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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	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;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	252	that call.
181		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
346		512
347	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
359	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
360		530
361	while () {	531	while () {
362	next_job:	532	next_job:
		533
363	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
364	if ($avail > 0.01) {	535
365	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
366	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
367	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
368	$job->[2]->send;	540	$job->[2]->send;
369	Coro::cede;	541	Coro::cede;
370	goto next_job;	542	goto next_job;
371	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
372	}	545	}
373	}	546	}
374		547
375	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
376	# we do not use wait_For_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
377	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;	551	$signal->wait;
379	} else {	552	} else {
		553	$busy = 0;
380	Coro::schedule;	554	Coro::schedule;
381	}	555	}
382	}	556	}
383	};	557	};
384		558
385	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
386	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
387		563
388	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
389	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
390		567
391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
404		581
405	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
406		583
407	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
408		585
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	589	acceptable.
413		590
414	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
419	=cut	596	=cut
420		597
421	sub sync_job(&) {	598	sub sync_job(&) {
422	my ($job) = @_;	599	my ($job) = @_;
423		600
424	if ($Coro::current == $Coro::main) {	601	if (in_main) {
425	my $time = Event::time;	602	my $time = AE::time;
426		603
427	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
429		606
430	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	608
432	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
433		610
434	my $busy = 1;	611	my $busy = 1;
435	my @res;	612	my @res;
436		613
437	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	616	@res = eval { $job->() };
439	warn $@ if $@;	617	error $@ if $@;
440	undef $busy;	618	undef $busy;
441	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
442		620
443	while ($busy) {	621	while ($busy) {
444	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
445	}	626	}
		627	}
446		628
447	$time = Event::time - $time;	629	my $time = AE::time - $time;
448		630
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
453		632
454	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
455	} else {	634	} else {
456	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
457		636
…		…
477	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
478		657
479	$coro	658	$coro
480	}	659	}
481		660
482	=item fork_call { }, $args	661	=item fork_call { }, @args
483		662
484	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
488		667
489	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
490		673
491	sub fork_call(&@) {	674	sub fork_call(&@) {
492	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
493		676
494	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
495	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
496	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
497		680
498	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
499	reset_signals;	682	cf::post_fork;
500	&$cb	683	&$cb
501	}, @args;	684	} @args;
502		685
503	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
504	}	725	}
505		726
506	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
507		728
508	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
518	within each server.	739	within each server.
519		740
520	=cut	741	=cut
521		742
522	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
523	my ($name) = @_;	747	my ($name) = @_;
524	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
525		749
526	eval {	750	eval {
527	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
537	}	761	}
538		762
539	our $DB;	763	our $DB;
540		764
541	sub db_init {	765	sub db_init {
542	cf::sync_job {
543	$DB ||= db_table "db";	766	$DB ||= db_table "db";
544	};
545	}	767	}
546		768
547	sub db_get($$) {	769	sub db_get($$) {
548	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
549		771
550	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
551	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
552		776
553	$! ? ()	777	$! ? ()
554	: $data	778	: $data
555	}
556	}	779	}
557		780
558	sub db_put($$$) {	781	sub db_put($$$) {
559	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
588		811
589	my @data;	812	my @data;
590	my $md5;	813	my $md5;
591		814
592	for (0 .. $#$src) {	815	for (0 .. $#$src) {
593	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
594	or Carp::croak "$src->[$_]: $!";
595	}	817	}
596		818
597	# if processing is expensive, check	819	# if processing is expensive, check
598	# checksum first	820	# checksum first
599	if (1) {	821	if (1) {
…		…
616		838
617	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
618	my $data = $process->(\@data);	840	my $data = $process->(\@data);
619	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
620		842
621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
622		844
623	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
624	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
625	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
626		848
…		…
636		858
637	=cut	859	=cut
638		860
639	sub datalog($@) {	861	sub datalog($@) {
640	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
642	}	864	}
643		865
644	=back	866	=back
645		867
646	=cut	868	=cut
647		869
648	#############################################################################	870	#############################################################################
