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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.320 by root, Tue Jul 24 22:49:40 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
85		118
86	our %CFG;	119	our %CFG;
87		120
88	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
90		124
91	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
94		128
95	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		131
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		140
102	binmode STDOUT;	141	binmode STDOUT;
103	binmode STDERR;	142	binmode STDERR;
104		143
105	# read virtual server time, if available	144	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
110	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
111		152
112	mkdir $_	153	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		155
115	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
158		199
159	The raw value load value from the last tick.	200	The raw value load value from the last tick.
160		201
161	=item %cf::CFG	202	=item %cf::CFG
162		203
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	205	from wherever your confdir points to.
165		206
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		208
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	227	$msg .= "\n"
187	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
188		229
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		231
191	utf8::encode $msg;
192	LOG llevError, $msg;	232	LOG llevError, $msg;
193	};	233	};
194	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
195		250
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	261	for my $pkg (qw(
207	cf::global cf::attachable	262	cf::global cf::attachable
208	cf::object cf::object::player	263	cf::object cf::object::player
209	cf::client cf::player	264	cf::client cf::player
210	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
211	cf::map cf::party cf::region	267	cf::party cf::region
212	)) {	268	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	270	}
216		271
217	$Event::DIED = sub {	272	$EV::DIED = sub {
218	warn "error in event callback: @_";	273	warn "error in event callback: @_";
219	};	274	};
220		275
221	#############################################################################	276	#############################################################################
222		277
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	301	$d
247	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
248	}	303	}
249		304
250	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
251		306
252	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
253		308
254	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
255		310
256	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
257		312
258	=cut	313	=cut
259		314
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		316
262	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
264		333
265	=item cf::lock_wait $string	334	=item cf::lock_wait $string
266		335
267	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
268		337
269	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
270		339
271	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
274	returned.	343	returned.
275		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
276	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
278		350
279	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
280		352
281	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
282		354
283	=cut	355	=cut
284		356
285	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
286		358
287	sub lock_wait($) {	359	sub lock_wait($) {
288	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	361	}
296		362
297	sub lock_acquire($) {	363	sub lock_acquire($) {
298	my ($key) = @_;	364	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	365	}
310		366
311	sub lock_active($) {	367	sub lock_active($) {
312	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	369	}
316		370
317	sub freeze_mainloop {	371	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
319		373
320	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	375	}
322	};	376
323	$TICK_WATCHER->stop;	377	=item cf::periodic $interval, $cb
324	$guard	378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
325	}	390	}
326		391
327	=item cf::get_slot $time[, $priority[, $name]]	392	=item cf::get_slot $time[, $priority[, $name]]
328		393
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	405	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	406	our $SLOT_QUEUE;
342		407
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
345	my $signal = new Coro::Signal;	412	my $signal = new Coro::Signal;
346		413
347	while () {	414	while () {
348	next_job:	415	next_job:
349	my $avail = cf::till_tick;	416	my $avail = cf::till_tick;
…		…
357	}	424	}
358	}	425	}
359	}	426	}
360		427
361	if (@SLOT_QUEUE) {	428	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	430	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	431	$signal->wait;
365	} else {	432	} else {
366	Coro::schedule;	433	Coro::schedule;
367	}	434	}
368	}	435	}
369	};	436	};
370		437
371	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
372	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
373		442
374	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
376		445
…		…
390		459
391	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
392		461
393	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
394		463
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	467	acceptable.
399		468
400	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		475
407	sub sync_job(&) {	476	sub sync_job(&) {
408	my ($job) = @_;	477	my ($job) = @_;
409		478
410	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	480	my $time = EV::time;
412		481
413	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
415		484
416	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	486
418	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
419		488
420	my $busy = 1;	489	my $busy = 1;
421	my @res;	490	my @res;
422		491
423	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	494	@res = eval { $job->() };
425	warn $@ if $@;	495	warn $@ if $@;
426	undef $busy;	496	undef $busy;
427	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
428		498
429	while ($busy) {	499	while ($busy) {
430	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
431	}	504	}
		505	}
432		506
433	$time = Event::time - $time;	507	my $time = EV::time - $time;
434		508
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
439		510
440	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
441	} else {	512	} else {
442	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
443		514
…		…
468	=item fork_call { }, $args	539	=item fork_call { }, $args
469		540
470	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
474		545
475	=cut	546	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		547
486	sub fork_call(&@) {	548	sub fork_call(&@) {
487	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
488		550
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	551	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	552	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	553	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		554
494	if (my $pid = fork) {	555	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	556	reset_signals;
508	local $SIG{__WARN__};	557	&$cb
509	local $SIG{__DIE__};	558	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		559
516	eval {	560	wantarray ? @res : $res[-1]
517	close $fh1;	561	}
518		562
519	my @res = eval { $cb->(@args) };	563	=item $coin = coin_from_name $name
520		564
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	565	=cut
522	close $fh2;
523	};
524		566
525	warn $@ if $@;	567	our %coin_alias = (
526	_exit 0;	568	"silver" => "silvercoin",
527	}	569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
528	}	588	}
529		589
530	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
531		591
532	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
535		595
536	Stores the given C<$value> in the family. It can currently store binary	596	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
539	=cut	604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
540		622
541	our $DB;	623	our $DB;
542		624
543	sub db_init {	625	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	626	cf::sync_job {
548	eval {	627	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	628	};
558	}	629	}
559		630
560	sub db_get($$) {	631	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
562		633
…		…
612	if (1) {	683	if (1) {
613	$md5 =	684	$md5 =
614	join "\x00",	685	join "\x00",
615	$processversion,	686	$processversion,
616	map {	687	map {
617	Coro::cede;	688	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	689	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	690	} 0.. $#$src;
620		691
621		692
622	my $dbmd5 = db_get cache => "$id/md5";	693	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		731
661	#############################################################################	732	#############################################################################
662		733
663	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
664		735
665	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
668		739
669	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	742	Deliantra).
