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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.320 by root, Tue Jul 24 22:49:40 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
22		24
		25	use JSON::XS 1.4 ();
23	use BDB ();	26	use BDB ();
24	use Data::Dumper;	27	use Data::Dumper;
25	use Digest::MD5;	28	use Digest::MD5;
26	use Fcntl;	29	use Fcntl;
27	use YAML::Syck ();	30	use YAML::Syck ();
28	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
29	use Time::HiRes;	32	use Time::HiRes;
30	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
31		35
32	# configure various modules to our taste	36	# configure various modules to our taste
33	#	37	#
34	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	51	our %COMMAND = ();
48	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
49		53
50	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
54		59
55	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
56	our @EVENT;	61	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		62
59	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	76	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	79	our $NEXT_TICK;
64	our $NOW;	80	our $NOW;
…		…
73	our $RUNTIME;	89	our $RUNTIME;
74		90
75	our %PLAYER; # all users	91	our %PLAYER; # all users
76	our %MAP; # all maps	92	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		94
84	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
87	binmode STDOUT;	102	binmode STDOUT;
88	binmode STDERR;	103	binmode STDERR;
89		104
90	# read virtual server time, if available	105	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
95	}	110	}
96		111
97	mkdir cf::localdir;	112	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		114
104	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
105		116
106	sub cf::map::normalise;	117	sub cf::map::normalise;
107		118
…		…
118	=item $cf::RUNTIME	129	=item $cf::RUNTIME
119		130
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	132	every server tick.
122		133
123	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		137
125	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
127		142
128	=item $cf::NOW	143	=item $cf::NOW
129		144
130	The time of the last (current) server tick.	145	The time of the last (current) server tick.
131		146
132	=item $cf::TICK	147	=item $cf::TICK
133		148
134	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
135		160
136	=item %cf::CFG	161	=item %cf::CFG
137		162
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	164	from wherever your confdir points to.
140		165
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		167
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
147		177
148	=back	178	=back
149		179
150	=cut	180	=cut
151		181
152	BEGIN {	182	BEGIN {
153	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	184	my $msg = join "", @_;
155	utf8::encode $msg;
156		185
157	$msg .= "\n"	186	$msg .= "\n"
158	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
159		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
160	LOG llevError, $msg;	192	LOG llevError, $msg;
161	};	193	};
162	}	194	}
163		195
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		203
171	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	205	# within the Safe compartment.
173	for my $pkg (qw(	206	for my $pkg (qw(
174	cf::global cf::attachable	207	cf::global cf::attachable
…		…
182	}	215	}
183		216
184	$Event::DIED = sub {	217	$Event::DIED = sub {
185	warn "error in event callback: @_";	218	warn "error in event callback: @_";
186	};	219	};
		220
		221	#############################################################################
187		222
188	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
189		224
190	=over 4	225	=over 4
191		226
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	246	$d
212	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
213	}	248	}
214		249
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
218		251
219	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
220		253
221	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
222		255
223	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
224		264
225	=item cf::lock_wait $string	265	=item cf::lock_wait $string
226		266
227	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
228		268
…		…
234	returned.	274	returned.
235		275
236	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
238		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
239	=cut	283	=cut
240		284
241	our %LOCK;	285	our %LOCK;
242		286
243	sub lock_wait($) {	287	sub lock_wait($) {
…		…
260		304
261	Coro::guard {	305	Coro::guard {
262	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
264	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
265	}	315	}
266		316
267	sub freeze_mainloop {	317	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
269		319
…		…
272	};	322	};
273	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
274	$guard	324	$guard
275	}	325	}
276		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
277	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
278		384
279	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	387	thing you are allowed to do is call C<prio> on it.
…		…
284		390
285	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
286		392
287	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
288		394
289	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
292		399
293	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
296	fast or be very important.	403	fast or be very important.