649		871
650	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
651		873
652	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
653	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
654	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
655		877
656	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
657	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
658	Crossfire TRT).	880	Deliantra).
659		881
660	=over 4	882	=over 4
661		883
662	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
663		885
…		…
707	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
708		930
709	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
711		933
712	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
713	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
714		936
715	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
716		938
717	=over 4	939	=over 4
…		…
841		1063
842	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
843	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
844		1066
845	} elsif (ref $type) {	1067	} elsif (ref $type) {
846	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
847		1069
848	} else {	1070	} else {
849	shift @arg;	1071	shift @arg;
850	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
851	}	1073	}
852	}	1074	}
853	}	1075	}
854		1076
855	sub _object_attach {	1077	sub _object_attach {
…		…
865	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
866	}	1088	}
867		1089
868	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
869	} else {	1091	} else {
870	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
871	}	1093	}
872		1094
873	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
874	}	1096	}
875		1097
…		…
934		1156
935	for (@$callbacks) {	1157	for (@$callbacks) {
936	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
937		1159
938	if ($@) {	1160	if ($@) {
939	warn "$@";
940	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
941	override;	1162	override;
942	}	1163	}
943		1164
944	return 1 if $override;	1165	return 1 if $override;
945	}	1166	}
946		1167
947	0	1168	0
948	}	1169	}
949		1170
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1172
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1174
954	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
955		1176
…		…
961		1182
962	=cut	1183	=cut
963		1184
964	#############################################################################	1185	#############################################################################
965	# object support	1186	# object support
966	#
967		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
968	sub _can_merge {	1221	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
970		1223
971	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1225
975	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
976	}	1228	}
977		1229
978	sub reattach {	1230	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1232	my ($obj) = @_;
981		1233
		1234	# no longer needed after getting rid of delete_package?
982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
983		1236
984	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
985		1238
986	@$registry = ();	1239	@$registry = ();
987		1240
…		…
992	for (@$attach) {	1245	for (@$attach) {
993	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
994	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
995	}	1248	}
996	} else {	1249	} else {
997	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
998	}	1251	}
999	}	1252	}
1000	}	1253	}
1001		1254
1002	cf::attachable->attach (	1255	cf::attachable->attach (
1003	prio => -1000000,	1256	prio => -1000000,
1004	on_instantiate => sub {	1257	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1006		1259
1007	$data = from_json $data;	1260	$data = decode_json $data;
1008		1261
1009	for (@$data) {	1262	for (@$data) {
1010	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1011		1264
1012	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1026	);	1279	);
1027		1280
1028	sub object_freezer_save {	1281	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1030		1283
1031	my $guard = cf::lock_acquire "io";
1032
1033	sync_job {	1284	sync_job {
1034	if (length $$rdata) {	1285	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1038		1290
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
1043	close $fh;	1298	aio_close $fh;
1044		1299
1045	if (@$objs) {	1300	if (@$objs) {
1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1047	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1050	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
1051	close $fh;	1309	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1311	}
1054	} else {	1312	} else {
1055	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1056	}	1314	}
1057		1315
1058	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1320	} else {
1060	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1061	}	1322	}
1062	} else {	1323	} else {
1063	aio_unlink $filename;	1324	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1065	}	1326	}
1066	};	1327	};
1067
1068	undef $guard;
1069	}	1328	}
1070		1329
1071	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1073		1332
…		…
1078		1337
1079	sub object_thawer_load {	1338	sub object_thawer_load {
1080	my ($filename) = @_;	1339	my ($filename) = @_;
1081		1340
1082	my ($data, $av);	1341	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1342
1086	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
1087	or return;	1344	or return;
1088		1345
1089	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1348	or return;
1092		1349
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1095	}	1352	}
1096		1353
1097	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1100		1358
1101	($data, $av)	1359	($data, $av)
1102	}	1360	}
1103		1361