672		743
673	=over 4	744	=over 4
674		745
675	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
676		747
…		…
720	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
721		792
722	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
724		795
725	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
727		798
728	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
729		800
730	=over 4	801	=over 4
…		…
958	}	1029	}
959		1030
960	0	1031	0
961	}	1032	}
962		1033
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1035
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1037
967	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
968		1039
…		…
974		1045
975	=cut	1046	=cut
976		1047
977	#############################################################################	1048	#############################################################################
978	# object support	1049	# object support
979	#
980		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
981	sub _can_merge {	1084	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1085	my ($ob1, $ob2) = @_;
983		1086
984	local $Storable::canonical = 1;	1087	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1088
988	$fob1 eq $fob2	1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
989	}	1091	}
990		1092
991	sub reattach {	1093	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1095	my ($obj) = @_;
994		1096
		1097	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1099
997	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
998		1101
999	@$registry = ();	1102	@$registry = ();
1000		1103
…		…
1015	cf::attachable->attach (	1118	cf::attachable->attach (
1016	prio => -1000000,	1119	prio => -1000000,
1017	on_instantiate => sub {	1120	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
1019		1122
1020	$data = from_json $data;	1123	$data = decode_json $data;
1021		1124
1022	for (@$data) {	1125	for (@$data) {
1023	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
1024		1127
1025	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1144	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
1043		1146
1044	sync_job {	1147	sync_job {
1045	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1048		1152
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
1053	close $fh;	1160	aio_close $fh;
1054		1161
1055	if (@$objs) {	1162	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
1061	close $fh;	1171	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1173	}
1064	} else {	1174	} else {
1065	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
1066	}	1176	}
1067		1177
1068	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1182	} else {
1070	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
1071	}	1184	}
1072	} else {	1185	} else {
1073	aio_unlink $filename;	1186	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
1075	}	1188	}
1076	}	1189	};
1077	}	1190	}
1078		1191
1079	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
1081		1194
…		…
1093	or return;	1206	or return;
1094		1207
1095	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1210	or return;
		1211
1098	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
1099	}	1214	}
1100		1215
		1216	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1218	$decname, length $data, scalar @{$av || []};
		1219
1103	return ($data, $av);	1220	($data, $av)
1104	}	1221	}
1105		1222
1106	=head2 COMMAND CALLBACKS	1223	=head2 COMMAND CALLBACKS
1107		1224
1108	=over 4	1225	=over 4
…		…
1162	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1163		1280
1164	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1165	}	1282	}
1166		1283
		1284	use File::Glob ();
		1285
1167	cf::player->attach (	1286	cf::player->attach (
1168	on_command => sub {	1287	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1170		1289
1171	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1186	my ($type, $reply, @payload) =	1305	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1306	"ARRAY" eq ref $msg
1188	? @$msg	1307	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1309
		1310	my @reply;
		1311
1191	if (my $cb = $EXTCMD{$type}) {	1312	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1313	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
1197	} else {	1319	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1321	}
1200		1322
1201	cf::override;	1323	cf::override;
1202	},	1324	},
1203	);	1325	);
		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
1204		1339
1205	sub load_extensions {	1340	sub load_extensions {
1206	cf::sync_job {	1341	cf::sync_job {
1207	my %todo;	1342	my %todo;
1208		1343
…		…
1228		1363
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1366
1232	$ext{source} =	1367	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1235	. $source	1370	. $source
1236	. "\n};\n1";	1371	. "\n};\n1";
1237		1372
1238	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1389	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1390	: "$v->{base}: extension inactive.\n";
1256		1391
1257	if (exists $v->{meta}{mandatory}) {	1392	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1393	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1394	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1395	}
1262		1396
1263	warn $msg;	1397	warn $msg;
1264	}	1398	}
1265		1399
…		…
1279		1413
1280	=back	1414	=back
1281		1415
1282	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1283		1417
1284	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1285		1419
1286	=cut	1420	=cut
1287		1421
1288	package cf::player;	1422	package cf::player;
1289		1423
1290	use Coro::AIO;	1424	use Coro::AIO;
1291		1425
1292	=head3 cf::player	1426	=head3 cf::player
1293		1427
1294	=over 4	1428	=over 4
		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
1295		1443
1296	=item cf::player::find $login	1444	=item cf::player::find $login
1297		1445
1298	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
1299		1447
…		…
1318		1466
1319	sub exists($) {	1467	sub exists($) {
1320	my ($login) = @_;	1468	my ($login) = @_;
1321		1469
1322	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1324	}	1472	}
1325		1473
1326	sub find($) {	1474	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1476	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1487
1340	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1343	}	1497	}
1344	}	1498	}
1345	}	1499	}