…		…
299		406
300	sub sync_job(&) {	407	sub sync_job(&) {
301	my ($job) = @_;	408	my ($job) = @_;
302		409
303	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
304	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
306		415
307	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
319		428
320	while ($busy) {	429	while ($busy) {
321	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
322	}	431	}
323		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
324	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
325	} else {	441	} else {
326	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
327		443
328	$job->()	444	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
348		464
349	$coro	465	$coro
350	}	466	}
351		467
352	sub write_runtime {	468	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		469
355	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
356		474
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
358	or return;
359		476
360	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
361	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
362	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
363		480	Storable::store_fd $_[0], $fh;
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
365	and return;
366
367	# always fsync - this file is important
368	aio_fsync $fh
369	and return;
370
371	close $fh	481	close $fh;
372	or return;
373		482
374	aio_rename "$runtime~", $runtime	483	$buf
375	and return;	484	}
376		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
377	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
378	}	644	}
379		645
380	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
381		647
382	Log a datalog packet of the given type with the given key-value pairs.	648	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
402		668
403	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	671	Crossfire TRT).
406		672
407	=over 4	673	=over 4
408		674
409	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
410		676
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
574		840
575	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		845
580	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	847	my $pkg = shift @arg;
582		848
583	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
613	}	879	}
614		880
615	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
616	} else {	882	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	884	}
619		885
620	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
621	}	887	}
622		888
…		…
624	if (ref $_[0]) {	890	if (ref $_[0]) {
625	_object_attach @_;	891	_object_attach @_;
626	} else {	892	} else {
627	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
628	}	894	}
		895	_recalc_want;
629	};	896	};
630		897
631	# all those should be optimised	898	# all those should be optimised
632	sub cf::attachable::detach {	899	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
637	reattach ($obj);	904	reattach ($obj);
638	} else {	905	} else {
639	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
640	}	907	}
		908	_recalc_want;
641	};	909	};
642		910
643	sub cf::attachable::attached {	911	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
645		913
…		…
660	";	928	";
661	die if $@;	929	die if $@;
662	}	930	}
663		931
664	our $override;	932	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		934
667	sub override {	935	sub override {
668	$override = 1;	936	$override = 1;
669	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
670	}	938	}
671		939
672	sub do_invoke {	940	sub do_invoke {
673	my $event = shift;	941	my $event = shift;
674	my $callbacks = shift;	942	my $callbacks = shift;
675		943
676	@invoke_results = ();	944	@INVOKE_RESULTS = ();
677		945
678	local $override;	946	local $override;
679		947
680	for (@$callbacks) {	948	for (@$callbacks) {
681	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
698		966
699	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
700		968
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		972
705	=back	973	=back
706		974
707	=cut	975	=cut
708		976
709	#############################################################################	977	#############################################################################
710	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
711		990
712	sub reattach {	991	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	993	my ($obj) = @_;
715		994
…		…
818	or return;	1097	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1099	}
821		1100
822	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1103	return ($data, $av);
825	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
826		1111
827	#############################################################################	1112	#############################################################################
828	# command handling &c	1113	# command handling &c
829		1114
830	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1129	}
845		1130
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1132
848	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
849		1138
850	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
851	called.	1140	called.
