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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	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 = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
87		117
88	sub cf::map::normalise;	118	sub cf::map::normalise;
89		119
…		…
100	=item $cf::RUNTIME	130	=item $cf::RUNTIME
101		131
102	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
103	every server tick.	133	every server tick.
104		134
105	=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
106		138
107	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		143
110	=item $cf::NOW	144	=item $cf::NOW
111		145
112	The time of the last (current) server tick.	146	The time of the last (current) server tick.
113		147
114	=item $cf::TICK	148	=item $cf::TICK
115		149
116	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.
117		161
118	=item %cf::CFG	162	=item %cf::CFG
119		163
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	165	from wherever your confdir points to.
122		166
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		168
125	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
126	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
127	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.
128	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.
129		178
130	=back	179	=back
131		180
132	=cut	181	=cut
133		182
134	BEGIN {	183	BEGIN {
135	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	185	my $msg = join "", @_;
137	utf8::encode $msg;
138		186
139	$msg .= "\n"	187	$msg .= "\n"
140	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
141		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		204
153	# 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
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$Event::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$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;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	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
233	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.
234		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
238		290
…		…
258	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
260	}	312	}
261	}	313	}
262		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
263	sub freeze_mainloop {	321	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
265		323
266	my $guard = Coro::guard {	324	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	326	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
272	$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;
273	}	385	}
274		386
275	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
276		388
277	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		394
283	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
284		396
285	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
286		398
287	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)
288	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
289	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.
290		403
291	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
292	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
293	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
294	fast or be very important.	407	fast or be very important.
…		…
297		410
298	sub sync_job(&) {	411	sub sync_job(&) {
299	my ($job) = @_;	412	my ($job) = @_;
300		413
301	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
302	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
304		419
305	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
317		432
318	while ($busy) {	433	while ($busy) {
319	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
320	}	435	}
321		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
322	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
323	} else {	445	} else {
324	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
325		447
326	$job->()	448	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
346		468
347	$coro	469	$coro
348	}	470	}
349		471
350	sub write_runtime {	472	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		473
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
354	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.
355		478
356	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		480
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
361	and return;	482	my ($cb, @args) = @_;
362		483
363	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
364	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
365		487
366	close $fh	488	my @res = Coro::Util::fork_eval {
367	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
368		492
369	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
370	and return;	494	}
371		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	};
372	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 });
373	}	621	}
374		622
375	=back	623	=back
376		624
377	=cut	625	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
386		634
387	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>
388	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
389	crossfire+).	637	Crossfire TRT).
390		638
391	=over 4	639	=over 4
392		640
393	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
394		642
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
558		806
559	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		811
564	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	813	my $pkg = shift @arg;
566		814
567	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
597	}	845	}
598		846
599	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
600	} else {	848	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	850	}
603		851
604	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
605	}	853	}
606		854
…		…
608	if (ref $_[0]) {	856	if (ref $_[0]) {
609	_object_attach @_;	857	_object_attach @_;
610	} else {	858	} else {
611	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
612	}	860	}
		861	_recalc_want;
613	};	862	};
614		863
615	# all those should be optimised	864	# all those should be optimised
616	sub cf::attachable::detach {	865	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
621	reattach ($obj);	870	reattach ($obj);
622	} else {	871	} else {
623	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
624	}	873	}
		874	_recalc_want;
625	};	875	};
626		876
627	sub cf::attachable::attached {	877	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
629		879
…		…
644	";	894	";
645	die if $@;	895	die if $@;
646	}	896	}
647		897
648	our $override;	898	our $override;
649	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?
650		900
651	sub override {	901	sub override {
652	$override = 1;	902	$override = 1;
653	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
654	}	904	}
655		905
656	sub do_invoke {	906	sub do_invoke {
657	my $event = shift;	907	my $event = shift;
658	my $callbacks = shift;	908	my $callbacks = shift;
659		909
660	@invoke_results = ();	910	@INVOKE_RESULTS = ();
661		911
662	local $override;	912	local $override;
663		913
664	for (@$callbacks) {	914	for (@$callbacks) {
665	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
682		932
683	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
684		934
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		938
689	=back	939	=back
690		940
691	=cut	941	=cut
692		942
693	#############################################################################	943	#############################################################################
694	# 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	}
695		956
696	sub reattach {	957	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	959	my ($obj) = @_;
699		960
…		…
752	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
753		1014
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1019	close $fh;
759		1020
760	if (@$objs) {	1021	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1027	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
768	}	1029	}
769	} else {	1030	} else {
770	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
802	or return;	1063	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1065	}
805		1066
806	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	1069	return ($data, $av);
809	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
810		1077
811	#############################################################################	1078	#############################################################################
812	# command handling &c	1079	# command handling &c
813		1080
814	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1095	}
829		1096
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1098
832	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.