1346		1500
…		…
1355	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1356		1510
1357	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1359		1513
		1514	cf::get_slot 0.01;
		1515
1360	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1361	Coro::cede;	1517	cf::cede_to_tick;
1362	}	1518	}
1363		1519
1364	sub new($) {	1520	sub new($) {
1365	my ($login) = @_;	1521	my ($login) = @_;
1366		1522
…		…
1372	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1373		1529
1374	$self	1530	$self
1375	}	1531	}
1376		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1377	=item $pl->quit_character	1543	=item $pl->quit_character
1378		1544
1379	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1381		1547
…		…
1385	my ($pl) = @_;	1551	my ($pl) = @_;
1386		1552
1387	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1388		1554
1389	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1557
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1396		1564
1397	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1602	or return [];
1435		1603
1436	my @logins;	1604	my @logins;
1437		1605
1438	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1442		1616
1443	utf8::decode $login;	1617	utf8::decode $login;
1444	push @logins, $login;	1618	push @logins, $login;
1445	}	1619	}
1446		1620
…		…
1473	}	1647	}
1474		1648
1475	\@paths	1649	\@paths
1476	}	1650	}
1477		1651
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1653
1480	Expand crossfire pod fragments into protocol xml.	1654	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1655
1528	=item $player->ext_reply ($msgid, @msg)	1656	=item $player->ext_reply ($msgid, @msg)
1529		1657
1530	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1531		1659
1532	=cut	1660	=cut
1533		1661
1534	sub ext_reply($$@) {	1662	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1663	my ($self, $id, @msg) = @_;
1536		1664
1537	if ($self->ns->extcmd == 2) {	1665	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1666	}
1545		1667
1546	=item $player->ext_msg ($type, @msg)	1668	=item $player->ext_msg ($type, @msg)
1547		1669
1548	Sends an ext event to the client.	1670	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1606		1728
1607	sub generate_random_map {	1729	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1609	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1735	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1735		1860
1736	# the temporary/swap location	1861	# the temporary/swap location
1737	sub save_path {	1862	sub save_path {
1738	my ($self) = @_;	1863	my ($self) = @_;
1739		1864
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1742	}	1867	}
1743		1868
1744	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1745	sub uniq_path {	1870	sub uniq_path {
1746	my ($self) = @_;	1871	my ($self) = @_;
1747		1872
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1875	}
1760		1876
1761	sub decay_objects {	1877	sub decay_objects {
1762	my ($self) = @_;	1878	my ($self) = @_;
1763		1879
…		…
1776		1892
1777	sub load_header_from($) {	1893	sub load_header_from($) {
1778	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1779		1895
1780	utf8::encode $path;	1896	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1786		1905
1787	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1788		1907
1789	1	1908	1
1790	}	1909	}
…		…
1844	sub find {	1963	sub find {
1845	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1846		1965
1847	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1848		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1850		1970
1851	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1854	or return;	1973	or return;
1855		1974
1856	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1857		1976
…		…
1859	or return;	1978	or return;
1860		1979
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1864	$map->reset;	1985	$map->reset;
1865	undef $guard;
1866	return find $path;	1986	return find $path;
1867	}	1987	}
1868		1988
1869	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1870	}	1990	}
…		…
1879	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1880		2000
1881	my $path = $self->{path};	2001	my $path = $self->{path};
1882		2002
1883	{	2003	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1885		2005
		2006	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2008
1888	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1889		2010
1890	$self->alloc;	2011	$self->alloc;
1891		2012
1892	$self->pre_load;	2013	$self->pre_load;
1893	Coro::cede;	2014	cf::cede_to_tick;
1894		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2018	$self->_load_objects ($f)
1896	or return;	2019	or return;
1897		2020
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1899	if delete $self->{load_original};	2022	if delete $self->{load_original};
1900		2023
1901	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2025	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2028	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1906	}	2032	}
1907	}	2033	}
1908		2034
1909	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1910	# now do the right thing for maps	2038	# now do the right thing for maps
1911	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2041	unless $self->difficulty;
1914	Coro::cede;	2042	cf::cede_to_tick;
1915		2043
1916	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2045	$self->decay_objects;
1918	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
1919	$self->update_buttons;	2047	$self->update_buttons;
1920	Coro::cede;	2048	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2049	$self->activate;
1924	}	2050	}
1925		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2056	}
1928		2057
1929	$self->post_load;	2058	$self->post_load;
1930	}	2059	}
1931		2060
…		…
1940		2069
1941	$self	2070	$self
1942	}	2071	}
1943		2072
1944	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2074	sub load_neighbours {
1946	my ($map) = @_;	2075	my ($map) = @_;
1947		2076
1948	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1949		2078
1950	for (0 .. 3) {	2079	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1952	or next;	2081	or next;
1953	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1954	or next;	2083	or next;
1955	$neigh->load;	2084	$neigh->load;
1956		2085
		2086	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2089	}
