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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
23	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
24		48
		49	use JSON::XS 2.01 ();
25	use BDB ();	50	use BDB ();
26	use Data::Dumper;	51	use Data::Dumper;
27	use Digest::MD5;	52	use Digest::MD5;
28	use Fcntl;	53	use Fcntl;
29	use YAML::Syck ();	54	use YAML ();
30	use IO::AIO 2.32 ();	55	use IO::AIO ();
31	use Time::HiRes;	56	use Time::HiRes;
32	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
		61
		62	IO::AIO::max_poll_reqs 1;#d#
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
71		98
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	101	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	107	our $DB_ENV;
82		108
83	our %CFG;	109	our %CFG;
84		110
85	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
87		114
88	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
91		118
92	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		121
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	125	our $TICK_START; # for load detecting purposes
98		126
99	binmode STDOUT;	127	binmode STDOUT;
100	binmode STDERR;	128	binmode STDERR;
101		129
102	# read virtual server time, if available	130	# read virtual server time, if available
…		…
155		183
156	The raw value load value from the last tick.	184	The raw value load value from the last tick.
157		185
158	=item %cf::CFG	186	=item %cf::CFG
159		187
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	189	from wherever your confdir points to.
162		190
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		192
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	194	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
		202
169	=back	203	=back
170		204
171	=cut	205	=cut
172		206
173	BEGIN {	207	BEGIN {
…		…
177	$msg .= "\n"	211	$msg .= "\n"
178	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
179		213
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		215
182	utf8::encode $msg;
183	LOG llevError, $msg;	216	LOG llevError, $msg;
184	};	217	};
185	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
186		234
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		242
194	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	244	# within the Safe compartment.
196	for my $pkg (qw(	245	for my $pkg (qw(
197	cf::global cf::attachable	246	cf::global cf::attachable
…		…
202	)) {	251	)) {
203	no strict 'refs';	252	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	254	}
206		255
207	$Event::DIED = sub {	256	$EV::DIED = sub {
208	warn "error in event callback: @_";	257	warn "error in event callback: @_";
209	};	258	};
		259
		260	#############################################################################
210		261
211	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
212		263
213	=over 4	264	=over 4
214		265
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	285	$d
235	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
236	}	287	}
237		288
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
241		290
242	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
243		292
244	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
245		294
246	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
247		303
248	=item cf::lock_wait $string	304	=item cf::lock_wait $string
249		305
250	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
251		307
…		…
254	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
257	returned.	313	returned.
258		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
259	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
261		320
262	=item $locked = cf::lock_active $string	321	=item $locked = cf::lock_active $string
263		322
264	Return true if the lock is currently active, i.e. somebody has locked it.	323	Return true if the lock is currently active, i.e. somebody has locked it.
265		324
266	=cut	325	=cut
267		326
268	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
269		329
270	sub lock_wait($) {	330	sub lock_wait($) {
271	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
272		337
273	# wait for lock, if any	338	# wait for lock, if any
274	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	341	Coro::schedule;
…		…
282		347
283	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
284	lock_wait $key;	349	lock_wait $key;
285		350
286	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
287		353
288	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
291	}	358	}
292	}	359	}
293		360
…		…
296		363
297	! ! $LOCK{$key}	364	! ! $LOCK{$key}
298	}	365	}
299		366
300	sub freeze_mainloop {	367	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
302		369
303	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
305	};	431	}
306	$TICK_WATCHER->stop;	432	};
307	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
308	}	446	}
309		447
310	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
311		449
312	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		455
318	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
319		457
320	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
321		459
322	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
325		464
326	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
329	fast or be very important.	468	fast or be very important.
…		…
332		471
333	sub sync_job(&) {	472	sub sync_job(&) {
334	my ($job) = @_;	473	my ($job) = @_;
335		474
336	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	476	my $time = EV::time;
338		477
339	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
341		480
342	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	482
344	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
345		484
346	my $busy = 1;	485	my $busy = 1;
347	my @res;	486	my @res;
348		487
349	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	490	@res = eval { $job->() };
351	warn $@ if $@;	491	warn $@ if $@;
352	undef $busy;	492	undef $busy;
353	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
354		494
355	while ($busy) {	495	while ($busy) {
356	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
357	}	500	}
		501	}
358		502
359	$time = Event::time - $time;	503	my $time = EV::time - $time;
360		504
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
365		506
366	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
367	} else {	508	} else {
368	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
369		510
…		…
389	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
390		531
391	$coro	532	$coro
392	}	533	}
393		534
394	sub write_runtime {	535	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		536
397	# first touch the runtime file to show we are still running:	537	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
399		541
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	542	=cut
401	utime undef, undef, $fh;	543
		544	sub fork_call(&@) {
		545	my ($cb, @args) = @_;
		546
		547	# we seemingly have to make a local copy of the whole thing,
		548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
		550
		551	my @res = Coro::Util::fork_eval {
		552	reset_signals;
		553	&$cb
		554	}, @args;
		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
402	}	613	};
		614	cf::cleanup "db_open(db): $@" if $@;
403		615
404	my $guard = cf::lock_acquire "write_runtime";	616	$db
		617	}
405		618
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	our $DB;
407	or return;
408		620
409	my $value = $cf::RUNTIME + 90 + 10;	621	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	622	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	623	$DB ||= db_table "db";
		624	};
		625	}
412		626
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	627	sub db_get($$) {
414	and return;	628	my $key = "$_[0]/$_[1]";
415		629
416	# always fsync - this file is important	630	cf::sync_job {
417	aio_fsync $fh	631	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		632
420	# touch it again to show we are up-to-date	633	$! ? ()
421	utime undef, undef, $fh;	634	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
432	}	711	}
433		712
434	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
435		714
436	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
456		735
457	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	738	Deliantra).
