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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.318 by root, Tue Jul 24 04:55:34 2007 UTC vs.
Revision 1.472 by root, Sat Jun 6 21:43:13 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	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1157	aio_close $fh;
1054		1158
1055	if (@$objs) {	1159	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1165	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1167	}
1064	} else {	1168	} else {
1065	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1066	}	1170	}
1067		1171
1068	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1176	} else {
1070	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1071	}	1178	}
1072	} else {	1179	} else {
1073	aio_unlink $filename;	1180	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1075	}	1182	}
1076	}	1183	};
1077	}	1184	}
1078		1185
1079	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1081		1188
…		…
1093	or return;	1200	or return;
1094		1201
1095	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1204	or return;
		1205
1098	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1099	}	1208	}
1100		1209
		1210	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1103	return ($data, $av);	1214	($data, $av)
1104	}	1215	}
1105		1216
1106	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1107		1218
1108	=over 4	1219	=over 4
…		…
1162	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1163		1274
1164	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1165	}	1276	}
1166		1277
		1278	use File::Glob ();
		1279
1167	cf::player->attach (	1280	cf::player->attach (
1168	on_command => sub {	1281	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1170		1283
1171	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1186	my ($type, $reply, @payload) =	1299	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1300	"ARRAY" eq ref $msg
1188	? @$msg	1301	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1303
		1304	my @reply;
		1305
1191	if (my $cb = $EXTCMD{$type}) {	1306	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1307	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
1197	} else {	1313	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1315	}
1200		1316
1201	cf::override;	1317	cf::override;
1202	},	1318	},
1203	);	1319	);
		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
1204		1333
1205	sub load_extensions {	1334	sub load_extensions {
1206	cf::sync_job {	1335	cf::sync_job {
1207	my %todo;	1336	my %todo;
1208		1337
…		…
1228		1357
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1360
1232	$ext{source} =	1361	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1235	. $source	1364	. $source
1236	. "\n};\n1";	1365	. "\n};\n1";
1237		1366
1238	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1256		1385
1257	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1387	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1389	}
1262		1390
1263	warn $msg;	1391	warn $msg;
1264	}	1392	}
1265		1393
…		…
1279		1407
1280	=back	1408	=back
1281		1409
1282	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1283		1411
1284	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1285		1413
1286	=cut	1414	=cut
1287		1415
1288	package cf::player;	1416	package cf::player;
1289		1417
1290	use Coro::AIO;	1418	use Coro::AIO;
1291		1419
1292	=head3 cf::player	1420	=head3 cf::player
1293		1421
1294	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1295		1437
1296	=item cf::player::find $login	1438	=item cf::player::find $login
1297		1439
1298	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1299		1441
…		…
1318		1460
1319	sub exists($) {	1461	sub exists($) {
1320	my ($login) = @_;	1462	my ($login) = @_;
1321		1463
1322	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1324	}	1466	}
1325		1467
1326	sub find($) {	1468	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1470	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1481
1340	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1343	}	1491	}
1344	}	1492	}
1345	}	1493	}
1346		1494
…		…
1355	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1356		1504
1357	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1359		1507
		1508	cf::get_slot 0.01;
		1509
1360	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1361	Coro::cede;	1511	cf::cede_to_tick;
1362	}	1512	}
1363		1513
1364	sub new($) {	1514	sub new($) {
1365	my ($login) = @_;	1515	my ($login) = @_;
1366		1516
…		…
1372	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1373		1523
1374	$self	1524	$self
1375	}	1525	}
1376		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1377	=item $pl->quit_character	1537	=item $pl->quit_character
1378		1538
1379	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1381		1541
…		…
1385	my ($pl) = @_;	1545	my ($pl) = @_;
1386		1546
1387	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1388		1548
1389	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1551
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1396		1558
1397	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1596	or return [];
1435		1597
1436	my @logins;	1598	my @logins;
1437		1599
1438	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1442		1610
1443	utf8::decode $login;	1611	utf8::decode $login;
1444	push @logins, $login;	1612	push @logins, $login;
1445	}	1613	}
1446		1614
…		…
1473	}	1641	}
1474		1642
1475	\@paths	1643	\@paths
1476	}	1644	}
1477		1645
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1647
1480	Expand crossfire pod fragments into protocol xml.	1648	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		1649
1528	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1529		1651
1530	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1531		1653
1532	=cut	1654	=cut
1533		1655
1534	sub ext_reply($$@) {	1656	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1657	my ($self, $id, @msg) = @_;
1536		1658
1537	if ($self->ns->extcmd == 2) {	1659	$self->ns->ext_reply ($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	}	1660	}
1545		1661
1546	=item $player->ext_msg ($type, @msg)	1662	=item $player->ext_msg ($type, @msg)
1547		1663
1548	Sends an ext event to the client.	1664	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1606		1722
1607	sub generate_random_map {	1723	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1609	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1729	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1735		1854
1736	# the temporary/swap location	1855	# the temporary/swap location
1737	sub save_path {	1856	sub save_path {
1738	my ($self) = @_;	1857	my ($self) = @_;
1739		1858
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1742	}	1861	}
1743		1862
1744	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1745	sub uniq_path {	1864	sub uniq_path {
1746	my ($self) = @_;	1865	my ($self) = @_;
1747		1866
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1759	}	1869	}
1760		1870
1761	sub decay_objects {	1871	sub decay_objects {
1762	my ($self) = @_;	1872	my ($self) = @_;
1763		1873
…		…
1776		1886
1777	sub load_header_from($) {	1887	sub load_header_from($) {
1778	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1779		1889
1780	utf8::encode $path;	1890	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1786		1899
1787	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1788		1901
1789	1	1902	1
1790	}	1903	}
…		…
1844	sub find {	1957	sub find {
1845	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1846		1959
1847	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1848		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1850		1964
1851	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1854	or return;	1967	or return;
1855		1968
1856	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1857		1970
…		…
1859	or return;	1972	or return;
1860		1973
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1864	$map->reset;	1979	$map->reset;
1865	undef $guard;
1866	return find $path;	1980	return find $path;