1960		2090
1961	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1963	or next;	2094	or next;
1964	$neigh->load;	2095	$neigh->load;
1965	}	2096	}
1966	}	2097	}
1967		2098
…		…
1972	}	2103	}
1973		2104
1974	sub do_load_sync {	2105	sub do_load_sync {
1975	my ($map) = @_;	2106	my ($map) = @_;
1976		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1977	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1978	}	2112	}
1979		2113
1980	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1982		2116
1983	sub find_async {	2117	sub find_async {
1984	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1985		2119
1986	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1987		2121
1988	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2124	}
1991		2125
1992	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1993	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1994	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2133	if (my $map = find $k) {
1997	$map->load;	2134	$map->load if $v;
1998	}	2135	}
1999		2136
2000	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
2001	}	2138	}
2002	}	2139	}
2003	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
2004	};	2141	};
2005	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
2008	}	2145	}
2009		2146
2010	sub save {	2147	sub save {
2011	my ($self) = @_;	2148	my ($self) = @_;
2012		2149
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
2014		2151
2015	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
2016		2153
2017	return unless $self->dirty;	2154	return unless $self->dirty;
2018		2155
…		…
2024	return if $self->{deny_save};	2161	return if $self->{deny_save};
2025		2162
2026	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
2027		2164
2028	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
2030	};	2168	};
		2169
		2170	cf::get_slot 0.02;
2031		2171
2032	if ($uniq) {	2172	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2175	} else {
…		…
2041	my ($self) = @_;	2181	my ($self) = @_;
2042		2182
2043	# save first because save cedes	2183	# save first because save cedes
2044	$self->save;	2184	$self->save;
2045		2185
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2187
2048	return if $self->players;	2188	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
2050	return if $self->{deny_save};	2190	return if $self->{deny_save};
2051		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
2052	$self->clear;	2196	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2197	}
2055		2198
2056	sub reset_at {	2199	sub reset_at {
2057	my ($self) = @_;	2200	my ($self) = @_;
2058		2201
…		…
2090	if $uniq;	2233	if $uniq;
2091	}	2234	}
2092		2235
2093	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
2094		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2240	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2241
2099	$self->unlink_save;	2242	$self->unlink_save;
2100	$self->destroy;	2243	$self->destroy;
2101	}	2244	}
2102		2245
2103	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
2104		2247
2105	sub nuke {	2248	sub nuke {
2106	my ($self) = @_;	2249	my ($self) = @_;
2107		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
2108	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
2109		2255
2110	$self->unlink_save;	2256	$self->unlink_save;
2111		2257
2112	bless $self, "cf::map";	2258	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2263
2118	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
2119		2266
2120	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
2121	}	2268	}
2122		2269
2123	=item $maps = cf::map::tmp_maps	2270	=item $maps = cf::map::tmp_maps
…		…
2165		2312
2166	sub unique_maps() {	2313	sub unique_maps() {
2167	[	2314	[
2168	map {	2315	map {
2169	utf8::decode $_;	2316	utf8::decode $_;
2170	/\.map$/	2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
2171	? normalise $_	2320	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2321	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2322	]
2175	}	2323	}
2176		2324
2177	package cf;
2178
2179	=back	2325	=back
2180		2326
2181	=head3 cf::object	2327	=head3 cf::object
2182		2328
2183	=cut	2329	=cut
…		…
2186		2332
2187	=over 4	2333	=over 4
2188		2334
2189	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
2190		2336
2191	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
2192		2339
2193	=cut	2340	=cut
2194		2341
2195	sub inv_recursive_;	2342	sub inv_recursive_;
2196	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
2199		2346
2200	sub inv_recursive {	2347	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
2202	}	2349	}
2203		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
2204	package cf;	2379	package cf;
2205		2380
2206	=back	2381	=back
2207		2382
2208	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
2217		2392
2218	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
2219		2408
2220	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2410	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2424	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2426
2238	} else {	2427	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2430	}
2242	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
2243	}	2442	}
2244		2443
2245	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
2246		2445
2247	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
2260		2459
2261	=item $player_object->enter_link	2460	=item $player_object->enter_link
2262		2461
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2463
2265	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2267		2468
2268	Will never block.	2469	Will never block.
2269		2470
2270	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2271		2472
…		…
2326	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
2329		2530
2330	$map->load;	2531	$map->load;
2331	$map->load_diag;	2532	$map->load_neighbours;
2332		2533
2333	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2334	$self->activate_recursive;	2536	$self->activate_recursive;
2335		2537
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2338	}	2540	}
…		…
2343	her, loading and preparing them map, calling the provided $check callback	2545	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2546	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2547	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2548	be called at the end of this process.