833		1104
834	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
835	called.	1106	called.
836		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
837	=cut	1119	=cut
838		1120
839	sub register_extcmd {	1121	sub register_extcmd {
840	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
841		1123
842	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
843	}	1131	}
844		1132
845	cf::player->attach (	1133	cf::player->attach (
846	on_command => sub {	1134	on_command => sub {
847	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1144	cf::override;
857	},	1145	},
858	on_extcmd => sub {	1146	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
860		1148
861	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1150
863	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
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
869	} else {	1166	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1168	}
872		1169
873	cf::override;	1170	cf::override;
874	},	1171	},
875	);	1172	);
876		1173
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
912	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1179	next unless -r $path;
914	eval {	1180
915	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;
916	1	1238	}
917	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
918	}	1244	};
919	}	1245	}
920		1246
921	#############################################################################	1247	#############################################################################
922		1248
		1249	=back
		1250
923	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
924		1252
925	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
926		1254
927	=cut	1255	=cut
…		…
939	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
940		1268
941	=cut	1269	=cut
942		1270
943	sub playerdir($) {	1271	sub playerdir($) {
944	cf::localdir	1272	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1274	}
950		1275
951	sub path($) {	1276	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1278
954	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
955	}	1280	}
956		1281
957	sub find_active($) {	1282	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1297	my $login = $_[0];
973		1298
974	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
975		1300
976	$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
977	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
978	or return;	1310	or return;
979	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
980	}	1312	}
981	}	1313	}
…		…
993		1325
994	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
996		1328
997	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
998	Coro::cede;	1330	cf::cede_to_tick;
999	}	1331	}
1000		1332
1001	sub new($) {	1333	sub new($) {
1002	my ($login) = @_;	1334	my ($login) = @_;
1003		1335
…		…
1009	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1010		1342
1011	$self	1343	$self
1012	}	1344	}
1013		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
1014	=item $pl->quit_character	1356	=item $pl->quit_character
1015		1357
1016	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
1017	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1018		1360
1019	=cut	1361	=cut
1020		1362
1021	sub quit_character {	1363	sub quit_character {
1022	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1023		1367
1024	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1025	$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
1026		1370
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1402	}
1039		1403
1040	=item cf::player::list_logins	1404	=item cf::player::list_logins
1041		1405
1042	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
1043	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1044		1408
1045	=cut	1409	=cut
1046		1410
1047	sub list_logins {	1411	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1413	or return [];
1050		1414
1051	my @logins;	1415	my @logins;
1052		1416
1053	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1070	=cut	1434	=cut
1071		1435
1072	sub maps($) {	1436	sub maps($) {
1073	my ($pl) = @_;	1437	my ($pl) = @_;
1074		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1075	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1076	or return;	1442	or return;
1077		1443
1078	my @paths;	1444	my @paths;
1079		1445
1080	for (@$files) {	1446	for (@$files) {
1081	utf8::decode $_;	1447	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1084		1450
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1452	}
1087		1453
1088	\@paths	1454	\@paths
1089	}	1455	}
1090		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1092		1509
1093	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1094		1511
1095	=cut	1512	=cut
1096		1513
1097	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1099		1516
1100	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1518	}
1104		1519
1105	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1106		1560
1107	=back	1561	=back
1108
1109		1562
1110	=head3 cf::map	1563	=head3 cf::map
1111		1564
1112	=over 4	1565	=over 4
1113		1566
…		…
1168	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1169		1622
1170	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1171	local $self->{path};	1624	local $self->{path};
1172	local $self->{load_path};	1625	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1626
1176	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1177	}	1628	}
1178		1629
1179	sub normalise {	1630	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1227	return $self;	1678	return $self;
1228	}	1679	}
1229	}	1680	}
1230		1681
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1683	()
1233	}	1684	}
1234		1685
1235	sub init {	1686	sub init {
1236	my ($self) = @_;	1687	my ($self) = @_;
…		…
1251		1702
1252	# the original (read-only) location	1703	# the original (read-only) location
1253	sub load_path {	1704	sub load_path {
1254	my ($self) = @_;	1705	my ($self) = @_;
1255		1706
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1257	}	1708	}
1258		1709
1259	# the temporary/swap location	1710	# the temporary/swap location
1260	sub save_path {	1711	sub save_path {
1261	my ($self) = @_;	1712	my ($self) = @_;
1262		1713
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1265	}	1716	}
1266		1717
1267	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1268	sub uniq_path {	1719	sub uniq_path {
1269	my ($self) = @_;	1720	my ($self) = @_;
1270		1721
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1273	}	1724	}
1274		1725
1275	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1276	# all maps in C++...	1727	# all maps in C++...