852		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
853	=cut	1153	=cut
854		1154
855	sub register_extcmd {	1155	sub register_extcmd {
856	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
857		1157
858	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
859	}	1165	}
860		1166
861	cf::player->attach (	1167	cf::player->attach (
862	on_command => sub {	1168	on_command => sub {
863	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1178	cf::override;
873	},	1179	},
874	on_extcmd => sub {	1180	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
876		1182
877	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1184
879	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
882	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
883	}	1195	if $reply;
884	}	1196	}
885	} else {	1197	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1199	}
888		1200
889	cf::override;	1201	cf::override;
890	},	1202	},
891	);	1203	);
892		1204
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
928	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1210	next unless -r $path;
930	eval {	1211
931	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
932	1	1269	}
933	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
934	}	1275	};
935	}	1276	}
936		1277
937	#############################################################################	1278	#############################################################################
938		1279
		1280	=back
		1281
939	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
940		1283
941	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
942		1285
943	=cut	1286	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
956		1299
957	=cut	1300	=cut
958		1301
959	sub playerdir($) {	1302	sub playerdir($) {
960	cf::localdir	1303	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1305	}
966		1306
967	sub path($) {	1307	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1088	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1089		1429
1090	=cut	1430	=cut
1091		1431
1092	sub list_logins {	1432	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1434	or return [];
1095		1435
1096	my @logins;	1436	my @logins;
1097		1437
1098	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1133	}	1473	}
1134		1474
1135	\@paths	1475	\@paths
1136	}	1476	}
1137		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1138	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1139		1529
1140	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1141		1531
1142	=cut	1532	=cut
1143		1533
1144	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1146		1536
1147	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1148		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1149	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1150	}	1544	}
1151		1545
1152	=item $player->ext_event ($type, %msg)	1546	=item $player->ext_msg ($type, @msg)
1153		1547
1154	Sends an ext event to the client.	1548	Sends an ext event to the client.
1155		1549
1156	=cut	1550	=cut
1157		1551
1158	sub ext_event($$%) {	1552	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1553	my ($self, $type, @msg) = @_;
1160		1554
1161	$self->ns->ext_event ($type, %msg);	1555	$self->ns->ext_msg ($type, @msg);
1162	}	1556	}
1163		1557
1164	package cf;	1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1165		1586
1166	=back	1587	=back
1167
1168		1588
1169	=head3 cf::map	1589	=head3 cf::map
1170		1590
1171	=over 4	1591	=over 4
1172		1592
…		…
1227	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1228		1648
1229	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1230	local $self->{path};	1650	local $self->{path};
1231	local $self->{load_path};	1651	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1652
1235	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1236	}	1654	}
1237		1655
1238	sub normalise {	1656	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1286	return $self;	1704	return $self;
1287	}	1705	}
1288	}	1706	}
1289		1707
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1709	()
1292	}	1710	}
1293		1711
1294	sub init {	1712	sub init {
1295	my ($self) = @_;	1713	my ($self) = @_;
…		…
1310		1728
1311	# the original (read-only) location	1729	# the original (read-only) location
1312	sub load_path {	1730	sub load_path {
1313	my ($self) = @_;	1731	my ($self) = @_;
1314		1732
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1316	}	1734	}
1317		1735
1318	# the temporary/swap location	1736	# the temporary/swap location
1319	sub save_path {	1737	sub save_path {
1320	my ($self) = @_;	1738	my ($self) = @_;
1321		1739
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1324	}	1742	}
1325		1743
1326	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1327	sub uniq_path {	1745	sub uniq_path {
1328	my ($self) = @_;	1746	my ($self) = @_;
1329		1747
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1332	}	1750	}
1333		1751
1334	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1335	# all maps in C++...	1753	# all maps in C++...