460		739
461	=over 4	740	=over 4
462		741
463	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
464		743
…		…
666	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
667	}	946	}
668		947
669	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
670	} else {	949	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	951	}
673		952
674	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
675	}	954	}
676		955
…		…
716	";	995	";
717	die if $@;	996	die if $@;
718	}	997	}
719		998
720	our $override;	999	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1001
723	sub override {	1002	sub override {
724	$override = 1;	1003	$override = 1;
725	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
726	}	1005	}
727		1006
728	sub do_invoke {	1007	sub do_invoke {
729	my $event = shift;	1008	my $event = shift;
730	my $callbacks = shift;	1009	my $callbacks = shift;
731		1010
732	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
733		1012
734	local $override;	1013	local $override;
735		1014
736	for (@$callbacks) {	1015	for (@$callbacks) {
737	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
746	}	1025	}
747		1026
748	0	1027	0
749	}	1028	}
750		1029
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1031
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1033
755	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
756		1035
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1039
761	=back	1040	=back
762		1041
763	=cut	1042	=cut
764		1043
765	#############################################################################	1044	#############################################################################
766	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
767		1088
768	sub reattach {	1089	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1091	my ($obj) = @_;
771		1092
…		…
792	cf::attachable->attach (	1113	cf::attachable->attach (
793	prio => -1000000,	1114	prio => -1000000,
794	on_instantiate => sub {	1115	on_instantiate => sub {
795	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
796		1117
797	$data = from_json $data;	1118	$data = decode_json $data;
798		1119
799	for (@$data) {	1120	for (@$data) {
800	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
801		1122
802	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1139	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
820		1141
821	sync_job {	1142	sync_job {
822	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
825		1147
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1151	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1152	aio_close $fh;
831		1153
832	if (@$objs) {	1154	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1160	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
840	}	1162	}
841	} else {	1163	} else {
842	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
843	}	1165	}
…		…
848	}	1170	}
849	} else {	1171	} else {
850	aio_unlink $filename;	1172	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
852	}	1174	}
853	}	1175	};
854	}	1176	}
855		1177
856	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
858		1180
…		…
870	or return;	1192	or return;
871		1193
872	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
874	or return;	1196	or return;
		1197
875	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
876	}	1200	}
877		1201
		1202	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
880	return ($data, $av);	1206	($data, $av)
881	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
882		1214
883	#############################################################################	1215	#############################################################################
884	# command handling &c	1216	# command handling &c
885		1217
886	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1232	}
901		1233
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1235
904	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
905		1241
906	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
907	called.	1243	called.