2347		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
		2552
2348	=cut	2553	=cut
2349		2554
2350	our $GOTOGEN;	2555	our $GOTOGEN;
2351		2556
2352	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2562
2358	$self->enter_link;	2563	$self->enter_link;
2359		2564
2360	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
2361	my $map = eval {	2587	my $map = eval {
2362	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
2363		2589
2364	if ($map) {	2590	if ($map) {
2365	$map = $map->customise_for ($self);	2591	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2592	$map = $check->($map) if $check && $map;
2367	} else {	2593	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2595	}
2370		2596
2371	$map	2597	$map
2372	};	2598	};
2373		2599
…		…
2409	}	2635	}
2410		2636
2411	sub prepare_random_map {	2637	sub prepare_random_map {
2412	my ($exit) = @_;	2638	my ($exit) = @_;
2413		2639
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2642	# that depends on the exit object
2419		2643
2420	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2646	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2427	}	2653	}
2428		2654
2429	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2430		2656
2431	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2434		2660
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2663	undef $fh;
2438	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2439		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2442	}	2672	}
2443	}	2673	}
2444		2674
2445	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2447		2677
2448	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2449		2679
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2680	$self->enter_link;
2462		2681
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2682	(async {
2468	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2469	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2470	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2471		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2472	1;	2706	1
2473	}) {	2707	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2712
2479	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2741	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2742	the message unless the client supports the msg packet.
2509		2743
2510	=cut	2744	=cut
2511		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
2512	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2850
2515	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
2516		2853
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
2519	if (ref $channel) {	2863	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	2864	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	2865	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	2866	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	2867	$self->ext_msg (channel_info => $channel);
2524	}	2868	}
…		…
2526	$channel = $channel->{id};	2870	$channel = $channel->{id};
2527	}	2871	}
2528		2872
2529	return unless @extra || length $msg;	2873	return unless @extra || length $msg;
2530		2874
2531	if ($self->can_msg) {	2875	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	2877	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		2878
2544	if ($color >= 0) {	2879	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	2880	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	2882	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2883
2549	$self->send_packet ("drawinfo $color $msg")	2884	# try lzf for large packets
2550	}	2885	$pkt = "lzf " . Compress::LZF::compress $pkt
2551	}	2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
2552	}	2892	}
		2893
		2894	$self->send_packet ($pkt);
2553	}	2895	}
2554		2896
2555	=item $client->ext_msg ($type, @msg)	2897	=item $client->ext_msg ($type, @msg)
2556		2898
2557	Sends an ext event to the client.	2899	Sends an ext event to the client.
…		…
2559	=cut	2901	=cut
2560		2902
2561	sub cf::client::ext_msg($$@) {	2903	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	2904	my ($self, $type, @msg) = @_;
2563		2905
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	2906	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	2908	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	2929	}
2572	}	2930	}
2573		2931
2574	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
…		…
2636	my ($type, $reply, @payload) =	2994	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	2995	"ARRAY" eq ref $msg
2638	? @$msg	2996	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		2998
		2999	my @reply;
		3000
2641	if (my $cb = $EXTICMD{$type}) {	3001	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3002	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2647	} else {	3008	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3010	}
2650		3011
2651	cf::override;	3012	cf::override;
…		…
2698	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2700		3061
2701	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2702		3063
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2704		3069
2705	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2706		3071
2707	=pod	3072	=pod
2708		3073
2709	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2710		3075
2711	cf::object	3076	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3077	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3078	insert remove name archname title slaying race decrease split
		3079	value
2714		3080
2715	cf::object::player	3081	cf::object::player
2716	player	3082	player
2717		3083
2718	cf::player	3084	cf::player
…		…
2723		3089
2724	=cut	3090	=cut
2725		3091
2726	for (	3092	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2732	) {	3099	) {
2733	no strict 'refs';	3100	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2752	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2753		3120
2754	my $qcode = $code;	3121	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2757		3126
2758	local $_;	3127	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2760		3129
2761	my $eval =	3130	my $eval =
…		…
2809	# the server's init and main functions	3178	# the server's init and main functions
2810		3179
2811	sub load_facedata($) {	3180	sub load_facedata($) {
2812	my ($path) = @_;	3181	my ($path) = @_;
2813		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
2814	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2815		3190
2816	my $facedata;	3191	my $facedata;
2817	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3193	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2821		3196
2822	$facedata->{version} == 2	3197	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2825	{	3207	{
2826	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2827		3209
2828	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2830	cf::face::set_visibility $idx, $info->{visibility};	3213	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3217