1277	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1279		1730
1280	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1282	}	1733	}
1283		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
1284	sub unlink_save {	1743	sub unlink_save {
1285	my ($self) = @_;	1744	my ($self) = @_;
1286		1745
1287	utf8::encode (my $save = $self->save_path);	1746	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1750
1292	sub load_header_from($) {	1751	sub load_header_from($) {
1293	my ($self, $path) = @_;	1752	my ($self, $path) = @_;
1294		1753
1295	utf8::encode $path;	1754	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
1297	or return;	1756	# or return;
1298		1757
1299	$self->_load_header ($path)	1758	$self->_load_header ($path)
1300	or return;	1759	or return;
1301		1760
1302	$self->{load_path} = $path;	1761	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1803	$self->load_header_orig
1345	or return;	1804	or return;
1346	$self->prepare_orig;	1805	$self->prepare_orig;
1347	}	1806	}
1348		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
		1813
1349	1	1814	1
1350	}	1815	}
1351		1816
1352	sub find;	1817	sub find;
1353	sub find {	1818	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1366		1831
1367	$map->load_header	1832	$map->load_header
1368	or return;	1833	or return;
1369		1834
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1838	$map->reset;
1374	undef $guard;	1839	undef $guard;
1375	return find $path;	1840	return find $path;
…		…
1386	my ($self) = @_;	1851	my ($self) = @_;
1387		1852
1388	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1389		1854
1390	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1391	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1392		1860
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1862
1395	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1396		1864
1397	$self->alloc;	1865	$self->alloc;
1398		1866
1399	$self->pre_load;	1867	$self->pre_load;
		1868	cf::cede_to_tick;
1400		1869
1401	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1402	or return;	1871	or return;
1403		1872
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	1874	if delete $self->{load_original};
1406		1875
1407	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	1877	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;	1879	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1412	}	1881	}
1413	}	1882	}
1414		1883
1415	Coro::cede;	1884	cf::cede_to_tick;
1416
1417	# now do the right thing for maps	1885	# now do the right thing for maps
1418	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1888	unless $self->difficulty;
1428	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1429	$self->activate;	1898	$self->activate;
		1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
		1904	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1905	}
1431		1906
1432	$self->post_load;	1907	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1908	}
1436		1909
1437	sub customise_for {	1910	sub customise_for {
1438	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1439		1912
1440	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1914	if $self->per_player;
1442		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1443	$self	1919	$self
1444	}	1920	}
1445		1921
1446	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	1923	sub load_neighbours {
1448	my ($map) = @_;	1924	my ($map) = @_;
1449		1925
1450	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1451		1927
1452	for (0 .. 3) {	1928	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1454	or next;	1930	or next;
1455	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1456	or next;	1932	or next;
1457	$neigh->load;	1933	$neigh->load;
1458		1934
		1935	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	1938	}
1462		1939
1463	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1465	or next;	1943	or next;
1466	$neigh->load;	1944	$neigh->load;
1467	}	1945	}
1468	}	1946	}
1469		1947
…		…
1474	}	1952	}
1475		1953
1476	sub do_load_sync {	1954	sub do_load_sync {
1477	my ($map) = @_;	1955	my ($map) = @_;
1478		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1479	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1480	}	1961	}
1481		1962
1482	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1484		1965
1485	sub find_async {	1966	sub find_async {
1486	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1487		1968
1488	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1489		1970
1490	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	1973	}
1493		1974
1494	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1495	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1496	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	1980	if (my $map = find $k) {
1499	or next;
1500	$map->load;	1981	$map->load if $v;
		1982	}
1501		1983
1502	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1503	}	1985	}
1504	}	1986	}
1505	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1506	};	1988	};
1507	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1510	}	1992	}
1511		1993
1512	sub save {	1994	sub save {
1513	my ($self) = @_;	1995	my ($self) = @_;
1514		1996
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		1998
1517	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1518		2000
1519	return unless $self->dirty;	2001	return unless $self->dirty;
1520		2002
…		…
1543	my ($self) = @_;	2025	my ($self) = @_;
1544		2026
1545	# save first because save cedes	2027	# save first because save cedes
1546	$self->save;	2028	$self->save;
1547		2029
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2031
1550	return if $self->players;	2032	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2034	return if $self->{deny_save};
1553		2035
…		…
1557		2039
1558	sub reset_at {	2040	sub reset_at {
1559	my ($self) = @_;	2041	my ($self) = @_;
1560		2042
1561	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1564		2045