1336	sub change_all_map_light {	1754	sub change_all_map_light {
1337	my ($change) = @_;	1755	my ($change) = @_;
1338		1756
1339	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
		1759	}
		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
1341	}	1767	}
1342		1768
1343	sub unlink_save {	1769	sub unlink_save {
1344	my ($self) = @_;	1770	my ($self) = @_;
1345		1771
…		…
1403	$self->load_header_orig	1829	$self->load_header_orig
1404	or return;	1830	or return;
1405	$self->prepare_orig;	1831	$self->prepare_orig;
1406	}	1832	}
1407		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
		1839
1408	1	1840	1
1409	}	1841	}
1410		1842
1411	sub find;	1843	sub find;
1412	sub find {	1844	sub find {
…		…
1424	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1425		1857
1426	$map->load_header	1858	$map->load_header
1427	or return;	1859	or return;
1428		1860
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1432	$map->reset;	1864	$map->reset;
1433	undef $guard;	1865	undef $guard;
1434	return find $path;	1866	return find $path;
…		…
1445	my ($self) = @_;	1877	my ($self) = @_;
1446		1878
1447	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1448		1880
1449	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1451		1885
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1453		1887
1454	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1455		1889
1456	$self->alloc;	1890	$self->alloc;
1457		1891
1458	$self->pre_load;	1892	$self->pre_load;
1459
1460	$self->_load_objects ($self->{load_path}, 1)
1461	or return;
1462
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};
1465
1466	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {
1469	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);
1471	}
1472	}
1473
1474	Coro::cede;
1475
1476	# now do the right thing for maps
1477	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;	1893	Coro::cede;
1484	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1485	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1913	unless $self->difficulty;
1487	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1488	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1927	}
1490		1928
1491	$self->post_load;	1929	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1930	}
1495		1931
1496	sub customise_for {	1932	sub customise_for {
1497	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1498		1934
1499	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1501		1940
1502	$self	1941	$self
1503	}	1942	}
1504		1943
1505	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1552		1991
1553	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1554	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1557	my $map = find $path	1996	if (my $map = find $path) {
1558	or next;
1559	$map->load;	1997	$map->load;
		1998	}
1560		1999
1561	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1562	}	2001	}
1563	}	2002	}
1564	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
…		…
1616		2055
1617	sub reset_at {	2056	sub reset_at {
1618	my ($self) = @_;	2057	my ($self) = @_;
1619		2058
1620	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1623		2061
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2064
…		…
1637	my ($self) = @_;	2075	my ($self) = @_;
1638		2076
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2078
1641	return if $self->players;	2079	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2080
1644	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
1645		2082
1646	$self->in_memory (cf::MAP_SWAPPED);	2083	$self->in_memory (cf::MAP_SWAPPED);
1647		2084
1648	# need to save uniques path	2085	# need to save uniques path
1649	unless ($self->{deny_save}) {	2086	unless ($self->{deny_save}) {
…		…
1681	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1682		2119
1683	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1684	}	2121	}
1685		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
		2157	}
		2158
1686	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1687		2160
1688	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2162	instantiated unique items. May block.
1690		2163
1691	=cut	2164	=cut
1692		2165
1693	sub unique_maps() {	2166	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1695	or return;	2168	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2169	utf8::decode $_;
1701	next if /\.pst$/;	2170	/\.map$/
1702	next unless /^$PATH_SEP/o;	2171	? normalise $_
1703		2172	: ()
1704	push @paths, cf::map::normalise $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2174	]
1706
1707	\@paths
1708	}	2175	}
1709		2176
1710	package cf;	2177	package cf;
1711		2178
1712	=back	2179	=back
…		…
1758		2225
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2227
1761	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1763	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1766	}	2242	}
1767	}	2243	}
1768		2244
1769	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1770		2246
…		…
1818	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1819		2295
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2297
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1824		2300
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2302	}
1827		2303
1828	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1830		2308
1831	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1832		2310
1833	unless ($map) {	2311	unless ($map) {
1834	# restore original map position	2312	# restore original map position
…		…
1857		2335
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1860	}	2338	}
1861		2339
1862	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2341
1866	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1870	};	2346	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2347
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1897		2351
1898	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2357
1901	$self->enter_link;	2358	$self->enter_link;
1902		2359
1903	(async {	2360	(async {
1904	my $map = eval {	2361	my $map = eval {
1905	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
		2366	$map = $check->($map) if $check && $map;
		2367	} else {
		2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
		2370
1907	$map	2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2377	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1912	})->prio (1);	2385	})->prio (1);
1913	}	2386	}
1914		2387
1915	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1916		2389
…		…
1955		2428
1956	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1957		2430
1958	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1961		2434
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2437	undef $fh;
1965	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;	2458	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2459	my $sp = $exit->stats->sp;
1987		2460
1988	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1989		2466
1990	(async {	2467	(async {
1991	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2469	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2470	$self->goto ($slaying, $hp, $sp);
…		…
2021		2498
2022	utf8::encode $text;	2499	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2501	}
2025		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2026	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2027		2556