2835	cf::cede_to_tick;	3218	cf::cede_to_tick;
2836	}	3219	}
2837		3220
2838	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2840	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2841	or next;	3225	or next;
		3226
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3230	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3248
2864	{	3249	{
2865	# TODO: for gcfclient pleasure, we should give resources	3250	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3251	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3252	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	if (my $soundconf = delete $res->{"res/sound.conf"}) {
2871	$soundconf = $enc->decode (delete $soundconf->{data});
2872	# todo
2873	}
2874		3253
2875	while (my ($name, $info) = each %$res) {	3254	while (my ($name, $info) = each %$res) {
2876	my $meta = $enc->encode ({	3255	if (defined $info->{type}) {
2877	name => $name,
2878	%{ $info->{meta} || {} },
2879	});
2880
2881	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
2882		3258
2883	if ($info->{type} & 1) {	3259	if ($info->{type} & 1) {
2884	# prepend meta info	3260	# prepend meta info
2885		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
2886	my $data = pack "(w/a*)*", $meta, $info->{data};	3267	$data = pack "(w/a*)*", $meta, $info->{data};
2887	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3268	} else {
		3269	$data = $info->{data};
		3270	}
2888		3271
2889	cf::face::set_data $idx, 0, $data, $chk;	3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
2890	} else {	3274	} else {
2891	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3275	$RESOURCE{$name} = $info;
2892	}	3276	}
2893		3277
2894	cf::face::set_type $idx, $info->{type};
2895
2896	cf::cede_to_tick;	3278	cf::cede_to_tick;
2897	}	3279	}
2898	}	3280	}
2899		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2900	1	3284	1
2901	}	3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
2902		3306
2903	register_exticmd fx_want => sub {	3307	register_exticmd fx_want => sub {
2904	my ($ns, $want) = @_;	3308	my ($ns, $want) = @_;
2905		3309
2906	while (my ($k, $v) = each %$want) {	3310	while (my ($k, $v) = each %$want) {
2907	$ns->fx_want ($k, $v);	3311	$ns->fx_want ($k, $v);
2908	}	3312	}
2909	};	3313	};
2910		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2911	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2912	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2913	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
2914		3332
2915	for (cf::region::list) {	3333	for (cf::region::list) {
2916	$_->{match} = qr/$_->{match}/	3334	$_->{match} = qr/$_->{match}/
…		…
2924	}	3342	}
2925		3343
2926	sub reload_archetypes {	3344	sub reload_archetypes {
2927	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
2928	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
2929	#d# NEED to laod twice to resolve forward references
2930	# this really needs to be done in an extra post-pass
2931	# (which needs to be synchronous, so solve it differently)
2932	load_resource_file "$DATADIR/archetypes"
2933	or die "unable to load archetypes\n";
2934	}	3347	}
2935		3348
2936	sub reload_treasures {	3349	sub reload_treasures {
2937	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
2938	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
2939	}	3352	}
2940		3353
2941	sub reload_resources {	3354	sub reload_resources {
2942	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2943		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2944	reload_regions;	3359	reload_regions;
2945	reload_facedata;
2946	#reload_archetypes;#d#
2947	reload_archetypes;
2948	reload_treasures;	3360	reload_treasures;
2949		3361
2950	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2951	}	3363	}
2952		3364
2953	sub init {	3365	sub reload_config {
2954	reload_resources;
2955	}
2956
2957	sub cfg_load {
2958	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2959	or return;	3367	or return;
2960		3368
2961	local $/;	3369	local $/;
2962	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2963		3371
2964	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2965		3373
2966	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2967	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2973	};	3381	};
2974	warn $@ if $@;	3382	warn $@ if $@;
2975	}	3383	}
2976	}	3384	}
2977		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2978	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2979	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2980	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2981	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2982	(async {	3423	(async {
2983	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2984	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2985	};	3427	};
2986		3428
2987	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2988	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2989	load_extensions;	3447	load_extensions;
2990		3448
2991	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2992	Event::loop;	3457	EV::loop;
2993	}	3458	}
2994		3459
2995	#############################################################################	3460	#############################################################################
2996	# initialisation and cleanup	3461	# initialisation and cleanup
2997		3462
2998	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2999	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
3000	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
3001	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3002	reentrant => 0,
3003	data => WF_AUTOCANCEL,
3004	signal => $signal,
3005	prio => 0,
3006	cb => sub {
3007	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
3008	},
3009	);	3469	};
3010	}	3470	}
3011	}	3471	}
3012		3472
3013	sub write_runtime {	3473	sub write_runtime_sync {
3014	my $runtime = "$LOCALDIR/runtime";
3015
3016	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
3017	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
3018		3476
3019	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3020		3478
3021	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
3022		3480
3023	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3024	or return;	3482	or return;
3025		3483
3026	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
3027	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
3028	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
3038	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
3039		3497
3040	close $fh	3498	close $fh
3041	or return;	3499	or return;
3042		3500
3043	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3044	and return;	3502	and return;
3045		3503
3046	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
3047		3505
3048	1	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
3049	}	3557	}
3050		3558
3051	sub emergency_save() {	3559	sub emergency_save() {
3052	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