1867	}	1981	}
1868		1982
1869	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1870	}	1984	}
…		…
1879	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1880		1994
1881	my $path = $self->{path};	1995	my $path = $self->{path};
1882		1996
1883	{	1997	{
1884	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1885		1999
		2000	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2002
1888	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1889		2004
1890	$self->alloc;	2005	$self->alloc;
1891		2006
1892	$self->pre_load;	2007	$self->pre_load;
1893	Coro::cede;	2008	cf::cede_to_tick;
1894		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1896	or return;	2013	or return;
1897		2014
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1899	if delete $self->{load_original};	2016	if delete $self->{load_original};
1900		2017
1901	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2019	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2022	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1906	}	2026	}
1907	}	2027	}
1908		2028
1909	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1910	# now do the right thing for maps	2032	# now do the right thing for maps
1911	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2035	unless $self->difficulty;
1914	Coro::cede;	2036	cf::cede_to_tick;
1915		2037
1916	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2039	$self->decay_objects;
1918	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1919	$self->update_buttons;	2041	$self->update_buttons;
1920	Coro::cede;	2042	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2043	$self->activate;
1924	}	2044	}
1925		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2050	}
1928		2051
1929	$self->post_load;	2052	$self->post_load;
1930	}	2053	}
1931		2054
…		…
1940		2063
1941	$self	2064	$self
1942	}	2065	}
1943		2066
1944	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2068	sub load_neighbours {
1946	my ($map) = @_;	2069	my ($map) = @_;
1947		2070
1948	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1949		2072
1950	for (0 .. 3) {	2073	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1952	or next;	2075	or next;
1953	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1954	or next;	2077	or next;
1955	$neigh->load;	2078	$neigh->load;
1956		2079
		2080	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2083	}
1960		2084
1961	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1963	or next;	2088	or next;
1964	$neigh->load;	2089	$neigh->load;
1965	}	2090	}
1966	}	2091	}
1967		2092
…		…
1972	}	2097	}
1973		2098
1974	sub do_load_sync {	2099	sub do_load_sync {
1975	my ($map) = @_;	2100	my ($map) = @_;
1976		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1977	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1978	}	2106	}
1979		2107
1980	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1982		2110
1983	sub find_async {	2111	sub find_async {
1984	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1985		2113
1986	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1987		2115
1988	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2118	}
1991		2119
1992	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1993	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1994	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2127	if (my $map = find $k) {
1997	$map->load;	2128	$map->load if $v;
1998	}	2129	}
1999		2130
2000	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
2001	}	2132	}
2002	}	2133	}
2003	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
2004	};	2135	};
2005	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
2008	}	2139	}
2009		2140
2010	sub save {	2141	sub save {
2011	my ($self) = @_;	2142	my ($self) = @_;
2012		2143
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
2014		2145
2015	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
2016		2147
2017	return unless $self->dirty;	2148	return unless $self->dirty;
2018		2149
…		…
2024	return if $self->{deny_save};	2155	return if $self->{deny_save};
2025		2156
2026	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
2027		2158
2028	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2030	};	2162	};
		2163
		2164	cf::get_slot 0.02;
2031		2165
2032	if ($uniq) {	2166	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2169	} else {
…		…
2041	my ($self) = @_;	2175	my ($self) = @_;
2042		2176
2043	# save first because save cedes	2177	# save first because save cedes
2044	$self->save;	2178	$self->save;
2045		2179
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2181
2048	return if $self->players;	2182	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2050	return if $self->{deny_save};	2184	return if $self->{deny_save};
2051		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
2052	$self->clear;	2190	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2191	}
2055		2192
2056	sub reset_at {	2193	sub reset_at {
2057	my ($self) = @_;	2194	my ($self) = @_;
2058		2195
…		…
2090	if $uniq;	2227	if $uniq;
2091	}	2228	}
2092		2229
2093	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
2094		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2234	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2235
2099	$self->unlink_save;	2236	$self->unlink_save;
2100	$self->destroy;	2237	$self->destroy;
2101	}	2238	}
2102		2239
2103	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
2104		2241
2105	sub nuke {	2242	sub nuke {
2106	my ($self) = @_;	2243	my ($self) = @_;
2107		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
2108	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
2109		2249
2110	$self->unlink_save;	2250	$self->unlink_save;
2111		2251
2112	bless $self, "cf::map";	2252	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2257
2118	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
2119		2260
2120	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
2121	}	2262	}
2122		2263
2123	=item $maps = cf::map::tmp_maps	2264	=item $maps = cf::map::tmp_maps
…		…
2165		2306
2166	sub unique_maps() {	2307	sub unique_maps() {
2167	[	2308	[
2168	map {	2309	map {
2169	utf8::decode $_;	2310	utf8::decode $_;
2170	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2171	? normalise $_	2314	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2316	]
2175	}	2317	}
2176		2318
2177	package cf;
2178
2179	=back	2319	=back
2180		2320
2181	=head3 cf::object	2321	=head3 cf::object
2182		2322
2183	=cut	2323	=cut
…		…
2186		2326
2187	=over 4	2327	=over 4
2188		2328
2189	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2190		2330
2191	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2192		2333
2193	=cut	2334	=cut
2194		2335
2195	sub inv_recursive_;	2336	sub inv_recursive_;
2196	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2199		2340
2200	sub inv_recursive {	2341	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2202	}	2343	}
2203		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
2204	package cf;	2373	package cf;
2205		2374
2206	=back	2375	=back
2207		2376
2208	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	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	2384	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2217		2386
2218	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
2219		2402
2220	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2404	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2420
2238	} else {	2421	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2424	}
2242	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
2243	}	2436	}
2244		2437
2245	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
2246		2439
2247	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
2260		2453
2261	=item $player_object->enter_link	2454	=item $player_object->enter_link
2262		2455
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2457
2265	The player should be reasonably safe there for short amounts of time. You	2458	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.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2267		2462