908		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
909	=cut	1256	=cut
910		1257
911	sub register_extcmd {	1258	sub register_extcmd {
912	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
913		1260
914	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
915	}	1268	}
916		1269
917	cf::player->attach (	1270	cf::player->attach (
918	on_command => sub {	1271	on_command => sub {
919	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1281	cf::override;
929	},	1282	},
930	on_extcmd => sub {	1283	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
932		1285
933	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1287
935	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
941	} else {	1303	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1305	}
944		1306
945	cf::override;	1307	cf::override;
946	},	1308	},
947	);	1309	);
948		1310
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
984	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1316	next unless -r $path;
986	eval {	1317
987	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
988	1	1374	}
989	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
990	}	1380	};
991	}	1381	}
992		1382
993	#############################################################################	1383	#############################################################################
994		1384
		1385	=back
		1386
995	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
996		1388
997	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
998		1390
999	=cut	1391	=cut
…		…
1003	use Coro::AIO;	1395	use Coro::AIO;
1004		1396
1005	=head3 cf::player	1397	=head3 cf::player
1006		1398
1007	=over 4	1399	=over 4
		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
1008		1414
1009	=item cf::player::find $login	1415	=item cf::player::find $login
1010		1416
1011	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
1012		1418
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1457	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1458
1053	my $pl = load_pl path $login	1459	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
1056	}	1468	}
1057	}	1469	}
1058	}	1470	}
1059		1471
…		…
1068	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
1069		1481
1070	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
1072		1484
		1485	cf::get_slot 0.01;
		1486
1073	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1074	Coro::cede;	1488	cf::cede_to_tick;
1075	}	1489	}
1076		1490
1077	sub new($) {	1491	sub new($) {
1078	my ($login) = @_;	1492	my ($login) = @_;
1079		1493
…		…
1085	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1086		1500
1087	$self	1501	$self
1088	}	1502	}
1089		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1090	=item $pl->quit_character	1514	=item $pl->quit_character
1091		1515
1092	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1094		1518
…		…
1102	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1104		1528
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1109		1535
1110	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1573	or return [];
1148		1574
1149	my @logins;	1575	my @logins;
1150		1576
1151	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1155		1587
1156	utf8::decode $login;	1588	utf8::decode $login;
1157	push @logins, $login;	1589	push @logins, $login;
1158	}	1590	}
1159		1591
…		…
1186	}	1618	}
1187		1619
1188	\@paths	1620	\@paths
1189	}	1621	}
1190		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1191	=item $player->ext_reply ($msgid, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1192		1717
1193	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1194		1719
1195	=cut	1720	=cut
1196		1721
1197	sub ext_reply($$%) {	1722	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1199		1724
1200	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1726	}
1204		1727
1205	=item $player->ext_event ($type, %msg)	1728	=item $player->ext_msg ($type, @msg)
1206		1729
1207	Sends an ext event to the client.	1730	Sends an ext event to the client.
1208		1731
1209	=cut	1732	=cut
1210		1733
1211	sub ext_event($$%) {	1734	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1735	my ($self, $type, @msg) = @_;
1213		1736
1214	$self->ns->ext_event ($type, %msg);	1737	$self->ns->ext_msg ($type, @msg);
1215	}	1738	}
1216		1739
1217	=head3 cf::region	1740	=head3 cf::region
1218		1741
1219	=over 4	1742	=over 4
…		…
1222		1745
1223	package cf::region;	1746	package cf::region;
1224		1747
1225	=item cf::region::find_by_path $path	1748	=item cf::region::find_by_path $path
1226		1749
1227	Tries to decuce the probable region for a map knowing only its path.	1750	Tries to decuce the likely region for a map knowing only its path.
1228		1751
1229	=cut	1752	=cut
1230		1753
1231	sub find_by_path($) {	1754	sub find_by_path($) {
1232	my ($path) = @_;	1755	my ($path) = @_;
1233		1756
1234	my ($match, $specificity);	1757	my ($match, $specificity);
1235		1758
1236	for my $region (list) {	1759	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1760	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1761	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1762	if $region->specificity > $specificity;
1240	}	1763	}
1241	}	1764	}
1242		1765
…		…
1263	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1265		1788
1266	sub generate_random_map {	1789	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1793
1268	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1795	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1832	my ($self, $merge) = @_;
1307		1833
1308	# we have to keep some variables in memory intact	1834	# we have to keep some variables in memory intact
1309	local $self->{path};	1835	local $self->{path};
1310	local $self->{load_path};	1836	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1837
1314	$self->SUPER::thawer_merge ($merge);	1838	$self->SUPER::thawer_merge ($merge);
1315	}	1839	}
1316		1840
1317	sub normalise {	1841	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1365	return $self;	1889	return $self;
1366	}	1890	}
1367	}	1891	}
1368		1892
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1894	()
1371	}	1895	}
1372		1896
1373	sub init {	1897	sub init {
1374	my ($self) = @_;	1898	my ($self) = @_;
…		…
1396		1920
1397	# the temporary/swap location	1921	# the temporary/swap location
1398	sub save_path {	1922	sub save_path {
1399	my ($self) = @_;	1923	my ($self) = @_;
1400		1924
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1926	"$TMPDIR/$path.map"
1403	}	1927	}
1404		1928
1405	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1406	sub uniq_path {	1930	sub uniq_path {
1407	my ($self) = @_;	1931	my ($self) = @_;
1408		1932
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1934	"$UNIQUEDIR/$path"
1411	}	1935	}
1412		1936
1413	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1414	# all maps in C++...	1938	# all maps in C++...