2028	Sends an exti event to the client.	2557	Sends an ext event to the client.
2029		2558
2030	=cut	2559	=cut
2031		2560
2032	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2034		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2569	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
2037	}	2572	}
2038		2573
2039	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
2040		2575
2041	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2579
2045	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2581	become reliable at some point in the future.
2047		2582
2048	=cut	2583	=cut
2049		2584
2050	sub cf::client::query {	2585	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2594	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2596
2062	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
2064	}	2601	}
2065		2602
2066	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
2067	on_reply => sub {	2609	on_reply => sub {
2068	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
2069		2611
2070	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
2071	# get handled first	2613	# get handled first
…		…
2083	} else {	2625	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2627	}
2086	}	2628	}
2087	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
2088	);	2653	);
2089		2654
2090	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
2091		2656
2092	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2141		2706
2142	=pod	2707	=pod
2143		2708
2144	The following functions and methods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2145		2710
2146	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2147	cf::object::player player	2715	cf::object::player
2148	cf::player peaceful	2716	player
2149	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2150		2723
2151	=cut	2724	=cut
2152		2725
2153	for (	2726	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2155	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2158	) {	2732	) {
2159	no strict 'refs';	2733	no strict 'refs';
…		…
2230	=back	2804	=back
2231		2805
2232	=cut	2806	=cut
2233		2807
2234	#############################################################################	2808	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2809	# the server's init and main functions
2308		2810
2309	sub load_facedata {	2811	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	2812	my ($path) = @_;
2311		2813
2312	warn "loading facedata from $path\n";	2814	warn "loading facedata from $path\n";
2313		2815
2314	my $facedata;	2816	my $facedata;
2315	0 < aio_load $path, $facedata	2817	0 < aio_load $path, $facedata
…		…
2323	{	2825	{
2324	my $faces = $facedata->{faceinfo};	2826	my $faces = $facedata->{faceinfo};
2325		2827
2326	while (my ($face, $info) = each %$faces) {	2828	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2331	Coro::cede;	2834
		2835	cf::cede_to_tick;
2332	}	2836	}
2333		2837
2334	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2839	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2840	my $idx = cf::face::find $face
2337	or next;	2841	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2845	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2847	}
2343	Coro::cede;	2848
		2849	cf::cede_to_tick;
2344	}	2850	}
2345	}	2851	}
2346		2852
2347	{	2853	{
2348	my $anims = $facedata->{animinfo};	2854	my $anims = $facedata->{animinfo};
2349		2855
2350	while (my ($anim, $info) = each %$anims) {	2856	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2858	cf::cede_to_tick;
2353	}	2859	}
