	3221	}
2365		3222
		3223	warn "... nuking $pkg";
		3224	Symbol::delete_package $pkg;
		3225	}
		3226
2366	# unload all modules loaded from $LIBDIR	3227	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	3228	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		3230
2370	warn "removing <$k>";	3231	warn "... unloading $k";
2371	delete $INC{$k};	3232	delete $INC{$k};
2372		3233
2373	$k =~ s/\.pm$//;	3234	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	3235	$k =~ s/\//::/g;
2375		3236
…		…
2378	}	3239	}
2379		3240
2380	Symbol::delete_package $k;	3241	Symbol::delete_package $k;
2381	}	3242	}
2382		3243
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3244	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3247
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	3248	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
2396		3251
2397	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3253	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
2400		3255
2401	# reload cf.pm	3256	warn "unload completed, starting to reload now";
		3257
2402	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2403	require cf;	3259	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3261
2406	# load config and database again	3262	warn "loading config and database again";
2407	cf::cfg_load;	3263	cf::reload_config;
2408	cf::db_load;
2409		3264
2410	# load extensions
2411	warn "load extensions";	3265	warn "loading extensions";
2412	cf::load_extensions;	3266	cf::load_extensions;
2413		3267
2414	# reattach attachments to objects	3268	warn "reattaching attachments to objects/players";
2415	warn "reattach";	3269	_global_reattach; # objects, sockets
2416	_global_reattach;	3270	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3271	reattach $_ for values %MAP;
2418	};	3272	warn "reattaching attachments to players";
		3273	reattach $_ for values %PLAYER;
2419		3274
2420	if ($@) {	3275	warn "leaving sync_job";
		3276
		3277	1
		3278	} or do {
2421	warn $@;	3279	warn $@;
2422	warn "error while reloading, exiting.";	3280	warn "error while reloading, exiting.";
2423	exit 1;	3281	exit 1;
2424	}	3282	};
2425		3283
2426	warn "reloaded successfully";	3284	warn "reloaded";
2427	};	3285	};
2428		3286
2429	#############################################################################	3287	our $RELOAD_WATCHER; # used only during reload
2430		3288
2431	unless ($LINK_MAP) {	3289	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	3290	# doing reload synchronously and two reloads happen back-to-back,
		3291	# coro crashes during coro_state_free->destroy here.
2433		3292
2434	$LINK_MAP->width (41);	3293	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	3294	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	3295	after => 0,
		3296	data => WF_AUTOCANCEL,
2444	cb => sub {	3297	cb => sub {
2445	$_[0]->w->cancel;	3298	do_reload_perl;
2446		3299	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	3300	},
2465		3301	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3302	}
2471
2472	register "<global>", __PACKAGE__;
2473		3303
2474	register_command "reload" => sub {	3304	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3305	my ($who, $arg) = @_;
2476		3306
2477	if ($who->flag (FLAG_WIZ)) {	3307	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3308	$who->message ("reloading server.");
		3309	async { reload_perl };
2481	}	3310	}
2482	};	3311	};
2483		3312
2484	unshift @INC, $LIBDIR;	3313	unshift @INC, $LIBDIR;
2485		3314
		3315	my $bug_warning = 0;
		3316
		3317	our @WAIT_FOR_TICK;
		3318	our @WAIT_FOR_TICK_BEGIN;
		3319
		3320	sub wait_for_tick {
		3321	return unless $TICK_WATCHER->is_active;
		3322	return if $Coro::current == $Coro::main;
		3323
		3324	my $signal = new Coro::Signal;
		3325	push @WAIT_FOR_TICK, $signal;
		3326	$signal->wait;
		3327	}
		3328
		3329	sub wait_for_tick_begin {
		3330	return unless $TICK_WATCHER->is_active;
		3331	return if $Coro::current == $Coro::main;
		3332
		3333	my $signal = new Coro::Signal;
		3334	push @WAIT_FOR_TICK_BEGIN, $signal;
		3335	$signal->wait;
		3336	}
		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
2486	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	3341	reentrant => 0,
		3342	parked => 1,
2488	prio => 0,	3343	prio => 0,
2489	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	3345	data => WF_AUTOCANCEL,
2491	cb => sub {	3346	cb => sub {
		3347	if ($Coro::current != $Coro::main) {
		3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3349	unless ++$bug_warning > 10;
		3350	return;
		3351	}
		3352
		3353	$NOW = $tick_start = Event::time;
		3354
2492	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
		3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3378	};
		3379
2493	$RUNTIME += $TICK;	3380	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2495		3382
2496	$WAIT_FOR_TICK->broadcast;	3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3385	Coro::async_pool {
		3386	write_runtime
		3387	or warn "ERROR: unable to write runtime file: $!";
		3388	};
		3389	}
		3390
		3391	# my $AFTER = Event::time;
		3392	# warn $AFTER - $NOW;#d#
		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
2498		3402
2499	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		3405
2502	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
		3408
		3409	$LOAD = ($NOW - $tick_start) / $TICK;
		3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3411
		3412	_post_tick;
		3413
		3414
2504	},	3415	},
2505	);	3416	);
2506		3417
		3418	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	3419	BDB::max_poll_time $TICK * 0.1;
2508		3420	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	3421	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	3422	fd => BDB::poll_fileno,
2511	poll => 'r',	3423	poll => 'r',
2512	prio => 5,	3424	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	3425	data => WF_AUTOCANCEL,
2519	after => 0,	3426	cb => \&BDB::poll_cb,
2520	interval => 10,	3427	);
2521	cb => sub {	3428	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	3429
2523	write_runtime	3430	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	3431	my $status;
		3432	my $current = $Coro::current;
		3433	(
		3434	sub {
		3435	$status = $!;
		3436	$current->ready; undef $current;
		3437	},
		3438	sub {
		3439	Coro::schedule while defined $current;
		3440	$! = $status;
		3441	},
		3442	)
		3443	};
		3444
		3445	unless ($DB_ENV) {
		3446	$DB_ENV = BDB::db_env_create;
		3447
		3448	cf::sync_job {
		3449	eval {
		3450	BDB::db_env_open
		3451	$DB_ENV,
		3452	$BDBDIR,
		3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3455	0666;
		3456
		3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3458
		3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3460	$DB_ENV->set_lk_detect;
		3461	};
		3462
		3463	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	3464	};
2526	},	3465	}
2527	);	3466	}
		3467
		3468	{
		3469	IO::AIO::min_parallel 8;
		3470
		3471	undef $Coro::AIO::WATCHER;
		3472	IO::AIO::max_poll_time $TICK * 0.1;
		3473	$AIO_POLL_WATCHER = Event->io (
		3474	reentrant => 0,
		3475	data => WF_AUTOCANCEL,
		3476	fd => IO::AIO::poll_fileno,
		3477	poll => 'r',
		3478	prio => 6,
		3479	cb => \&IO::AIO::poll_cb,
		3480	);
		3481	}
		3482
		3483	my $_log_backtrace;
		3484
		3485	sub _log_backtrace {
		3486	my ($msg, @addr) = @_;
		3487
		3488	$msg =~ s/\n//;
		3489
		3490	# limit the # of concurrent backtraces
		3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
		3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
		3518	}
		3519	}
		3520
		3521	# load additional modules
		3522	use cf::pod;
2528		3523
2529	END { cf::emergency_save }	3524	END { cf::emergency_save }
2530		3525
2531	1	3526	1
2532		3527

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