…		…
1417		1941
1418	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1420	}	1944	}
1421		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
1422	sub unlink_save {	1954	sub unlink_save {
1423	my ($self) = @_;	1955	my ($self) = @_;
1424		1956
1425	utf8::encode (my $save = $self->save_path);	1957	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1961
1430	sub load_header_from($) {	1962	sub load_header_from($) {
1431	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1432		1964
1433	utf8::encode $path;	1965	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1967	or return;
		1968
		1969	$self->_load_header ($f)
		1970	or return;
		1971
		1972	local $MAP_LOADING{$self->{path}} = $self;
		1973	$f->resolve_delayed_derefs;
1439		1974
1440	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1441		1976
1442	1	1977	1
1443	}	1978	}
…		…
1482	$self->load_header_orig	2017	$self->load_header_orig
1483	or return;	2018	or return;
1484	$self->prepare_orig;	2019	$self->prepare_orig;
1485	}	2020	}
1486		2021
		2022	$self->{deny_reset} = 1
		2023	if $self->no_reset;
		2024
1487	$self->default_region (cf::region::find_by_path $self->{path})	2025	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2026	unless $self->default_region;
1489		2027
1490	1	2028	1
1491	}	2029	}
…		…
1494	sub find {	2032	sub find {
1495	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1496		2034
1497	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1498		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1500		2039
1501	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1503	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1504	or return;	2045	or return;
1505		2046
1506	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1507		2048
1508	$map->load_header	2049	$map->load_header
1509	or return;	2050	or return;
1510		2051
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1514	$map->reset;	2057	$map->reset;
1515	undef $guard;
1516	return find $path;	2058	return find $path;
1517	}	2059	}
1518		2060
1519	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1520	}	2062	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2071	local $self->{deny_reset} = 1; # loading can take a long time
1530		2072
1531	my $path = $self->{path};	2073	my $path = $self->{path};
1532		2074
1533	{	2075	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1535		2077
		2078	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2080
1538	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1539		2082
1540	$self->alloc;	2083	$self->alloc;
1541		2084
1542	$self->pre_load;	2085	$self->pre_load;
1543	Coro::cede;	2086	cf::cede_to_tick;
1544		2087
		2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2090	$self->_load_objects ($f)
1546	or return;	2091	or return;
1547		2092
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2094	if delete $self->{load_original};
1550		2095
1551	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2097	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2100	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1556	}	2104	}
1557	}	2105	}
1558		2106
1559	Coro::cede;	2107	$f->resolve_delayed_derefs;
		2108
		2109	cf::cede_to_tick;
1560	# now do the right thing for maps	2110	# now do the right thing for maps
1561	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2113	unless $self->difficulty;
1564	Coro::cede;	2114	cf::cede_to_tick;
1565		2115
1566	unless ($self->{deny_activate}) {	2116	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2117	$self->decay_objects;
1568	$self->fix_auto_apply;	2118	$self->fix_auto_apply;
1569	$self->update_buttons;	2119	$self->update_buttons;
1570	Coro::cede;	2120	cf::cede_to_tick;
1571	$self->set_darkness_map;	2121	$self->set_darkness_map;
1572	Coro::cede;	2122	cf::cede_to_tick;
1573	$self->activate;	2123	$self->activate;
1574	}	2124	}
1575		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2130	}
1578		2131
1579	$self->post_load;	2132	$self->post_load;
1580	}	2133	}
1581		2134
…		…
1583	my ($self, $ob) = @_;	2136	my ($self, $ob) = @_;
1584		2137
1585	return find "~" . $ob->name . "/" . $self->{path}	2138	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2139	if $self->per_player;
1587		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
1588	$self	2144	$self
1589	}	2145	}
1590		2146
1591	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2148	sub load_neighbours {
1593	my ($map) = @_;	2149	my ($map) = @_;
1594		2150
1595	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1596		2152
1597	for (0 .. 3) {	2153	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1599	or next;	2155	or next;
1600	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1601	or next;	2157	or next;
1602	$neigh->load;	2158	$neigh->load;
1603		2159
		2160	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2163	}
1607		2164
1608	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1610	or next;	2168	or next;
1611	$neigh->load;	2169	$neigh->load;
1612	}	2170	}
1613	}	2171	}
1614		2172
…		…
1619	}	2177	}
1620		2178
1621	sub do_load_sync {	2179	sub do_load_sync {
1622	my ($map) = @_;	2180	my ($map) = @_;
1623		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1624	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1625	}	2186	}
1626		2187
1627	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1629		2190
1630	sub find_async {	2191	sub find_async {
1631	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1632		2193
1633	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1634		2195
1635	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2198	}
1638		2199
1639	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1640	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1641	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2207	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2208	$map->load if $v;
		2209	}
1646		2210
1647	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1648	}	2212	}
1649	}	2213	}
1650	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1651	};	2215	};
1652	$MAP_PREFETCHER->prio (6);	2216	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2219	}
1656		2220
1657	sub save {	2221	sub save {
1658	my ($self) = @_;	2222	my ($self) = @_;
1659		2223