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2048
…		…
1578	my ($self) = @_;	2059	my ($self) = @_;
1579		2060
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2062
1582	return if $self->players;	2063	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2064
1585	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1586		2076
1587	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
1588		2078
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	2079	$self->clear;
1591		2080
1592	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1593		2082
1594	$self->unlink_save;	2083	$self->unlink_save;
…		…
1598	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1599		2088
1600	sub nuke {	2089	sub nuke {
1601	my ($self) = @_;	2090	my ($self) = @_;
1602		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1603	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1604		2096
1605	$self->unlink_save;	2097	$self->unlink_save;
1606		2098
1607	bless $self, "cf::map";	2099	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2104
1613	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1614		2107
1615	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1616	}	2145	}
1617		2146
1618	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1619		2148
1620	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2150	instantiated unique items. May block.
1622		2151
1623	=cut	2152	=cut
1624		2153
1625	sub unique_maps() {	2154	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1627	or return;	2156	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2157	utf8::decode $_;
1633	next if /\.pst$/;	2158	/\.map$/
1634	next unless /^$PATH_SEP/o;	2159	? normalise $_
1635		2160	: ()
1636	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2162	]
1638
1639	\@paths
1640	}	2163	}
1641		2164
1642	package cf;	2165	package cf;
1643		2166
1644	=back	2167	=back
…		…
1690		2213
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2215
1693	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1695	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1698	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1699	}	2241	}
1700		2242
1701	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1702		2244
1703	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1751		2293
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2295
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1756		2298
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2300	}
1759		2301
1760	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1762		2306
1763	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1764		2308
1765	unless ($map) {	2309	unless ($map) {
1766	# restore original map position	2310	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1783		2327
1784	$map->load;	2328	$map->load;
1785	$map->load_diag;	2329	$map->load_neighbours;
1786		2330
1787	return unless $self->contr->active;	2331	return unless $self->contr->active;
1788	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1790	}	2336	}
1791		2337
1792	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2339
1796	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1800	};	2344	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2345
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1827		2349
1828	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2355
1831	$self->enter_link;	2356	$self->enter_link;
1832		2357
1833	(async {	2358	(async {
1834	my $map = eval {	2359	my $map = eval {
1835	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
		2364	$map = $check->($map) if $check && $map;
		2365	} else {
		2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
		2368
1837	$map	2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2375	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1842	})->prio (1);	2383	})->prio (1);
1843	}	2384	}
1844		2385
1845	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1846		2387
…		…
1885		2426
1886	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1887		2428
1888	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2431	my $meta = "$RANDOMDIR/$md5.meta";
1891		2432
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2435	undef $fh;
1895	aio_rename "$meta~", $meta;	2436	aio_rename "$meta~", $meta;
…		…
1904		2445
1905	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1906		2447
1907	if ($exit->slaying eq "/!") {	2448	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2452	cf::sync_job { prepare_random_map $exit };
1910	}	2453	}
1911		2454
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
1915		2458
1916	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1917		2464
1918	(async {	2465	(async {
1919	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2467	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
1922		2469
1923	1;	2470	1;
1924	}) {	2471	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2476
1930	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2478	$self->leave_link;
1932	}	2479	}
1933	})->prio (1);	2480	})->prio (1);
…		…
1946		2493
1947	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1949		2496
1950	utf8::encode $text;	2497	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2499	}
1953		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
		2582	=item $client->ext_msg ($type, @msg)
		2583
		2584	Sends an ext event to the client.
		2585
		2586	=cut
		2587
		2588	sub cf::client::ext_msg($$@) {
		2589	my ($self, $type, @msg) = @_;
		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
		2594	push @msg, msgtype => "event_$type";
		2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
		2615	}
1954		2616
1955	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
1956		2618
1957	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2622
1961	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2624	become reliable at some point in the future.