2354		2860
2355	cf::anim::invalidate_all; # d'oh	2861	cf::anim::invalidate_all; # d'oh
2356	}	2862	}
2357		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		2871	$soundconf = $enc->decode (delete $soundconf->{data});
		2872	# todo
		2873	}
		2874
		2875	while (my ($name, $info) = each %$res) {
		2876	my $meta = $enc->encode ({
		2877	name => $name,
		2878	%{ $info->{meta} || {} },
		2879	});
		2880
		2881	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2882
		2883	if ($info->{type} & 1) {
		2884	# prepend meta info
		2885
		2886	my $data = pack "(w/a*)*", $meta, $info->{data};
		2887	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2888
		2889	cf::face::set_data $idx, 0, $data, $chk;
		2890	} else {
		2891	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2892	}
		2893
		2894	cf::face::set_type $idx, $info->{type};
		2895
		2896	cf::cede_to_tick;
		2897	}
		2898	}
		2899
2358	1	2900	1
2359	}	2901	}
2360		2902
		2903	register_exticmd fx_want => sub {
		2904	my ($ns, $want) = @_;
		2905
		2906	while (my ($k, $v) = each %$want) {
		2907	$ns->fx_want ($k, $v);
		2908	}
		2909	};
		2910
		2911	sub reload_regions {
		2912	load_resource_file "$MAPDIR/regions"
		2913	or die "unable to load regions file\n";
		2914
		2915	for (cf::region::list) {
		2916	$_->{match} = qr/$_->{match}/
		2917	if exists $_->{match};
		2918	}
		2919	}
		2920
		2921	sub reload_facedata {
		2922	load_facedata "$DATADIR/facedata"
		2923	or die "unable to load facedata\n";
		2924	}
		2925
		2926	sub reload_archetypes {
		2927	load_resource_file "$DATADIR/archetypes"
		2928	or die "unable to load archetypes\n";
		2929	#d# NEED to laod twice to resolve forward references
		2930	# this really needs to be done in an extra post-pass
		2931	# (which needs to be synchronous, so solve it differently)
		2932	load_resource_file "$DATADIR/archetypes"
		2933	or die "unable to load archetypes\n";
		2934	}
		2935
		2936	sub reload_treasures {
		2937	load_resource_file "$DATADIR/treasures"
		2938	or die "unable to load treasurelists\n";
		2939	}
		2940
2361	sub reload_resources {	2941	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2942	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	2943
		2944	reload_regions;
2364	load_facedata	2945	reload_facedata;
2365	or die "unable to load facedata\n";#d#	2946	#reload_archetypes;#d#
		2947	reload_archetypes;
		2948	reload_treasures;
		2949
		2950	warn "finished reloading resource files\n";
2366	}	2951	}
2367		2952
2368	sub init {	2953	sub init {
2369	reload_resources;	2954	reload_resources;
2370	}	2955	}
2371		2956
2372	sub cfg_load {	2957	sub cfg_load {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	2958	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	2959	or return;
2375		2960
2376	local $/;	2961	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	2962	*CFG = YAML::Syck::Load <$fh>;
2378		2963
…		…
2423	},	3008	},
2424	);	3009	);
2425	}	3010	}
2426	}	3011	}
2427		3012
		3013	sub write_runtime {
		3014	my $runtime = "$LOCALDIR/runtime";
		3015
		3016	# first touch the runtime file to show we are still running:
		3017	# the fsync below can take a very very long time.
		3018
		3019	IO::AIO::aio_utime $runtime, undef, undef;
		3020
		3021	my $guard = cf::lock_acquire "write_runtime";
		3022
		3023	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3024	or return;
		3025
		3026	my $value = $cf::RUNTIME + 90 + 10;
		3027	# 10 is the runtime save interval, for a monotonic clock
		3028	# 60 allows for the watchdog to kill the server.