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2225
1662	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1663		2227
1664	return unless $self->dirty;	2228	return unless $self->dirty;
1665		2229
…		…
1671	return if $self->{deny_save};	2235	return if $self->{deny_save};
1672		2236
1673	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1674		2238
1675	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1677	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1678		2245
1679	if ($uniq) {	2246	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2249	} else {
…		…
1688	my ($self) = @_;	2255	my ($self) = @_;
1689		2256
1690	# save first because save cedes	2257	# save first because save cedes
1691	$self->save;	2258	$self->save;
1692		2259
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2261
1695	return if $self->players;	2262	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2264	return if $self->{deny_save};
1698		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2270	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2271	}
1702		2272
1703	sub reset_at {	2273	sub reset_at {
1704	my ($self) = @_;	2274	my ($self) = @_;
1705		2275
1706	# TODO: safety, remove and allow resettable per-player maps	2276	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2277	return 1e99 if $self->{deny_reset};
1709		2278
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2281
…		…
1723	my ($self) = @_;	2292	my ($self) = @_;
1724		2293
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2295
1727	return if $self->players;	2296	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2297
1730	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
1731		2299
1732	$self->in_memory (cf::MAP_SWAPPED);	2300	$self->in_memory (cf::MAP_SWAPPED);
1733		2301
1734	# need to save uniques path	2302	# need to save uniques path
1735	unless ($self->{deny_save}) {	2303	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2307	if $uniq;
1740	}	2308	}
1741		2309
1742	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1743		2311
		2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2314	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2315
1748	$self->unlink_save;	2316	$self->unlink_save;
1749	$self->destroy;	2317	$self->destroy;
1750	}	2318	}
1751		2319
1752	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1753		2321
1754	sub nuke {	2322	sub nuke {
1755	my ($self) = @_;	2323	my ($self) = @_;
1756		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1757	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1758		2329
1759	$self->unlink_save;	2330	$self->unlink_save;
1760		2331
1761	bless $self, "cf::map";	2332	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2337
1767	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1768		2340
1769	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
		2342	}
		2343
		2344	=item $maps = cf::map::tmp_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1770	}	2378	}
1771		2379
1772	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1773		2381
1774	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2383	instantiated unique items. May block.
1776		2384
1777	=cut	2385	=cut
1778		2386
1779	sub unique_maps() {	2387	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2388	[
1781	or return;	2389	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2390	utf8::decode $_;
1787	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2393	? ()
1790	push @paths, cf::map::normalise $_;	2394	: normalise $_
		2395	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2396	]
1792
1793	\@paths
1794	}	2397	}
1795
1796	package cf;
1797		2398
1798	=back	2399	=back
1799		2400
1800	=head3 cf::object	2401	=head3 cf::object
1801		2402
…		…
1805		2406
1806	=over 4	2407	=over 4
1807		2408
1808	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1809		2410
1810	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1811		2413
1812	=cut	2414	=cut
1813		2415
1814	sub inv_recursive_;	2416	sub inv_recursive_;
1815	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1818		2420
1819	sub inv_recursive {	2421	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1821	}	2423	}
1822		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1823	package cf;	2453	package cf;
1824		2454
1825	=back	2455	=back
1826		2456
1827	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2464	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1836		2466
1837	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1838		2482
1839	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2484	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1844		2488
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2490
1847	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1849	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1852	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1853	}	2516	}
1854		2517
1855	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1856		2519
1857	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1905		2568
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2570
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1910		2573
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2575	}
1913		2576
1914	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1916		2581
1917	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1918		2583
1919	unless ($map) {	2584	unless ($map) {
1920	# restore original map position	2585	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1937		2602
1938	$map->load;	2603	$map->load;
1939	$map->load_diag;	2604	$map->load_neighbours;
1940		2605
1941	return unless $self->contr->active;	2606	return unless $self->contr->active;
1942	$self->activate_recursive;	2607	$self->activate_recursive;
1943		2608
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1946	}	2611	}
1947		2612
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2614
1982	Moves the player to the given map-path and coordinates by first freezing	2615	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2616	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2617	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2618	the new (success) or old (failed) map position. In either case, $done will
		2619	be called at the end of this process.