3053		3561
3054	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
3055		3563
3056	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
3057	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
3058	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
3059	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
3060	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
3061	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
3062	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
3063	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3064	$pl->save;	3578	$pl->save;
3065	}	3579	}
3066	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
3067		3581
3068	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
3069	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
3070	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
3071	$map->valid or next;	3585	$map->valid or next;
3072	$map->save;	3586	$map->save;
3073	}	3587	}
3074	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
3075		3589
3076	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
3077	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
3078	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
3079	};	3597	};
3080		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
3081	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
3082	}	3605	}
3083		3606
3084	sub post_cleanup {	3607	sub post_cleanup {
3085	my ($make_core) = @_;	3608	my ($make_core) = @_;
3086		3609
3087	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
3088	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
3089	}	3641	}
3090		3642
3091	sub do_reload_perl() {	3643	sub do_reload_perl() {
3092	# can/must only be called in main	3644	# can/must only be called in main
3093	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
3094	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
3095	return;	3647	return;
3096	}	3648	}
3097		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
3098	warn "reloading...";	3655	warn "reloading...";
3099		3656
3100	warn "entering sync_job";	3657	warn "entering sync_job";
3101		3658
3102	cf::sync_job {	3659	cf::sync_job {
3103	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
3104	cf::emergency_save;	3661	cf::emergency_save;
3105	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
3106		3663
3107	warn "syncing database to disk";	3664	warn "syncing database to disk";
3108	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
3109		3666
3110	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
3111		3668
3112	warn "cancelling all WF_AUTOCANCEL watchers";
3113	for (Event::all_watchers) {
3114	$_->cancel if $_->data & WF_AUTOCANCEL;
3115	}
3116
3117	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
3118	for (;;) {
3119	BDB::flush;
3120	IO::AIO::flush;
3121	Coro::cede;
3122	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
3123	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3124	}
3125
3126	++$RELOAD;
3127
3128	warn "cancelling all extension coros";
3129	$_->cancel for values %EXT_CORO;
3130	%EXT_CORO = ();
3131
3132	warn "removing commands";
3133	%COMMAND = ();
3134
3135	warn "removing ext/exti commands";
3136	%EXTCMD = ();
3137	%EXTICMD = ();
3138
3139	warn "unloading/nuking all extensions";
3140	for my $pkg (@EXTS) {
3141	warn "... unloading $pkg";
3142
3143	if (my $cb = $pkg->can ("unload")) {
3144	eval {
3145	$cb->($pkg);
3146	1
3147	} or warn "$pkg unloaded, but with errors: $@";
3148	}	3672	}
3149		3673
3150	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
3151	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
3152	}	3676	%EXT_CORO = ();
3153		3677
3154	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
3155	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
3156	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3157		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
3158	warn "... unloading $k";	3687	warn "... unloading $pkg";
3159	delete $INC{$k};
3160		3688
3161	$k =~ s/\.pm$//;
3162	$k =~ s/\//::/g;
3163
3164	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
3165	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
3166	}	3698	}
3167		3699
3168	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
3169	}	3715	}
3170		3716
3171	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
3172	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
3173	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3174		3720
3175	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
3176	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
3177	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3178		3724
3179	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
3180	# and global variables created in xs	3726	# and global variables created in xs
3181	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
3182		3728
3183	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
3184		3730
3185	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
3186	require cf;	3732	require cf;
3187	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3188		3734
3189	warn "loading config and database again";	3735	warn "loading config and database again";
3190	cf::cfg_load;	3736	cf::reload_config;
3191		3737
3192	warn "loading extensions";	3738	warn "loading extensions";
3193	cf::load_extensions;	3739	cf::load_extensions;
3194		3740
		3741	if ($REATTACH_ON_RELOAD) {
3195	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3196	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3197	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3198	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3199	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3200	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3201		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3202	warn "leaving sync_job";	3753	warn "leaving sync_job";
3203		3754
3204	1	3755	1
3205	} or do {	3756	} or do {
3206	warn $@;	3757	warn $@;
3207	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3208	exit 1;
3209	};	3759	};
3210		3760
3211	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3212	};	3767	};
3213		3768
3214	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3215		3770
3216	sub reload_perl() {	3771	sub reload_perl() {
3217	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3218	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3219		3774
3220	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
3221	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
3222	after => 0,	3777
3223	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3224	cb => sub {
3225	do_reload_perl;	3779	do_reload_perl;
3226	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
3227	},	3781	};
3228	);	3782	};
3229	}	3783	}
3230		3784
3231	register_command "reload" => sub {	3785	register_command "reload" => sub {
3232	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
3233		3787