1963		2625
1964	=cut	2626	=cut
1965		2627
1966	sub cf::client::query {	2628	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2637	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2639
1978	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
1980	}	2644	}
1981		2645
1982	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
1983	on_reply => sub {	2652	on_reply => sub {
1984	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
1985		2654
1986	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
1987	# get handled first	2656	# get handled first
1988	my $queue = delete $ns->{query_queue}	2657	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2658	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2659
1991	(shift @$queue)->[1]->($msg);	2660	(shift @$queue)->[1]->($msg);
		2661	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2662
1993	push @{ $ns->{query_queue} }, @$queue;	2663	push @{ $ns->{query_queue} }, @$queue;
1994		2664
1995	if (@{ $ns->{query_queue} } == @$queue) {	2665	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2666	if (@$queue) {
…		…
1998	} else {	2668	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2670	}
2001	}	2671	}
2002	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
2003	);	2699	);
2004		2700
2005	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
2006		2702
2007	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2050		2746
2051	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2052		2748
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2054		2754
2055	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2056		2756
2057	=pod	2757	=pod
2058		2758
2059	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2060		2760
2061	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2062	cf::object::player player	2765	cf::object::player
2063	cf::player peaceful	2766	player
2064	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2065		2773
2066	=cut	2774	=cut
2067		2775
2068	for (	2776	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2070	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2073	) {	2783	) {
2074	no strict 'refs';	2784	no strict 'refs';
…		…
2145	=back	2855	=back
2146		2856
2147	=cut	2857	=cut
2148		2858
2149	#############################################################################	2859	#############################################################################
		2860	# the server's init and main functions
2150		2861
2151	=head2 EXTENSION DATABASE SUPPORT	2862	sub load_facedata($) {
		2863	my ($path) = @_;
2152		2864
2153	Crossfire maintains a very simple database for extension use. It can	2865	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	2866	# for this (global event?)
2155	excludes objects.	2867	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		2868
2157	The parameter C<$family> should best start with the name of the extension	2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		2870
2160	=over 4	2871	warn "loading facedata from $path\n";
2161		2872
2162	=item $hashref = cf::db_get $family	2873	my $facedata;
		2874	0 < aio_load $path, $facedata
		2875	or die "$path: $!";
2163		2876
2164	Return a hashref for use by the extension C<$family>, which can be	2877	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		2878
2168	=item $value = cf::db_get $family => $key	2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		2881
2170	Returns a single value from the database	2882	# patch in the exptable
2171		2883	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	2884	type => FT_RSRC,
2173		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2886	};
		2887	cf::cede_to_tick;
2200		2888
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	2889	{
		2890	my $faces = $facedata->{faceinfo};
2212		2891
2213	my $dirty;	2892	while (my ($face, $info) = each %$faces) {
		2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2894	cf::face::set_visibility $idx, $info->{visibility};
		2895	cf::face::set_magicmap $idx, $info->{magicmap};
		2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		2898
2215	sub db_sync() {	2899	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2900	}
2254	);
2255	}
2256		2901
2257	#############################################################################	2902	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	2903	next unless $info->{smooth};
		2904	my $idx = cf::face::find $face
		2905	or next;
		2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
		2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2909	} else {
		2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2911	}
2259		2912
2260	sub cfg_load {	2913	cf::cede_to_tick;
		2914	}
		2915	}
		2916
		2917	{
		2918	my $anims = $facedata->{animinfo};
		2919
		2920	while (my ($anim, $info) = each %$anims) {
		2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2922	cf::cede_to_tick;