2268	Will never block.	2463	Will never block.
2269		2464
2270	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2271		2466
…		…
2326	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
2329		2524
2330	$map->load;	2525	$map->load;
2331	$map->load_diag;	2526	$map->load_neighbours;
2332		2527
2333	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2334	$self->activate_recursive;	2530	$self->activate_recursive;
2335		2531
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2338	}	2534	}
…		…
2343	her, loading and preparing them map, calling the provided $check callback	2539	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	2540	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	2541	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2542	be called at the end of this process.
2347		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
		2546
2348	=cut	2547	=cut
2349		2548
2350	our $GOTOGEN;	2549	our $GOTOGEN;
2351		2550
2352	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2556
2358	$self->enter_link;	2557	$self->enter_link;
2359		2558
2360	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
2361	my $map = eval {	2581	my $map = eval {
2362	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
2363		2583
2364	if ($map) {	2584	if ($map) {
2365	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
2367	} else {	2587	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2589	}
2370		2590
2371	$map	2591	$map
2372	};	2592	};
2373		2593
…		…
2409	}	2629	}
2410		2630
2411	sub prepare_random_map {	2631	sub prepare_random_map {
2412	my ($exit) = @_;	2632	my ($exit) = @_;
2413		2633
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2636	# that depends on the exit object
2419		2637
2420	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2640	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2427	}	2647	}
2428		2648
2429	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2430		2650
2431	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2434		2654
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2657	undef $fh;
2438	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2439		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2442	}	2666	}
2443	}	2667	}
2444		2668
2445	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2447		2671
2448	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2449		2673
2450	if ($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;	2674	$self->enter_link;
2462		2675
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 {	2676	(async {
2468	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2469	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2470	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2471		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2472	1;	2700	1
2473	}) {	2701	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2706
2479	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2509		2737
2510	=cut	2738	=cut
2511		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	"c/party" => {
		2827	id => "party",
		2828	title => "Party",
		2829	reply => "gsay ",
		2830	tooltip => "Messages and chat related to your party",
		2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
		2840	);
		2841
2512	sub cf::client::send_msg {	2842	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2843	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2844
2515	$msg = $self->pl->expand_cfpod ($msg);	2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
2516		2847
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		2849
		2850	# check predefined channels, for the benefit of C
		2851	if ($CHANNEL{$channel}) {
		2852	$channel = $CHANNEL{$channel};
		2853
		2854	$self->ext_msg (channel_info => $channel);
		2855	$channel = $channel->{id};
		2856
2519	if (ref $channel) {	2857	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	2858	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	2859	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	2860	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => %$channel);	2861	$self->ext_msg (channel_info => $channel);
2524	}	2862	}
2525		2863
2526	$channel = $channel->{id};	2864	$channel = $channel->{id};
2527	}	2865	}
2528		2866
2529	return unless @extra || length $msg;	2867	return unless @extra || length $msg;
2530		2868
2531	if ($self->can_msg) {	2869	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	2871	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		2872
2544	if ($color >= 0) {	2873	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	2874	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	2876	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2877
2549	$self->send_packet ("drawinfo $color $msg")	2878	# try lzf for large packets
2550	}	2879	$pkt = "lzf " . Compress::LZF::compress $pkt
2551	}	2880	if 1024 <= length $pkt and $self->{can_lzf};
		2881
		2882	# split very large packets
		2883	if (8192 < length $pkt and $self->{can_lzf}) {
		2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2885	$pkt = "frag";
2552	}	2886	}
		2887
		2888	$self->send_packet ($pkt);
2553	}	2889	}
2554		2890
2555	=item $client->ext_msg ($type, @msg)	2891	=item $client->ext_msg ($type, @msg)