1104	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1160	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1161		1419
1162	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1163	}	1421	}
1164		1422
		1423	use File::Glob ();
		1424
1165	cf::player->attach (	1425	cf::player->attach (
1166	on_command => sub {	1426	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1168		1428
1169	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1170	or return;	1430	or return;
1171		1431
…		…
1194		1454
1195	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1456	if $reply;
1197		1457
1198	} else {	1458	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1460	}
1201		1461
1202	cf::override;	1462	cf::override;
1203	},	1463	},
1204	);	1464	);
1205		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1206	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1207	cf::sync_job {	1482	cf::sync_job {
1208	my %todo;	1483	my %todo;
1209		1484
1210	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1486	next unless -r $path;
…		…
1229		1504
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1507
1233	$ext{source} =	1508	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1236	. $source	1511	. $source
1237	. "\n};\n1";	1512	. "\n};\n1";
1238		1513
1239	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1240	}	1515	}
1241		1516
		1517	my $pass = 0;
1242	my %done;	1518	my %done;
1243	while (%todo) {	1519	while (%todo) {
1244	my $progress;	1520	my $progress;
1245		1521
		1522	++$pass;
		1523
		1524	ext:
1246	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1527	next ext
1249	unless exists $done{$_};	1528	unless exists $done{$_};
1250	}	1529	}
1251		1530
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1532
1254	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1259	warn $msg;	1540
1260	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1542	delete $todo{$k};
1262	}	1543	} else {
1263		1544	$done{$k} = delete $todo{$k};
1264	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1265	}	1550	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1551	}
1271		1552
1272	skip:	1553	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1275	}	1563	}
1276	};	1564	};
1277	}	1565	}
1278		1566
1279	#############################################################################	1567	#############################################################################
1280		1568
1281	=back	1569	=back
1282		1570
1283	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1284		1572
1285	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1286		1574
1287	=cut	1575	=cut
1288		1576
1289	package cf::player;	1577	package cf::player;
1290		1578
…		…
1333		1621
1334	sub exists($) {	1622	sub exists($) {
1335	my ($login) = @_;	1623	my ($login) = @_;
1336		1624
1337	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1339	}	1627	}
1340		1628
1341	sub find($) {	1629	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1631	my $login = $_[0];
…		…
1353	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1354		1642
1355	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1644	or return;
1357		1645
1358	$f->next;
1359	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1360	or return;	1647	or return;
		1648
1361	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1362	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1363	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1364	}	1652	}
1365	}	1653	}
1366	}	1654	}
1367		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
		1668
1368	sub save($) {	1669	sub save($) {
1369	my ($pl) = @_;	1670	my ($pl) = @_;
1370		1671
1371	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1372		1673
…		…
1375		1676
1376	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1377		1678
1378	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1379	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1380		1686
1381	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1382	cf::cede_to_tick;	1688	cf::cede_to_tick;
1383	}	1689	}
1384		1690
…		…
1416	my ($pl) = @_;	1722	my ($pl) = @_;
1417		1723
1418	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1419		1725
1420	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1421	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1422		1728
1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1424	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1425	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1426	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1427		1737
1428	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1429	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1430	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1468		1778
1469	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1470	my $path = path $login;	1780	my $path = path $login;
1471		1781
1472	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1473	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1475	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1476	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1477	}	1788	}
1478		1789
…		…
1482		1793
1483	\@logins	1794	\@logins
1484	}	1795	}
1485		1796
1486	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1487		1800
1488	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1489	player. May block.	1802	player. May block.
1490		1803
1491	=cut	1804	=cut
…		…
1509	}	1822	}
1510		1823
1511	\@paths	1824	\@paths
1512	}	1825	}
1513		1826
1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1515		1828
1516	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1517
1518	=cut
1519
1520	sub expand_cfpod {
1521	((my $self), (local $_)) = @_;
1522
1523	# escape & and <
1524	s/&/&amp;/g;
1525	s/(?<![BIUGHT])</&lt;/g;
1526
1527	# this is buggy, it needs to properly take care of nested <'s
1528
1529	1 while
1530	# replace B<>, I<>, U<> etc.