1986		2620
1987	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1988		2624
1989	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
		2627
		2628	# do generation counting so two concurrent goto's will be executed in-order
		2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2630
1992	$self->enter_link;	2631	$self->enter_link;
1993		2632
1994	(async {	2633	(async {
		2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
1995	my $map = eval {	2655	my $map = eval {
1996	my $map = cf::map::find $path;	2656	my $map = defined $path ? cf::map::find $path : undef;
1997		2657
1998	if ($map) {	2658	if ($map) {
1999	$map = $map->customise_for ($self);	2659	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2660	$map = $check->($map) if $check && $map;
2001	} else {	2661	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2663	}
2004		2664
2005	$map	2665	$map
2006	};	2666	};
2007		2667
2008	if ($@) {	2668	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2669	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2670	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2671	}
2012		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
2014	})->prio (1);	2679	})->prio (1);
2015	}	2680	}
2016		2681
2017	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
2018		2683
…		…
2038	}	2703	}
2039		2704
2040	sub prepare_random_map {	2705	sub prepare_random_map {
2041	my ($exit) = @_;	2706	my ($exit) = @_;
2042		2707
2043	my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
2046	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
2047	# that depends on the exit object	2710	# that depends on the exit object
2048		2711
2049	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
…		…
2051	if ($exit->map) {	2714	if ($exit->map) {
2052	$rmp->{region} = $exit->region->name;	2715	$rmp->{region} = $exit->region->name;
2053	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
2054	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
2055	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
2056	}	2721	}
2057		2722
2058	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
2059		2724
2060	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
2062	my $meta = "$RANDOMDIR/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
2063		2728
2064	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
2066	undef $fh;	2731	undef $fh;
2067	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
2068		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
2069	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
2070	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
2071	}	2740	}
2072	}	2741	}
2073		2742
2074	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
2075	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
2076		2745
2077	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
2078		2747
2079	if ($exit->slaying eq "/!") {
2080	#TODO: this should de-fi-ni-te-ly not be a sync-job
2081	# the problem is that $exit might not survive long enough
2082	# so it needs to be done right now, right here
2083	cf::sync_job { prepare_random_map $exit };
2084	}
2085
2086	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;
2089
2090	$self->enter_link;	2748	$self->enter_link;
2091		2749
2092	(async {	2750	(async {
2093	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
2094	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
		2760	prepare_random_map $exit
		2761	if $exit->slaying eq "/!";
		2762	}
		2763
		2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
		2767
2095	$self->goto ($slaying, $hp, $sp);	2768	$self->goto ($map, $x, $y);
2096		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
2097	1;	2774	1
2098	}) {	2775	}) {
2099	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
2100	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
2101	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
2102	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2123		2800
2124	utf8::encode $text;	2801	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2803	}
2127		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
2128	=item $client->ext_event ($type, %msg)	2935	=item $client->ext_msg ($type, @msg)
2129		2936
2130	Sends an exti event to the client.	2937	Sends an ext event to the client.
2131		2938
2132	=cut	2939	=cut
2133		2940
2134	sub cf::client::ext_event($$%) {	2941	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2942	my ($self, $type, @msg) = @_;
2136		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2947	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
2139	}	2968	}
2140		2969
2141	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
2142		2971
2143	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2973	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2975
2147	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2977	become reliable at some point in the future.
2149		2978
2150	=cut	2979	=cut
2151		2980
2152	sub cf::client::query {	2981	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2990	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2992
2164	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
2166	}	2997	}
2167		2998
2168	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
2169	on_reply => sub {	3005	on_reply => sub {
2170	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
2171		3007
2172	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
2173	# get handled first	3009	# get handled first
…		…
2185	} else {	3021	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	3023	}
2188	}	3024	}
2189	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
2190	);	3052	);
2191		3053
2192	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
2193		3055
2194	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2237		3099
2238	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2239		3101
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
2241		3107
2242	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2243		3109
2244	=pod	3110	=pod
2245		3111
2246	The following functions and methods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2247		3113
2248	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
2249	cf::object::player player	3118	cf::object::player
2250	cf::player peaceful	3119	player
2251	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2252		3126
2253	=cut	3127	=cut
2254		3128
2255	for (	3129	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2257	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2260	) {	3136	) {
2261	no strict 'refs';	3137	no strict 'refs';
…		…
2332	=back	3208	=back
2333		3209
2334	=cut	3210	=cut
2335		3211
2336	#############################################################################	3212	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	3213	# the server's init and main functions
2512		3214
2513	sub load_facedata($) {	3215	sub load_facedata($) {
2514	my ($path) = @_;	3216	my ($path) = @_;
		3217
		3218	# HACK to clear player env face cache, we need some signal framework
		3219	# for this (global event?)