2556		2892
2557	Sends an ext event to the client.	2893	Sends an ext event to the client.
…		…
2559	=cut	2895	=cut
2560		2896
2561	sub cf::client::ext_msg($$@) {	2897	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	2898	my ($self, $type, @msg) = @_;
2563		2899
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	2900	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	2902	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	2923	}
2572	}	2924	}
2573		2925
2574	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
…		…
2636	my ($type, $reply, @payload) =	2988	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	2989	"ARRAY" eq ref $msg
2638	? @$msg	2990	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		2992
		2993	my @reply;
		2994
2641	if (my $cb = $EXTICMD{$type}) {	2995	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	2996	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
2647	} else {	3002	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3004	}
2650		3005
2651	cf::override;	3006	cf::override;
…		…
2698	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2700		3055
2701	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2702		3057
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2704		3063
2705	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2706		3065
2707	=pod	3066	=pod
2708		3067
2709	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2710		3069
2711	cf::object	3070	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3071	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3072	insert remove name archname title slaying race decrease split
		3073	value
2714		3074
2715	cf::object::player	3075	cf::object::player
2716	player	3076	player
2717		3077
2718	cf::player	3078	cf::player
…		…
2723		3083
2724	=cut	3084	=cut
2725		3085
2726	for (	3086	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3088	insert remove inv nrof name archname title slaying race
		3089	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
2732	) {	3093	) {
2733	no strict 'refs';	3094	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2752	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
2753		3114
2754	my $qcode = $code;	3115	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
2757		3120
2758	local $_;	3121	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
2760		3123
2761	my $eval =	3124	my $eval =
…		…
2809	# the server's init and main functions	3172	# the server's init and main functions
2810		3173
2811	sub load_facedata($) {	3174	sub load_facedata($) {
2812	my ($path) = @_;	3175	my ($path) = @_;
2813		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3182
2814	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2815		3184
2816	my $facedata;	3185	my $facedata;
2817	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3187	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2821		3190
2822	$facedata->{version} == 2	3191	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2825	{	3201	{
2826	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2827		3203
2828	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2830	cf::face::set_visibility $idx, $info->{visibility};	3207	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3208	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3211
2835	cf::cede_to_tick;	3212	cf::cede_to_tick;
2836	}	3213	}
2837		3214
2838	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2840	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2841	or next;	3219	or next;
		3220
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3222	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3224	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3242
2864	{	3243	{
2865	# TODO: for gcfclient pleasure, we should give resources	3244	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3245	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3246	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869		3247
2870	while (my ($name, $info) = each %$res) {	3248	while (my ($name, $info) = each %$res) {
2871	my $meta = $enc->encode ({	3249	if (defined $info->{type}) {
2872	name => $name,
2873	copyright => $info->{copyright}, #TODO#
2874	});
2875
2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
2877		3252
2878	if ($info->{type} & 1) {	3253	if ($info->{type} & 1) {
2879	# prepend meta info	3254	# prepend meta info
2880		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
2881	my $data = pack "(w/a*)*", $meta, $info->{data};	3261	$data = pack "(w/a*)*", $meta, $info->{data};
2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3262	} else {
		3263	$data = $info->{data};
		3264	}
2883		3265
2884	cf::face::set_data $idx, 0, $data, $chk;	3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
2885	} else {	3268	} else {
2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3269	$RESOURCE{$name} = $info;
2887	}	3270	}
2888		3271
2889	cf::face::set_type $idx, $info->{type};
2890
2891	cf::cede_to_tick;	3272	cf::cede_to_tick;
2892	}	3273	}
2893	}	3274	}
2894		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2895	1	3278	1
2896	}	3279	}
		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
2897		3300
2898	register_exticmd fx_want => sub {	3301	register_exticmd fx_want => sub {
2899	my ($ns, $want) = @_;	3302	my ($ns, $want) = @_;
2900		3303
2901	while (my ($k, $v) = each %$want) {	3304	while (my ($k, $v) = each %$want) {
2902	$ns->fx_want ($k, $v);	3305	$ns->fx_want ($k, $v);
2903	}	3306	}
2904	};	3307	};
2905		3308
		3309	sub load_resource_file($) {
		3310	my $guard = lock_acquire "load_resource_file";
		3311
		3312	my $status = load_resource_file_ $_[0];
		3313	get_slot 0.1, 100;
		3314	cf::arch::commit_load;
		3315
		3316	$status
		3317	}
		3318
2906	sub reload_regions {	3319	sub reload_regions {
		3320	# HACK to clear player env face cache, we need some signal framework
		3321	# for this (global event?)