3234	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
3235	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
3236	async { reload_perl };	3792	reload_perl;
		3793	};
3237	}	3794	}
3238	};	3795	};
3239		3796
3240	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
3241		3798
…		…
3243		3800
3244	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
3245	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
3246		3803
3247	sub wait_for_tick {	3804	sub wait_for_tick {
3248	return unless $TICK_WATCHER->is_active;
3249	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
3250		3806
3251	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
3252	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
3253	$signal->wait;	3809	$signal->wait;
3254	}	3810	}
3255		3811
3256	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
3257	return unless $TICK_WATCHER->is_active;
3258	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
3259		3814
3260	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
3261	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
3262	$signal->wait;	3817	$signal->wait;
3263	}	3818	}
3264		3819
3265	my $min = 1e6;#d#	3820	sub tick {
3266	my $avg = 10;
3267	$TICK_WATCHER = Event->timer (
3268	reentrant => 0,
3269	parked => 1,
3270	prio => 0,
3271	at => $NEXT_TICK || $TICK,
3272	data => WF_AUTOCANCEL,
3273	cb => sub {
3274	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
3275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3276	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
3277	return;	3824	return;
3278	}	3825	}
3279		3826
3280	$NOW = $tick_start = Event::time;
3281
3282	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
3283		3828
3284	0 && sync_job {#d#	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3285	for(1..10) {	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3286	my $t = Event::time;	3831	Coro::async_pool {
3287	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3832	$Coro::current->{desc} = "runtime saver";
3288	or die;	3833	write_runtime_sync
3289		3834	or warn "ERROR: unable to write runtime file: $!";
3290	$map->width (50);
3291	$map->height (50);
3292	$map->alloc;
3293	$map->_load_objects ("/tmp/x.map", 1);
3294	my $t = Event::time - $t;
3295
3296	#next unless $t < 0.0013;#d#
3297	if ($t < $min) {
3298	$min = $t;
3299	}
3300	$avg = $avg * 0.99 + $t * 0.01;
3301	}
3302	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3303	exit 0;
3304	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3305	};	3835	};
		3836	}
3306		3837
3307	$RUNTIME += $TICK;
3308	$NEXT_TICK += $TICK;
3309
3310	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3311	$NEXT_RUNTIME_WRITE = $NOW + 10;
3312	Coro::async_pool {
3313	write_runtime
3314	or warn "ERROR: unable to write runtime file: $!";
3315	};
3316	}
3317
3318	# my $AFTER = Event::time;
3319	# warn $AFTER - $NOW;#d#
3320
3321	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3322	$sig->send;	3839	$sig->send;
3323	}	3840	}
3324	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
3325	$sig->send;	3842	$sig->send;
3326	}	3843	}
3327		3844
3328	$NOW = Event::time;	3845	$LOAD = ($NOW - $TICK_START) / $TICK;
3329
3330	# if we are delayed by four ticks or more, skip them all
3331	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3332
3333	$TICK_WATCHER->at ($NEXT_TICK);
3334	$TICK_WATCHER->start;
3335
3336	$LOAD = ($NOW - $tick_start) / $TICK;
3337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3338		3847
3339	_post_tick;	3848	if (0) {
3340		3849	if ($NEXT_TICK) {
3341		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
3342	},	3854	}
3343	);	3855	}
3344		3856
3345	{	3857	{
3346	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
3347	$BDB_POLL_WATCHER = Event->io (	3859
3348	reentrant => 0,
3349	fd => BDB::poll_fileno,
3350	poll => 'r',
3351	prio => 0,
3352	data => WF_AUTOCANCEL,
3353	cb => \&BDB::poll_cb,
3354	);
3355	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3356		3861	BDB::max_poll_reqs $TICK * 0.1;
3357	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
3358	my $status;
3359	my $current = $Coro::current;
3360	(
3361	sub {
3362	$status = $!;
3363	$current->ready; undef $current;
3364	},
3365	sub {
3366	Coro::schedule while defined $current;
3367	$! = $status;
3368	},
3369	)
3370	};
3371		3863
3372	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3373	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3374		3871
3375	cf::sync_job {	3872	cf::sync_job {
3376	eval {	3873	eval {
3377	BDB::db_env_open	3874	BDB::db_env_open
3378	$DB_ENV,	3875	$DB_ENV,
…		…
3380	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3381	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3382	0666;	3879	0666;
3383		3880
3384	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3385
3386	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3387	$DB_ENV->set_lk_detect;
3388	};	3882	};
3389		3883
3390	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
3391	};	3885	};
3392	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
3393	}	3897	}
3394		3898
3395	{	3899	{
		3900	# configure IO::AIO
		3901
3396	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3397
3398	undef $Coro::AIO::WATCHER;
3399	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3400	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
3401	reentrant => 0,
3402	data => WF_AUTOCANCEL,
3403	fd => IO::AIO::poll_fileno,
3404	poll => 'r',
3405	prio => 6,
3406	cb => \&IO::AIO::poll_cb,
3407	);
3408	}	3905	}
3409		3906
3410	my $_log_backtrace;	3907	my $_log_backtrace;
3411		3908
3412	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3415	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3416		3913
3417	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3418	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3419	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3420	async {	3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
3421	my @bt = fork_call {	3921	my @bt = fork_call {
3422	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
3423	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3424	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3425	or die "addr2line: $!";	3925	or die "addr2line: $!";
…		…
3433	}	3933	}
3434		3934
3435	@funcs	3935	@funcs
3436	};	3936	};
3437		3937
3438	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3439	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3440	--$_log_backtrace;	3941	--$_log_backtrace;
3441	};	3942	};
3442	} else {	3943	} else {
3443	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3444	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3445	}	3946	}
3446	}	3947	}
3447		3948
3448	# load additional modules	3949	# load additional modules
3449	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3450		3951
3451	END { cf::emergency_save }	3952	END { cf::emergency_save }
3452		3953
3453	1	3954	1
3454		3955

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