1531	s/B<([^\>]*)>/<b>$1<\/b>/
1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1535	# replace G<male|female> tags
1536	|| s{G<([^>|]*)\|([^>]*)>}{
1537	$self->gender ? $2 : $1
1538	}ge
1539	# replace H<hint text>
1540	|| s{H<([^\>]*)>}
1541	{
1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1544	"")
1545	[$self->{hintmode}]
1546	}ge;
1547
1548	# create single paragraphs (very hackish)
1549	s/(?<=\S)\n(?=\w)/ /g;
1550
1551	# compress some whitespace
1552	s/\s+\n/\n/g; # ws line-ends
1553	s/\n\n+/\n/g; # double lines
1554	s/^\n+//; # beginning lines
1555	s/\n+$//; # ending lines
1556
1557	$_
1558	}
1559
1560	sub hintmode {
1561	$_[0]{hintmode} = $_[1] if @_ > 1;
1562	$_[0]{hintmode}
1563	}
1564		1830
1565	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1566		1832
1567	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1568		1834
…		…
1600		1866
1601	=cut	1867	=cut
1602		1868
1603	sub find_by_path($) {	1869	sub find_by_path($) {
1604	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1605		1873
1606	my ($match, $specificity);	1874	my ($match, $specificity);
1607		1875
1608	for my $region (list) {	1876	for my $region (list) {
1609	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1635	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1636	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1637		1905
1638	sub generate_random_map {	1906	sub generate_random_map {
1639	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1640	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1641	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1645	$rmp->{exit_on_final_map},
1646	$rmp->{xsize}, $rmp->{ysize},
1647	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1648	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1649	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1650	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1651	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1652	(cf::region::find $rmp->{region}), $rmp->{custom}
1653	)
1654	}	1912	}
1655		1913
1656	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1657		1915
1658	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1663		1921
1664	sub register {	1922	sub register {
1665	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1666	my $pkg = caller;	1924	my $pkg = caller;
1667		1925
1668	no strict;
1669	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1670		1927
1671	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1672	}	1929	}
1673		1930
1674	# also paths starting with '/'	1931	# also paths starting with '/'
1675	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1676		1933
1677	sub thawer_merge {	1934	sub thawer_merge {
1678	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1679		1936
1680	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1685	}	1942	}
1686		1943
1687	sub normalise {	1944	sub normalise {
1688	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1689		1946
1690	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1691		1948
1692	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1693		1950
1694	# map plan:	1951	# map plan:
1695	#	1952	#
…		…
1710	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1711	$path = "$base/$path";	1968	$path = "$base/$path";
1712	}	1969	}
1713		1970
1714	for ($path) {	1971	for ($path) {
1715	redo if s{//}{/};
1716	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1717	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1718	}	1974	}
1719		1975
1720	$path	1976	$path
…		…
1734	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1735	return $self;	1991	return $self;
1736	}	1992	}
1737	}	1993	}
1738		1994
1739	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1740	()	1996	()
1741	}	1997	}
1742		1998
		1999	# may re-bless or do other evil things
1743	sub init {	2000	sub init {
1744	my ($self) = @_;	2001	my ($self) = @_;
1745		2002
1746	$self	2003	$self
1747	}	2004	}
…		…
1766		2023
1767	# the temporary/swap location	2024	# the temporary/swap location
1768	sub save_path {	2025	sub save_path {
1769	my ($self) = @_;	2026	my ($self) = @_;
1770		2027
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1773	}	2030	}
1774		2031
1775	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1776	sub uniq_path {	2033	sub uniq_path {
1777	my ($self) = @_;	2034	my ($self) = @_;
1778		2035
1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1780	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1781	}
1782
1783	# and all this just because we cannot iterate over
1784	# all maps in C++...