		3322	%ext::player_env::MUSIC_FACE_CACHE = ();
		3323
2907	load_resource_file "$MAPDIR/regions"	3324	load_resource_file "$MAPDIR/regions"
2908	or die "unable to load regions file\n";	3325	or die "unable to load regions file\n";
2909		3326
2910	for (cf::region::list) {	3327	for (cf::region::list) {
2911	$_->{match} = qr/$_->{match}/	3328	$_->{match} = qr/$_->{match}/
…		…
2919	}	3336	}
2920		3337
2921	sub reload_archetypes {	3338	sub reload_archetypes {
2922	load_resource_file "$DATADIR/archetypes"	3339	load_resource_file "$DATADIR/archetypes"
2923	or die "unable to load archetypes\n";	3340	or die "unable to load archetypes\n";
2924	#d# NEED to laod twice to resolve forward references
2925	# this really needs to be done in an extra post-pass
2926	# (which needs to be synchronous, so solve it differently)
2927	load_resource_file "$DATADIR/archetypes"
2928	or die "unable to load archetypes\n";
2929	}	3341	}
2930		3342
2931	sub reload_treasures {	3343	sub reload_treasures {
2932	load_resource_file "$DATADIR/treasures"	3344	load_resource_file "$DATADIR/treasures"
2933	or die "unable to load treasurelists\n";	3345	or die "unable to load treasurelists\n";
2934	}	3346	}
2935		3347
2936	sub reload_resources {	3348	sub reload_resources {
2937	warn "reloading resource files...\n";	3349	warn "reloading resource files...\n";
2938		3350
		3351	reload_facedata;
		3352	reload_archetypes;
2939	reload_regions;	3353	reload_regions;
2940	reload_facedata;
2941	#reload_archetypes;#d#
2942	reload_archetypes;
2943	reload_treasures;	3354	reload_treasures;
2944		3355
2945	warn "finished reloading resource files\n";	3356	warn "finished reloading resource files\n";
2946	}	3357	}
2947		3358
2948	sub init {	3359	sub reload_config {
2949	reload_resources;
2950	}
2951
2952	sub cfg_load {
2953	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2954	or return;	3361	or return;
2955		3362
2956	local $/;	3363	local $/;
2957	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2958		3365
2959	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2960		3367
2961	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2962	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2968	};	3375	};
2969	warn $@ if $@;	3376	warn $@ if $@;
2970	}	3377	}
2971	}	3378	}
2972		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
2973	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
2974	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
2975	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
2976	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2977	(async {	3417	(async {
2978	Event::one_event;	3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3419	EV::loop EV::LOOP_ONESHOT;
2979	})->prio (Coro::PRIO_MAX);	3420	})->prio (Coro::PRIO_MAX);
2980	};	3421	};
2981		3422
2982	cfg_load;	3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	cf::sync_job {
		3426	reload_resources;
		3427	reload_config;
2983	db_init;	3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
2984	load_extensions;	3441	load_extensions;
2985		3442
2986	$TICK_WATCHER->start;	3443	utime time, time, $RUNTIMEFILE;
		3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
		3449	};
		3450
2987	Event::loop;	3451	EV::loop;
2988	}	3452	}
2989		3453
2990	#############################################################################	3454	#############################################################################
2991	# initialisation and cleanup	3455	# initialisation and cleanup
2992		3456
2993	# install some emergency cleanup handlers	3457	# install some emergency cleanup handlers
2994	BEGIN {	3458	BEGIN {
		3459	our %SIGWATCHER = ();
2995	for my $signal (qw(INT HUP TERM)) {	3460	for my $signal (qw(INT HUP TERM)) {
2996	Event->signal (	3461	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2997	reentrant => 0,
2998	data => WF_AUTOCANCEL,
2999	signal => $signal,
3000	prio => 0,
3001	cb => sub {
3002	cf::cleanup "SIG$signal";	3462	cf::cleanup "SIG$signal";
3003	},
3004	);	3463	};
3005	}	3464	}
3006	}	3465	}
3007		3466
3008	sub write_runtime {	3467	sub write_runtime_sync {
3009	my $runtime = "$LOCALDIR/runtime";
3010
3011	# first touch the runtime file to show we are still running:	3468	# first touch the runtime file to show we are still running:
3012	# the fsync below can take a very very long time.	3469	# the fsync below can take a very very long time.
3013		3470
3014	IO::AIO::aio_utime $runtime, undef, undef;	3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3015		3472
3016	my $guard = cf::lock_acquire "write_runtime";	3473	my $guard = cf::lock_acquire "write_runtime";
3017		3474
3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3019	or return;	3476	or return;
3020		3477
3021	my $value = $cf::RUNTIME + 90 + 10;	3478	my $value = $cf::RUNTIME + 90 + 10;
3022	# 10 is the runtime save interval, for a monotonic clock	3479	# 10 is the runtime save interval, for a monotonic clock
3023	# 60 allows for the watchdog to kill the server.	3480	# 60 allows for the watchdog to kill the server.
…		…
3033	aio_utime $fh, undef, undef;	3490	aio_utime $fh, undef, undef;
3034		3491
3035	close $fh	3492	close $fh
3036	or return;	3493	or return;
3037		3494
3038	aio_rename "$runtime~", $runtime	3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3039	and return;	3496	and return;
3040		3497
3041	warn "runtime file written.\n";	3498	warn "runtime file written.\n";
3042		3499
3043	1	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
		3525	$uuid_skip = 0;
		3526
		3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3528	and return;
		3529
		3530	# always fsync - this file is important
		3531	aio_fsync $fh
		3532	and return;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$uuid~", $uuid
		3538	and return;
		3539
		3540	warn "uuid file written ($value).\n";
		3541
		3542	1
		3543
		3544	}
		3545
		3546	sub write_uuid($$) {
		3547	my ($skip, $sync) = @_;
		3548
		3549	$sync ? write_uuid_sync $skip
		3550	: async { write_uuid_sync $skip };
3044	}	3551	}
3045		3552
3046	sub emergency_save() {	3553	sub emergency_save() {
3047	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
3048		3555
3049	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
3050		3557
3051	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
3052	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
3053	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
3054	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
3055	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
3056	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
3057	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
3058	$pl->valid or next;	3570	$pl->valid or next;
		3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3059	$pl->save;	3572	$pl->save;
3060	}	3573	}
3061	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
3062		3575