		2923	}
		2924
		2925	cf::anim::invalidate_all; # d'oh
		2926	}
		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
		2977	1
		2978	}
		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
		3022	sub reload_resources {
		3023	warn "reloading resource files...\n";
		3024
		3025	reload_regions;
		3026	reload_facedata;
		3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
		3032	}
		3033
		3034	sub init {
		3035	reload_resources;
		3036	}
		3037
		3038	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3040	or return;
2263		3041
2264	local $/;	3042	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2266		3044
…		…
2285	(async {	3063	(async {
2286	Event::one_event;	3064	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3065	})->prio (Coro::PRIO_MAX);
2288	};	3066	};
2289		3067
2290	cfg_load;	3068	reload_config;
2291	db_load;	3069	db_init;
2292	load_extensions;	3070	load_extensions;
2293		3071
2294	$TICK_WATCHER->start;	3072	$TICK_WATCHER->start;
2295	Event::loop;	3073	Event::loop;
2296	}	3074	}
…		…
2311	},	3089	},
2312	);	3090	);
2313	}	3091	}
2314	}	3092	}
2315		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
2316	sub emergency_save() {	3132	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2318		3134
2319	warn "enter emergency perl save\n";	3135	warn "enter emergency perl save\n";
2320		3136
…		…
2335	my $map = $cf::MAP{$path} or next;	3151	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3152	$map->valid or next;
2337	$map->save;	3153	$map->save;
2338	}	3154	}
2339	warn "end emergency map save\n";	3155	warn "end emergency map save\n";
		3156
		3157	warn "begin emergency database checkpoint\n";
		3158	BDB::db_env_txn_checkpoint $DB_ENV;
		3159	warn "end emergency database checkpoint\n";
2340	};	3160	};
2341		3161
2342	warn "leave emergency perl save\n";	3162	warn "leave emergency perl save\n";
2343	}	3163	}
2344		3164
		3165	sub post_cleanup {
		3166	my ($make_core) = @_;
		3167
		3168	warn Carp::longmess "post_cleanup backtrace"
		3169	if $make_core;
		3170	}
		3171
2345	sub reload() {	3172	sub do_reload_perl() {
2346	# can/must only be called in main	3173	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3175	warn "can only reload from main coroutine";
2349	return;	3176	return;
2350	}	3177	}
2351		3178
2352	warn "reloading...";	3179	warn "reloading...";
2353		3180
2354	warn "cancelling server ticker";	3181	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3182
		3183	cf::sync_job {
		3184	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3185	cf::emergency_save;
		3186	cf::write_runtime; # external watchdog should not bark
2358		3187
2359	eval {	3188	warn "syncing database to disk";
		3189	BDB::db_env_txn_checkpoint $DB_ENV;
		3190
2360	# if anything goes wrong in here, we should simply crash as we already saved	3191	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3192
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3193	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3194	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3195	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3196	}
2369		3197
2370	warn "flushing outstanding aio requests";	3198	warn "flushing outstanding aio requests";
2371	for (;;) {	3199	for (;;) {
		3200	BDB::flush;
2372	IO::AIO::flush;	3201	IO::AIO::flush;
2373	Coro::cede;	3202	Coro::cede;
2374	last unless IO::AIO::nreqs;	3203	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3204	warn "iterate...";
2376	}	3205	}
		3206
		3207	++$RELOAD;
2377		3208
2378	warn "cancelling all extension coros";	3209	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3210	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3211	%EXT_CORO = ();
2381		3212
2382	warn "removing commands";	3213	warn "removing commands";
2383	%COMMAND = ();	3214	%COMMAND = ();
2384		3215
2385	warn "removing ext commands";	3216	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2387		3219
2388	warn "unloading/nuking all extensions";	3220	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2391		3223
…		…
2421	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3255
2424	warn "unloading cf.pm \"a bit\"";	3256	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2426		3259
2427	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3261	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2430		3263
…		…
2433	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2434	require cf;	3267	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3269
2437	warn "loading config and database again";	3270	warn "loading config and database again";
2438	cf::cfg_load;	3271	cf::reload_config;
2439	cf::db_load;
2440		3272
2441	warn "loading extensions";	3273	warn "loading extensions";
2442	cf::load_extensions;	3274	cf::load_extensions;
2443		3275