		3029
		3030	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3031	and return;
		3032
		3033	# always fsync - this file is important
		3034	aio_fsync $fh
		3035	and return;
		3036
		3037	# touch it again to show we are up-to-date
		3038	aio_utime $fh, undef, undef;
		3039
		3040	close $fh
		3041	or return;
		3042
		3043	aio_rename "$runtime~", $runtime
		3044	and return;
		3045
		3046	warn "runtime file written.\n";
		3047
		3048	1
		3049	}
		3050
2428	sub emergency_save() {	3051	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3052	my $freeze_guard = cf::freeze_mainloop;
2430		3053
2431	warn "enter emergency perl save\n";	3054	warn "enter emergency perl save\n";
2432		3055
…		…
2463		3086
2464	warn Carp::longmess "post_cleanup backtrace"	3087	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3088	if $make_core;
2466	}	3089	}
2467		3090
2468	sub reload() {	3091	sub do_reload_perl() {
2469	# can/must only be called in main	3092	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3093	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3094	warn "can only reload from main coroutine";
2472	return;	3095	return;
2473	}	3096	}
…		…
2507	%EXT_CORO = ();	3130	%EXT_CORO = ();
2508		3131
2509	warn "removing commands";	3132	warn "removing commands";
2510	%COMMAND = ();	3133	%COMMAND = ();
2511		3134
2512	warn "removing ext commands";	3135	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3136	%EXTCMD = ();
		3137	%EXTICMD = ();
2514		3138
2515	warn "unloading/nuking all extensions";	3139	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3140	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3141	warn "... unloading $pkg";
2518		3142
…		…
2548	Symbol::delete_package "safe::$_"	3172	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3173	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3174
2551	warn "unloading cf.pm \"a bit\"";	3175	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3176	delete $INC{"cf.pm"};
		3177	delete $INC{"cf/pod.pm"};
2553		3178
2554	# don't, removes xs symbols, too,	3179	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3180	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3181	#Symbol::delete_package __PACKAGE__;
2557		3182
…		…
2572	warn "reattaching attachments to maps";	3197	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3198	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3199	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3200	reattach $_ for values %PLAYER;
2576		3201
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3202	warn "leaving sync_job";
2581		3203
2582	1	3204	1
2583	} or do {	3205	} or do {
2584	warn $@;	3206	warn $@;
…		…
2589	warn "reloaded";	3211	warn "reloaded";
2590	};	3212	};
2591		3213
2592	our $RELOAD_WATCHER; # used only during reload	3214	our $RELOAD_WATCHER; # used only during reload
2593		3215
		3216	sub reload_perl() {
		3217	# doing reload synchronously and two reloads happen back-to-back,
		3218	# coro crashes during coro_state_free->destroy here.
		3219
		3220	$RELOAD_WATCHER ||= Event->timer (
		3221	reentrant => 0,
		3222	after => 0,
		3223	data => WF_AUTOCANCEL,
		3224	cb => sub {
		3225	do_reload_perl;
		3226	undef $RELOAD_WATCHER;
		3227	},
		3228	);
		3229	}
		3230
2594	register_command "reload" => sub {	3231	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3232	my ($who, $arg) = @_;
2596		3233
2597	if ($who->flag (FLAG_WIZ)) {	3234	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3235	$who->message ("reloading server.");
2599		3236	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3237	}
2613	};	3238	};
2614		3239
2615	unshift @INC, $LIBDIR;	3240	unshift @INC, $LIBDIR;
2616		3241
2617	my $bug_warning = 0;	3242	my $bug_warning = 0;
2618		3243
		3244	our @WAIT_FOR_TICK;
		3245	our @WAIT_FOR_TICK_BEGIN;
		3246
		3247	sub wait_for_tick {
		3248	return unless $TICK_WATCHER->is_active;
		3249	return if $Coro::current == $Coro::main;
		3250
		3251	my $signal = new Coro::Signal;
		3252	push @WAIT_FOR_TICK, $signal;
		3253	$signal->wait;
		3254	}
		3255
		3256	sub wait_for_tick_begin {
		3257	return unless $TICK_WATCHER->is_active;
		3258	return if $Coro::current == $Coro::main;
		3259
		3260	my $signal = new Coro::Signal;
		3261	push @WAIT_FOR_TICK_BEGIN, $signal;
		3262	$signal->wait;
		3263	}
		3264
		3265	my $min = 1e6;#d#
		3266	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3267	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3268	reentrant => 0,