3063	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
3064	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
3065	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
3066	$map->valid or next;	3579	$map->valid or next;
3067	$map->save;	3580	$map->save;
3068	}	3581	}
3069	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
3070		3583
3071	warn "begin emergency database checkpoint\n";	3584	warn "emergency_perl_save: begin database checkpoint\n";
3072	BDB::db_env_txn_checkpoint $DB_ENV;	3585	BDB::db_env_txn_checkpoint $DB_ENV;
3073	warn "end emergency database checkpoint\n";	3586	warn "emergency_perl_save: end database checkpoint\n";
		3587
		3588	warn "emergency_perl_save: begin write uuid\n";
		3589	write_uuid_sync 1;
		3590	warn "emergency_perl_save: end write uuid\n";
3074	};	3591	};
3075		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
3076	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
3077	}	3599	}
3078		3600
3079	sub post_cleanup {	3601	sub post_cleanup {
3080	my ($make_core) = @_;	3602	my ($make_core) = @_;
3081		3603
3082	warn Carp::longmess "post_cleanup backtrace"	3604	warn Carp::longmess "post_cleanup backtrace"
3083	if $make_core;	3605	if $make_core;
		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
3084	}	3635	}
3085		3636
3086	sub do_reload_perl() {	3637	sub do_reload_perl() {
3087	# can/must only be called in main	3638	# can/must only be called in main
3088	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
3089	warn "can only reload from main coroutine";	3640	warn "can only reload from main coroutine";
3090	return;	3641	return;
3091	}	3642	}
3092		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
3093	warn "reloading...";	3649	warn "reloading...";
3094		3650
3095	warn "entering sync_job";	3651	warn "entering sync_job";
3096		3652
3097	cf::sync_job {	3653	cf::sync_job {
3098	cf::write_runtime; # external watchdog should not bark	3654	cf::write_runtime_sync; # external watchdog should not bark
3099	cf::emergency_save;	3655	cf::emergency_save;
3100	cf::write_runtime; # external watchdog should not bark	3656	cf::write_runtime_sync; # external watchdog should not bark
3101		3657
3102	warn "syncing database to disk";	3658	warn "syncing database to disk";
3103	BDB::db_env_txn_checkpoint $DB_ENV;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
3104		3660
3105	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
3106		3662
3107	warn "cancelling all WF_AUTOCANCEL watchers";
3108	for (Event::all_watchers) {
3109	$_->cancel if $_->data & WF_AUTOCANCEL;
3110	}
3111
3112	warn "flushing outstanding aio requests";	3663	warn "flushing outstanding aio requests";
3113	for (;;) {
3114	BDB::flush;
3115	IO::AIO::flush;
3116	Coro::cede;
3117	last unless IO::AIO::nreqs || BDB::nreqs;	3664	while (IO::AIO::nreqs || BDB::nreqs) {
3118	warn "iterate...";	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3119	}
3120
3121	++$RELOAD;
3122
3123	warn "cancelling all extension coros";
3124	$_->cancel for values %EXT_CORO;
3125	%EXT_CORO = ();
3126
3127	warn "removing commands";
3128	%COMMAND = ();
3129
3130	warn "removing ext/exti commands";
3131	%EXTCMD = ();
3132	%EXTICMD = ();
3133
3134	warn "unloading/nuking all extensions";
3135	for my $pkg (@EXTS) {
3136	warn "... unloading $pkg";
3137
3138	if (my $cb = $pkg->can ("unload")) {
3139	eval {
3140	$cb->($pkg);
3141	1
3142	} or warn "$pkg unloaded, but with errors: $@";
3143	}	3666	}
3144		3667
3145	warn "... nuking $pkg";	3668	warn "cancelling all extension coros";
3146	Symbol::delete_package $pkg;	3669	$_->cancel for values %EXT_CORO;
3147	}	3670	%EXT_CORO = ();
3148		3671
3149	warn "unloading all perl modules loaded from $LIBDIR";	3672	warn "removing commands";
3150	while (my ($k, $v) = each %INC) {	3673	%COMMAND = ();
3151	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3152		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
3153	warn "... unloading $k";	3681	warn "... unloading $pkg";
3154	delete $INC{$k};
3155		3682
3156	$k =~ s/\.pm$//;
3157	$k =~ s/\//::/g;
3158
3159	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
3160	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
3161	}	3692	}
3162		3693
3163	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
3164	}	3709	}
3165		3710
3166	warn "getting rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
3167	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3169		3714
3170	warn "unloading cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
3171	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
3172	delete $INC{"cf/pod.pm"};	3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3173		3718
3174	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
3175	# and global variables created in xs	3720	# and global variables created in xs
3176	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
3177		3722
3178	warn "unload completed, starting to reload now";	3723	warn "unload completed, starting to reload now";
3179		3724
3180	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
3181	require cf;	3726	require cf;
3182	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3183		3728
3184	warn "loading config and database again";	3729	warn "loading config and database again";
3185	cf::cfg_load;	3730	cf::reload_config;
3186		3731
3187	warn "loading extensions";	3732	warn "loading extensions";
3188	cf::load_extensions;	3733	cf::load_extensions;
3189		3734
		3735	if ($REATTACH_ON_RELOAD) {
3190	warn "reattaching attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
3191	_global_reattach; # objects, sockets	3737	_global_reattach; # objects, sockets
3192	warn "reattaching attachments to maps";	3738	warn "reattaching attachments to maps";
3193	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
3194	warn "reattaching attachments to players";	3740	warn "reattaching attachments to players";
3195	reattach $_ for values %PLAYER;	3741	reattach $_ for values %PLAYER;
		3742	}
3196		3743
		3744	warn "running post_init jobs";
		3745	(pop @POST_INIT)->(1) while @POST_INIT;
		3746
3197	warn "leaving sync_job";	3747	warn "leaving sync_job";
3198		3748
3199	1	3749	1
3200	} or do {	3750	} or do {
3201	warn $@;	3751	warn $@;
3202	warn "error while reloading, exiting.";	3752	cf::cleanup "error while reloading, exiting.";
3203	exit 1;
3204	};	3753	};
3205		3754
3206	warn "reloaded";	3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
3207	};	3761	};
3208		3762
3209	our $RELOAD_WATCHER; # used only during reload	3763	our $RELOAD_WATCHER; # used only during reload
3210		3764
3211	sub reload_perl() {	3765	sub reload_perl() {
3212	# doing reload synchronously and two reloads happen back-to-back,	3766	# doing reload synchronously and two reloads happen back-to-back,
3213	# coro crashes during coro_state_free->destroy here.	3767	# coro crashes during coro_state_free->destroy here.