		3220	%ext::player_env::MUSIC_FACE_CACHE = ();
		3221
		3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		3223
2516	warn "loading facedata from $path\n";	3224	warn "loading facedata from $path\n";
2517		3225
2518	my $facedata;	3226	my $facedata;
2519	0 < aio_load $path, $facedata	3227	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	3230	$facedata = Coro::Storable::thaw $facedata;
2523		3231
2524	$facedata->{version} == 2	3232	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3234
		3235	# patch in the exptable
		3236	$facedata->{resource}{"res/exp_table"} = {
		3237	type => FT_RSRC,
		3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3239	};
		3240	cf::cede_to_tick;
		3241
2527	{	3242	{
2528	my $faces = $facedata->{faceinfo};	3243	my $faces = $facedata->{faceinfo};
2529		3244
2530	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3247
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3248	cf::face::set_visibility $idx, $info->{visibility};
		3249	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	3252
		3253	cf::cede_to_tick;
2536	}	3254	}
2537		3255
2538	while (my ($face, $info) = each %$faces) {	3256	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3257	next unless $info->{smooth};
		3258
2540	my $idx = cf::face::find $face	3259	my $idx = cf::face::find $face
2541	or next;	3260	or next;
		3261
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3265	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3267	}
2547	Coro::cede;	3268
		3269	cf::cede_to_tick;
2548	}	3270	}
2549	}	3271	}
2550		3272
2551	{	3273	{
2552	my $anims = $facedata->{animinfo};	3274	my $anims = $facedata->{animinfo};
2553		3275
2554	while (my ($anim, $info) = each %$anims) {	3276	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3278	cf::cede_to_tick;
2557	}	3279	}
2558		3280
2559	cf::anim::invalidate_all; # d'oh	3281	cf::anim::invalidate_all; # d'oh
2560	}	3282	}
2561		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3318
2562	1	3319	1
2563	}	3320	}
2564		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
		3350	sub load_resource_file($) {
		3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
2565	sub reload_regions {	3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
2566	load_resource_file "$MAPDIR/regions"	3365	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3366	or die "unable to load regions file\n";
		3367
		3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
2568	}	3372	}
2569		3373
2570	sub reload_facedata {	3374	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3375	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3376	or die "unable to load facedata\n";
…		…
2583	}	3387	}
2584		3388
2585	sub reload_resources {	3389	sub reload_resources {
2586	warn "reloading resource files...\n";	3390	warn "reloading resource files...\n";
2587		3391
2588	reload_regions;
2589	reload_facedata;	3392	reload_facedata;
2590	reload_archetypes;	3393	reload_archetypes;
		3394	reload_regions;
2591	reload_treasures;	3395	reload_treasures;
2592		3396
2593	warn "finished reloading resource files\n";	3397	warn "finished reloading resource files\n";
2594	}	3398	}
2595		3399
2596	sub init {	3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
2597	reload_resources;	3403	reload_resources;
2598	}	3404	}
2599		3405
2600	sub cfg_load {	3406	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3408	or return;
2603		3409
2604	local $/;	3410	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2606		3412
2607	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2608		3414
2609	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2621	sub main {	3427	sub main {
2622	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3431	(async {
2626	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2627	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2628	};	3435	};
2629		3436
2630	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2631	db_init;	3440	db_init;
2632	load_extensions;	3441	load_extensions;
2633		3442
2634	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2635	Event::loop;	3446	EV::loop;
2636	}	3447	}
2637		3448
2638	#############################################################################	3449	#############################################################################
2639	# initialisation and cleanup	3450	# initialisation and cleanup
2640		3451
2641	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2642	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2643	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2644	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2645	reentrant => 0,
2646	data => WF_AUTOCANCEL,
2647	signal => $signal,
2648	prio => 0,
2649	cb => sub {
2650	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2651	},
2652	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2653	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2654	}	3541	}
2655		3542
2656	sub emergency_save() {	3543	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2658		3545
…		…
2664	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2666	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3557	$pl->save;
2670	}	3558	}
2671	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2672		3560
2673	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2679	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2680		3568
2681	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2682	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2683	warn "end emergency database checkpoint\n";	3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2684	};	3576	};
2685		3577
2686	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2687	}	3579	}
2688		3580
…		…
2703	warn "reloading...";	3595	warn "reloading...";
2704		3596
2705	warn "entering sync_job";	3597	warn "entering sync_job";
2706		3598
2707	cf::sync_job {	3599	cf::sync_job {
2708	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2709	cf::emergency_save;	3601	cf::emergency_save;
2710	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2711		3603
2712	warn "syncing database to disk";	3604	warn "syncing database to disk";
2713	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2714		3606
2715	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2716
2717	warn "cancelling all WF_AUTOCANCEL watchers";
2718	for (Event::all_watchers) {
2719	$_->cancel if $_->data & WF_AUTOCANCEL;
2720	}
2721		3608
2722	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2723	for (;;) {	3610	for (;;) {
2724	BDB::flush;	3611	BDB::flush;
2725	IO::AIO::flush;	3612	IO::AIO::flush;
2726	Coro::cede;	3613	Coro::cede_notself;
2727	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2728	warn "iterate...";	3615	warn "iterate...";
2729	}	3616	}
2730		3617
2731	++$RELOAD;	3618	++$RELOAD;
…		…
2735	%EXT_CORO = ();	3622	%EXT_CORO = ();
2736		3623
2737	warn "removing commands";	3624	warn "removing commands";