1785	sub change_all_map_light {
1786	my ($change) = @_;
1787
1788	$_->change_map_light ($change)
1789	for grep $_->outdoor, values %cf::MAP;
1790	}	2038	}
1791		2039
1792	sub decay_objects {	2040	sub decay_objects {
1793	my ($self) = @_;	2041	my ($self) = @_;
1794		2042
…		…
1876		2124
1877	sub find;	2125	sub find;
1878	sub find {	2126	sub find {
1879	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1880		2128
		2129	cf::cede_to_tick;
		2130
1881	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1882		2132
1883	cf::lock_wait "map_data:$path";#d#remove	2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1884	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1885		2135
1886	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1887	my $guard1 = cf::lock_acquire "map_find:$path";
1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1889
1890	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1891	or return;	2138	or return;
1892		2139
1893	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1894		2141
…		…
1896	or return;	2143	or return;
1897		2144
1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1899	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1900	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
1901	undef $guard1;	2149	undef $guard1;
1902	undef $guard2;
1903	$map->reset;	2150	$map->reset;
1904	return find $path;	2151	return find $path;
1905	}	2152	}
1906		2153
1907	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1908	}	2155	}
1909	}	2156	}
1910		2157
1911	sub pre_load { }	2158	sub pre_load { }
1912	sub post_load { }	2159	#sub post_load { } # XS
1913		2160
1914	sub load {	2161	sub load {
1915	my ($self) = @_;	2162	my ($self) = @_;
1916		2163
1917	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1929	$self->alloc;	2176	$self->alloc;
1930		2177
1931	$self->pre_load;	2178	$self->pre_load;
1932	cf::cede_to_tick;	2179	cf::cede_to_tick;
1933		2180
		2181	if (exists $self->{load_path}) {
1934	my $f = new_from_file cf::object::thawer $self->{load_path};	2182	my $f = new_from_file cf::object::thawer $self->{load_path};
1935	$f->skip_block;	2183	$f->skip_block;
1936	$self->_load_objects ($f)	2184	$self->_load_objects ($f)
1937	or return;	2185	or return;
1938		2186
1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1940	if delete $self->{load_original};	2188	if delete $self->{load_original};
1941		2189
1942	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1943	utf8::encode $uniq;	2191	utf8::encode $uniq;
1944	unless (aio_stat $uniq) {	2192	unless (aio_stat $uniq) {
1945	if (my $f = new_from_file cf::object::thawer $uniq) {	2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1946	$self->clear_unique_items;	2194	$self->clear_unique_items;
1947	$self->_load_objects ($f);	2195	$self->_load_objects ($f);
1948	$f->resolve_delayed_derefs;	2196	$f->resolve_delayed_derefs;
		2197	}
1949	}	2198	}
1950	}	2199	}
1951	}
1952		2200
1953	$f->resolve_delayed_derefs;	2201	$f->resolve_delayed_derefs;
		2202	}
1954		2203
1955	cf::cede_to_tick;	2204	cf::cede_to_tick;
1956	# now do the right thing for maps	2205	# now do the right thing for maps
1957	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1958	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
…		…
1962	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1963	$self->decay_objects;	2212	$self->decay_objects;
1964	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1965	$self->update_buttons;	2214	$self->update_buttons;
1966	cf::cede_to_tick;	2215	cf::cede_to_tick;
1967	$self->set_darkness_map;
1968	cf::cede_to_tick;
1969	$self->activate;	2216	$self->activate;
1970	}	2217	}
1971		2218
1972	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1973	$self->last_access ($cf::RUNTIME);	2220	$self->last_access ($cf::RUNTIME);
1974		2221
1975	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1976	}	2223	}
1977		2224
1978	$self->post_load;	2225	$self->post_load;
1979	}
1980		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1981	sub customise_for {	2233	sub customise_for {
1982	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1983		2235
1984	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1985	if $self->per_player;	2237	if $self->per_player;
…		…
2001	or next;	2253	or next;
2002	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
2003	or next;	2255	or next;
2004	$neigh->load;	2256	$neigh->load;
2005		2257
		2258	# now find the diagonal neighbours
2006	push @neigh,	2259	push @neigh,
2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2009	}	2262	}
2010		2263
…		…
2017	}	2270	}
2018		2271
2019	sub find_sync {	2272	sub find_sync {
2020	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2021		2274
2022	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