2621	parked => 1,	3269	parked => 1,
2622	prio => 0,	3270	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3271	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3276	unless ++$bug_warning > 10;
2629	return;	3277	return;
2630	}	3278	}
2631		3279
2632	$NOW = Event::time;	3280	$NOW = $tick_start = Event::time;
2633		3281
2634	cf::server_tick; # one server iteration	3282	cf::server_tick; # one server iteration
		3283
		3284	0 && sync_job {#d#
		3285	for(1..10) {
		3286	my $t = Event::time;
		3287	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3288	or die;
		3289
		3290	$map->width (50);
		3291	$map->height (50);
		3292	$map->alloc;
		3293	$map->_load_objects ("/tmp/x.map", 1);
		3294	my $t = Event::time - $t;
		3295
		3296	#next unless $t < 0.0013;#d#
		3297	if ($t < $min) {
		3298	$min = $t;
		3299	}
		3300	$avg = $avg * 0.99 + $t * 0.01;
		3301	}
		3302	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3303	exit 0;
		3304	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3305	};
		3306
2635	$RUNTIME += $TICK;	3307	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3308	$NEXT_TICK += $TICK;
2637		3309
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3310	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3311	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3313	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3314	or warn "ERROR: unable to write runtime file: $!";
2643	};	3315	};
2644	}	3316	}
2645		3317
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3318	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3319	# warn $AFTER - $NOW;#d#
2651		3320
		3321	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3322	$sig->send;
		3323	}
		3324	while (my $sig = shift @WAIT_FOR_TICK) {
		3325	$sig->send;
		3326	}
		3327
		3328	$NOW = Event::time;
		3329
2652	# if we are delayed by four ticks or more, skip them all	3330	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3331	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3332
2655	$TICK_WATCHER->at ($NEXT_TICK);	3333	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3334	$TICK_WATCHER->start;
		3335
		3336	$LOAD = ($NOW - $tick_start) / $TICK;
		3337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3338
		3339	_post_tick;
		3340
		3341
2657	},	3342	},
2658	);	3343	);
2659		3344
2660	{	3345	{
2661	BDB::max_poll_time $TICK * 0.1;	3346	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3374
2690	cf::sync_job {	3375	cf::sync_job {
2691	eval {	3376	eval {
2692	BDB::db_env_open	3377	BDB::db_env_open
2693	$DB_ENV,	3378	$DB_ENV,
2694	$BDB_ENV_DIR,	3379	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3380	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3381	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3382	0666;
2698		3383
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3384	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3385
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3386	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3387	$DB_ENV->set_lk_detect;
2703	};	3388	};
2704		3389
…		…
2720	prio => 6,	3405	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3406	cb => \&IO::AIO::poll_cb,
2722	);	3407	);
2723	}	3408	}
2724		3409
		3410	my $_log_backtrace;
		3411
		3412	sub _log_backtrace {
		3413	my ($msg, @addr) = @_;
		3414
		3415	$msg =~ s/\n//;
		3416
		3417	# limit the # of concurrent backtraces
		3418	if ($_log_backtrace < 2) {
		3419	++$_log_backtrace;
		3420	async {
		3421	my @bt = fork_call {
		3422	@addr = map { sprintf "%x", $_ } @addr;
		3423	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3424	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3425	or die "addr2line: $!";
		3426
		3427	my @funcs;
		3428	my @res = <$fh>;
		3429	chomp for @res;
		3430	while (@res) {
		3431	my ($func, $line) = splice @res, 0, 2, ();
		3432	push @funcs, "[$func] $line";
		3433	}
		3434
		3435	@funcs
		3436	};
		3437
		3438	LOG llevInfo, "[ABT] $msg\n";
		3439	LOG llevInfo, "[ABT] $_\n" for @bt;
		3440	--$_log_backtrace;
		3441	};
		3442	} else {
		3443	LOG llevInfo, "[ABT] $msg\n";
		3444	LOG llevInfo, "[ABT] [suppressed]\n";
		3445	}
		3446	}
		3447
		3448	# load additional modules
		3449	use cf::pod;
		3450
2725	END { cf::emergency_save }	3451	END { cf::emergency_save }
2726		3452
2727	1	3453	1
2728		3454

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