2444	warn "reattaching attachments to objects/players";	3276	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3277	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3278	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
		3280	warn "reattaching attachments to players";
		3281	reattach $_ for values %PLAYER;
2448		3282
2449	warn "restarting server ticker";	3283	warn "leaving sync_job";
2450		3284
2451	$TICK_WATCHER->start;	3285	1
2452	};	3286	} or do {
2453
2454	if ($@) {
2455	warn $@;	3287	warn $@;
2456	warn "error while reloading, exiting.";	3288	warn "error while reloading, exiting.";
2457	exit 1;	3289	exit 1;
2458	}	3290	};
2459		3291
2460	warn "reloaded";	3292	warn "reloaded";
2461	};	3293	};
2462		3294
2463	our $RELOAD_WATCHER; # used only during reload	3295	our $RELOAD_WATCHER; # used only during reload
2464		3296
		3297	sub reload_perl() {
		3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
		3300
		3301	$RELOAD_WATCHER ||= Event->timer (
		3302	reentrant => 0,
		3303	after => 0,
		3304	data => WF_AUTOCANCEL,
		3305	cb => sub {
		3306	do_reload_perl;
		3307	undef $RELOAD_WATCHER;
		3308	},
		3309	);
		3310	}
		3311
2465	register_command "reload" => sub {	3312	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2467		3314
2468	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3316	$who->message ("reloading server.");
2470		3317	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3318	}
2484	};	3319	};
2485		3320
2486	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2487		3322
2488	my $bug_warning = 0;	3323	my $bug_warning = 0;
2489		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3349	reentrant => 0,
2492	parked => 1,	3350	parked => 1,
2493	prio => 0,	3351	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3357	unless ++$bug_warning > 10;
2500	return;	3358	return;
2501	}	3359	}
2502		3360
2503	$NOW = Event::time;	3361	$NOW = $tick_start = Event::time;
2504		3362
2505	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2506	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2508		3390
2509	$WAIT_FOR_TICK->broadcast;	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3393	Coro::async_pool {
2512	Event::sweep;	3394	write_runtime
2513	Coro::cede_notself;	3395	or warn "ERROR: unable to write runtime file: $!";
		3396	};
2514		3397	}
		3398
2515	# my $AFTER = Event::time;	3399	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3400	# warn $AFTER - $NOW;#d#
2517		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
		3410
2518	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3413
2521	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2523	},	3423	},
2524	);	3424	);
2525		3425
		3426	{
		3427	BDB::max_poll_time $TICK * 0.1;
		3428	$BDB_POLL_WATCHER = Event->io (
		3429	reentrant => 0,
		3430	fd => BDB::poll_fileno,
		3431	poll => 'r',
		3432	prio => 0,
		3433	data => WF_AUTOCANCEL,
		3434	cb => \&BDB::poll_cb,
		3435	);
		3436	BDB::min_parallel 8;
		3437
		3438	BDB::set_sync_prepare {
		3439	my $status;
		3440	my $current = $Coro::current;
		3441	(
		3442	sub {
		3443	$status = $!;
		3444	$current->ready; undef $current;
		3445	},
		3446	sub {
		3447	Coro::schedule while defined $current;
		3448	$! = $status;
		3449	},
		3450	)
		3451	};
		3452
		3453	unless ($DB_ENV) {
		3454	$DB_ENV = BDB::db_env_create;
		3455
		3456	cf::sync_job {
		3457	eval {
		3458	BDB::db_env_open
		3459	$DB_ENV,
		3460	$BDBDIR,
		3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3463	0666;
		3464
		3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3466
		3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3468	$DB_ENV->set_lk_detect;
		3469	};
		3470
		3471	cf::cleanup "db_env_open(db): $@" if $@;
		3472	};
		3473	}
		3474	}
		3475
		3476	{
		3477	IO::AIO::min_parallel 8;
		3478
		3479	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3480	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3481	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3482	reentrant => 0,
		3483	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3484	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3485	poll => 'r',
2533	prio => 6,	3486	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3487	cb => \&IO::AIO::poll_cb,
2536	);	3488	);
		3489	}
2537		3490
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3491	my $_log_backtrace;
2539	reentrant => 0,	3492
2540	data => WF_AUTOCANCEL,	3493	sub _log_backtrace {
2541	after => 1,	3494	my ($msg, @addr) = @_;
2542	interval => 10,	3495
2543	prio => 6, # keep it lowest so it acts like a watchdog	3496	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3497
2545	write_runtime	3498	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3526	}
2548	);	3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
2549		3531
2550	END { cf::emergency_save }	3532	END { cf::emergency_save }
2551		3533
2552	1	3534	1
2553		3535

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