3214		3768
3215	$RELOAD_WATCHER ||= Event->timer (	3769	$RELOAD_WATCHER ||= cf::async {
3216	reentrant => 0,	3770	Coro::AIO::aio_wait cache_extensions;
3217	after => 0,	3771
3218	data => WF_AUTOCANCEL,	3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3219	cb => sub {
3220	do_reload_perl;	3773	do_reload_perl;
3221	undef $RELOAD_WATCHER;	3774	undef $RELOAD_WATCHER;
3222	},	3775	};
3223	);	3776	};
3224	}	3777	}
3225		3778
3226	register_command "reload" => sub {	3779	register_command "reload" => sub {
3227	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
3228		3781
3229	if ($who->flag (FLAG_WIZ)) {	3782	if ($who->flag (FLAG_WIZ)) {
3230	$who->message ("reloading server.");	3783	$who->message ("reloading server.");
		3784	async {
		3785	$Coro::current->{desc} = "perl_reload";
3231	async { reload_perl };	3786	reload_perl;
		3787	};
3232	}	3788	}
3233	};	3789	};
3234		3790
3235	unshift @INC, $LIBDIR;	3791	unshift @INC, $LIBDIR;
3236		3792
…		…
3238		3794
3239	our @WAIT_FOR_TICK;	3795	our @WAIT_FOR_TICK;
3240	our @WAIT_FOR_TICK_BEGIN;	3796	our @WAIT_FOR_TICK_BEGIN;
3241		3797
3242	sub wait_for_tick {	3798	sub wait_for_tick {
3243	return unless $TICK_WATCHER->is_active;
3244	return if $Coro::current == $Coro::main;	3799	return if tick_inhibit || $Coro::current == $Coro::main;
3245		3800
3246	my $signal = new Coro::Signal;	3801	my $signal = new Coro::Signal;
3247	push @WAIT_FOR_TICK, $signal;	3802	push @WAIT_FOR_TICK, $signal;
3248	$signal->wait;	3803	$signal->wait;
3249	}	3804	}
3250		3805
3251	sub wait_for_tick_begin {	3806	sub wait_for_tick_begin {
3252	return unless $TICK_WATCHER->is_active;
3253	return if $Coro::current == $Coro::main;	3807	return if tick_inhibit || $Coro::current == $Coro::main;
3254		3808
3255	my $signal = new Coro::Signal;	3809	my $signal = new Coro::Signal;
3256	push @WAIT_FOR_TICK_BEGIN, $signal;	3810	push @WAIT_FOR_TICK_BEGIN, $signal;
3257	$signal->wait;	3811	$signal->wait;
3258	}	3812	}
3259		3813
3260	my $min = 1e6;#d#	3814	sub tick {
3261	my $avg = 10;
3262	$TICK_WATCHER = Event->timer (
3263	reentrant => 0,
3264	parked => 1,
3265	prio => 0,
3266	at => $NEXT_TICK || $TICK,
3267	data => WF_AUTOCANCEL,
3268	cb => sub {
3269	if ($Coro::current != $Coro::main) {	3815	if ($Coro::current != $Coro::main) {
3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3816	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3271	unless ++$bug_warning > 10;	3817	unless ++$bug_warning > 10;
3272	return;	3818	return;
3273	}	3819	}
3274		3820
3275	$NOW = $tick_start = Event::time;
3276
3277	cf::server_tick; # one server iteration	3821	cf::server_tick; # one server iteration
3278		3822
3279	0 && sync_job {#d#	3823	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3280	for(1..10) {	3824	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3281	my $t = Event::time;	3825	Coro::async_pool {
3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3826	$Coro::current->{desc} = "runtime saver";
3283	or die;	3827	write_runtime_sync
3284		3828	or warn "ERROR: unable to write runtime file: $!";
3285	$map->width (50);
3286	$map->height (50);
3287	$map->alloc;
3288	$map->_load_objects ("/tmp/x.map", 1);
3289	my $t = Event::time - $t;
3290
3291	#next unless $t < 0.0013;#d#
3292	if ($t < $min) {
3293	$min = $t;
3294	}
3295	$avg = $avg * 0.99 + $t * 0.01;
3296	}
3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3298	exit 0;
3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3300	};	3829	};
		3830	}
3301		3831
3302	$RUNTIME += $TICK;
3303	$NEXT_TICK += $TICK;
3304
3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
3307	Coro::async_pool {
3308	write_runtime
3309	or warn "ERROR: unable to write runtime file: $!";
3310	};
3311	}
3312
3313	# my $AFTER = Event::time;
3314	# warn $AFTER - $NOW;#d#
3315
3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3832	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3317	$sig->send;	3833	$sig->send;
3318	}	3834	}
3319	while (my $sig = shift @WAIT_FOR_TICK) {	3835	while (my $sig = shift @WAIT_FOR_TICK) {
3320	$sig->send;	3836	$sig->send;
3321	}	3837	}
3322		3838
3323	$NOW = Event::time;	3839	$LOAD = ($NOW - $TICK_START) / $TICK;
3324
3325	# if we are delayed by four ticks or more, skip them all
3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3327
3328	$TICK_WATCHER->at ($NEXT_TICK);
3329	$TICK_WATCHER->start;
3330
3331	$LOAD = ($NOW - $tick_start) / $TICK;