2738	%COMMAND = ();	3625	%COMMAND = ();
2739		3626
2740	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2742		3630
2743	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2746		3634
…		…
2789	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2790	require cf;	3678	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3680
2793	warn "loading config and database again";	3681	warn "loading config and database again";
2794	cf::cfg_load;	3682	cf::reload_config;
2795		3683
2796	warn "loading extensions";	3684	warn "loading extensions";
2797	cf::load_extensions;	3685	cf::load_extensions;
2798		3686
2799	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
…		…
2806	warn "leaving sync_job";	3694	warn "leaving sync_job";
2807		3695
2808	1	3696	1
2809	} or do {	3697	} or do {
2810	warn $@;	3698	warn $@;
2811	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2812	exit 1;
2813	};	3700	};
2814		3701
2815	warn "reloaded";	3702	warn "reloaded";
2816	};	3703	};
2817		3704
…		…
2819		3706
2820	sub reload_perl() {	3707	sub reload_perl() {
2821	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2822	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2823		3710
2824	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2825	reentrant => 0,
2826	after => 0,
2827	data => WF_AUTOCANCEL,
2828	cb => sub {
2829	do_reload_perl;	3712	do_reload_perl;
2830	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2831	},
2832	);	3714	};
2833	}	3715	}
2834		3716
2835	register_command "reload" => sub {	3717	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2837		3719
2838	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	3724	reload_perl;
		3725	};
2841	}	3726	}
2842	};	3727	};
2843		3728
2844	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2845		3730
…		…
2847		3732
2848	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2849	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2850		3735
2851	sub wait_for_tick {	3736	sub wait_for_tick {
2852	return unless $TICK_WATCHER->is_active;
2853	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2854		3738
2855	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2856	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2857	$signal->wait;	3741	$signal->wait;
2858	}	3742	}
2859		3743
2860	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2861	return unless $TICK_WATCHER->is_active;
2862	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2863		3746
2864	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	3749	$signal->wait;
2867	}	3750	}
2868		3751
2869	my $min = 1e6;#d#	3752	sub tick {
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,
2873	parked => 1,
2874	prio => 0,
2875	at => $NEXT_TICK || $TICK,
2876	data => WF_AUTOCANCEL,
2877	cb => sub {
2878	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2879	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2881	return;	3756	return;
2882	}	3757	}
2883		3758
2884	$NOW = $tick_start = Event::time;
2885
2886	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2887		3760
2888	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890	my $t = Event::time;	3763	Coro::async_pool {
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
2892	or die;	3765	write_runtime_sync
2893		3766	or warn "ERROR: unable to write runtime file: $!";
2894	$map->width (50);
2895	$map->height (50);
2896	$map->alloc;
2897	$map->_load_objects ("/tmp/x.map", 1);
2898	my $t = Event::time - $t;
2899
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};	3767	};
		3768	}
2910		3769
2911	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;
2913
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {
2917	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";
2919	};
2920	}
2921
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	3771	$sig->send;
2927	}	3772	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	3774	$sig->send;
2930	}	3775	}
2931		3776
2932	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934	# if we are delayed by four ticks or more, skip them all
2935	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937	$TICK_WATCHER->at ($NEXT_TICK);
2938	$TICK_WATCHER->start;
2939
2940	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		3779
2943	_post_tick;	3780	if (0) {
2944		3781	if ($NEXT_TICK) {
2945		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
2946	},	3786	}
2947	);	3787	}
2948		3788
2949	{	3789	{
2950	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2951	$BDB_POLL_WATCHER = Event->io (	3791
2952	reentrant => 0,
2953	fd => BDB::poll_fileno,
2954	poll => 'r',
2955	prio => 0,
2956	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,
2958	);
2959	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2960		3793	BDB::max_poll_reqs $TICK * 0.1;
2961	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2962	my $status;
2963	my $current = $Coro::current;
2964	(
2965	sub {
2966	$status = $!;
2967	$current->ready; undef $current;
2968	},
2969	sub {
2970	Coro::schedule while defined $current;
2971	$! = $status;
2972	},
2973	)
2974	};
2975		3795
2976	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		3802
2979	cf::sync_job {	3803	cf::sync_job {
2980	eval {	3804	eval {
2981	BDB::db_env_open	3805	BDB::db_env_open
2982	$DB_ENV,	3806	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	3810	0666;
2987		3811
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	3813	};
2993		3814
2994	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	3816	};
2996	}	3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
2997	}	3828	}
2998		3829
2999	{	3830	{
		3831	# configure IO::AIO
		3832
3000	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
3001
3002	undef $Coro::AIO::WATCHER;
3003	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
3004	$AIO_POLL_WATCHER = Event->io (	3835	#undef $AnyEvent::AIO::WATCHER;
3005	reentrant => 0,
3006	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,
3008	poll => 'r',
3009	prio => 6,
3010	cb => \&IO::AIO::poll_cb,
3011	);
3012	}	3836	}
3013		3837
3014	my $_log_backtrace;	3838	my $_log_backtrace;
3015		3839
3016	sub _log_backtrace {	3840	sub _log_backtrace {
…		…
3020		3844
3021	# limit the # of concurrent backtraces	3845	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	3846	if ($_log_backtrace < 2) {
3023	++$_log_backtrace;	3847	++$_log_backtrace;
3024	async {	3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
3025	my @bt = fork_call {	3851	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	3852	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	3855	or die "addr2line: $!";
…		…
3052	# load additional modules	3878	# load additional modules
3053	use cf::pod;	3879	use cf::pod;
3054		3880
3055	END { cf::emergency_save }	3881	END { cf::emergency_save }
3056		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
3057	1	3885	1
3058		3886

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