3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3840	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3333		3841
3334	_post_tick;	3842	if (0) {
3335		3843	if ($NEXT_TICK) {
3336		3844	my $jitter = $TICK_START - $NEXT_TICK;
		3845	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3846	warn "jitter $JITTER\n";#d#
		3847	}
3337	},	3848	}
3338	);	3849	}
3339		3850
3340	{	3851	{
3341	BDB::max_poll_time $TICK * 0.1;	3852	# configure BDB
3342	$BDB_POLL_WATCHER = Event->io (	3853
3343	reentrant => 0,
3344	fd => BDB::poll_fileno,
3345	poll => 'r',
3346	prio => 0,
3347	data => WF_AUTOCANCEL,
3348	cb => \&BDB::poll_cb,
3349	);
3350	BDB::min_parallel 8;	3854	BDB::min_parallel 8;
3351		3855	BDB::max_poll_reqs $TICK * 0.1;
3352	BDB::set_sync_prepare {	3856	$AnyEvent::BDB::WATCHER->priority (1);
3353	my $status;
3354	my $current = $Coro::current;
3355	(
3356	sub {
3357	$status = $!;
3358	$current->ready; undef $current;
3359	},
3360	sub {
3361	Coro::schedule while defined $current;
3362	$! = $status;
3363	},
3364	)
3365	};
3366		3857
3367	unless ($DB_ENV) {	3858	unless ($DB_ENV) {
3368	$DB_ENV = BDB::db_env_create;	3859	$DB_ENV = BDB::db_env_create;
		3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3369		3865
3370	cf::sync_job {	3866	cf::sync_job {
3371	eval {	3867	eval {
3372	BDB::db_env_open	3868	BDB::db_env_open
3373	$DB_ENV,	3869	$DB_ENV,
…		…
3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3871	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3872	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3377	0666;	3873	0666;
3378		3874
3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3875	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3380
3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3382	$DB_ENV->set_lk_detect;
3383	};	3876	};
3384		3877
3385	cf::cleanup "db_env_open(db): $@" if $@;	3878	cf::cleanup "db_env_open(db): $@" if $@;
3386	};	3879	};
3387	}	3880	}
		3881
		3882	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3883	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3884	};
		3885	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3886	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3887	};
		3888	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3889	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3890	};
3388	}	3891	}
3389		3892
3390	{	3893	{
		3894	# configure IO::AIO
		3895
3391	IO::AIO::min_parallel 8;	3896	IO::AIO::min_parallel 8;
3392
3393	undef $Coro::AIO::WATCHER;
3394	IO::AIO::max_poll_time $TICK * 0.1;	3897	IO::AIO::max_poll_time $TICK * 0.1;
3395	$AIO_POLL_WATCHER = Event->io (	3898	undef $AnyEvent::AIO::WATCHER;
3396	reentrant => 0,
3397	data => WF_AUTOCANCEL,
3398	fd => IO::AIO::poll_fileno,
3399	poll => 'r',
3400	prio => 6,
3401	cb => \&IO::AIO::poll_cb,
3402	);
3403	}	3899	}
3404		3900
3405	my $_log_backtrace;	3901	my $_log_backtrace;
3406		3902
3407	sub _log_backtrace {	3903	sub _log_backtrace {
…		…
3410	$msg =~ s/\n//;	3906	$msg =~ s/\n//;
3411		3907
3412	# limit the # of concurrent backtraces	3908	# limit the # of concurrent backtraces
3413	if ($_log_backtrace < 2) {	3909	if ($_log_backtrace < 2) {
3414	++$_log_backtrace;	3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
3415	async {	3912	async {
		3913	$Coro::current->{desc} = "abt $msg";
		3914
3416	my @bt = fork_call {	3915	my @bt = fork_call {
3417	@addr = map { sprintf "%x", $_ } @addr;	3916	@addr = map { sprintf "%x", $_ } @addr;
3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3917	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3918	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3420	or die "addr2line: $!";	3919	or die "addr2line: $!";
…		…
3428	}	3927	}
3429		3928
3430	@funcs	3929	@funcs
3431	};	3930	};
3432		3931
3433	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3434	LOG llevInfo, "[ABT] $_\n" for @bt;	3934	LOG llevInfo, "[ABT] $_\n" for @bt;
3435	--$_log_backtrace;	3935	--$_log_backtrace;
3436	};	3936	};
3437	} else {	3937	} else {
3438	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $msg\n";
3439	LOG llevInfo, "[ABT] [suppressed]\n";	3939	LOG llevInfo, "[ABT] [suppressed]\n";
3440	}	3940	}
3441	}	3941	}
3442		3942
3443	# load additional modules	3943	# load additional modules
3444	use cf::pod;	3944	require "cf/$_.pm" for @EXTRA_MODULES;
3445		3945
3446	END { cf::emergency_save }	3946	END { cf::emergency_save }
3447		3947
3448	1	3948	1
3449		3949

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