2023	}	2279	}
2024		2280
2025	sub do_load_sync {	2281	sub do_load_sync {
2026	my ($map) = @_;	2282	my ($map) = @_;
2027		2283
2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2029	if $Coro::current == $Coro::main;	2285	if $Coro::current == $Coro::main;
2030		2286
2031	cf::sync_job { $map->load };	2287	$map->load;
2032	}	2288	}
2033		2289
2034	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
2035	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
2036		2292
…		…
2038	my ($path, $origin, $load) = @_;	2294	my ($path, $origin, $load) = @_;
2039		2295
2040	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
2041		2297
2042	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2044	}	2300	}
2045		2301
2046	$MAP_PREFETCH{$path} |= $load;	2302	$MAP_PREFETCH{$path} |= $load;
2047		2303
2048	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
2049	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
2050	while (my ($k, $v) = each %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
2051	if (my $map = find $k) {	2309	if (my $map = find $k) {
2052	$map->load if $v;	2310	$map->load if $v;
2053	}	2311	}
…		…
2060	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
2061		2319
2062	()	2320	()
2063	}	2321	}
2064		2322
		2323	# common code, used by both ->save and ->swapout
2065	sub save {	2324	sub _save {
2066	my ($self) = @_;	2325	my ($self) = @_;
2067
2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
2069		2326
2070	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2071		2328
2072	return unless $self->dirty;	2329	return unless $self->dirty;
2073		2330
…		…
2079	return if $self->{deny_save};	2336	return if $self->{deny_save};
2080		2337
2081	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
2082		2339
2083	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
2085	};	2343	};
		2344
		2345	cf::get_slot 0.02;
2086		2346
2087	if ($uniq) {	2347	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2350	} else {
2091	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2092	}	2352	}
2093	}	2353	}
2094		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
2095	sub swap_out {	2363	sub swap_out {
2096	my ($self) = @_;	2364	my ($self) = @_;
2097		2365
2098	# save first because save cedes
2099	$self->save;
2100
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
2103	return if $self->players;	2370	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
2105	return if $self->{deny_save};
2106		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
2107	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
		2381	$self->clear;
		2382	}
		2383
		2384	sub reset_at {
		2385	my ($self) = @_;
		2386
		2387	# TODO: safety, remove and allow resettable per-player maps
		2388	return 1e99 if $self->{deny_reset};
		2389
		2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2392
		2393	$time + $to
		2394	}
		2395
		2396	sub should_reset {
		2397	my ($self) = @_;
		2398
		2399	$self->reset_at <= $cf::RUNTIME
		2400	}
		2401
		2402	sub reset {
		2403	my ($self) = @_;
		2404
		2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2406
		2407	return if $self->players;
		2408
		2409	cf::trace "resetting map ", $self->path, "\n";
		2410
		2411	$self->in_memory (cf::MAP_SWAPPED);
		2412
		2413	# need to save uniques path
		2414	unless ($self->{deny_save}) {
		2415	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2416
		2417	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2418	if $uniq;
		2419	}
		2420
		2421	delete $cf::MAP{$self->path};
2108		2422
2109	$self->deactivate;	2423	$self->deactivate;
2110	$_->clear_links_to ($self) for values %cf::MAP;	2424	$_->clear_links_to ($self) for values %cf::MAP;
2111	$self->clear;	2425	$self->clear;
2112	}
2113
2114	sub reset_at {
2115	my ($self) = @_;
2116
2117	# TODO: safety, remove and allow resettable per-player maps
2118	return 1e99 if $self->{deny_reset};
2119
2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2122
2123	$time + $to
2124	}
2125
2126	sub should_reset {
2127	my ($self) = @_;
2128
2129	$self->reset_at <= $cf::RUNTIME
2130	}
2131
2132	sub reset {
2133	my ($self) = @_;
2134
2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
2136
2137	return if $self->players;
2138
2139	warn "resetting map ", $self->path;
2140
2141	$self->in_memory (cf::MAP_SWAPPED);
2142
2143	# need to save uniques path
2144	unless ($self->{deny_save}) {
2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
2146
2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2148	if $uniq;
2149	}
2150
2151	delete $cf::MAP{$self->path};
2152
2153	$self->deactivate;
2154	$_->clear_links_to ($self) for values %cf::MAP;
2155	$self->clear;
2156		2426
2157	$self->unlink_save;	2427	$self->unlink_save;
2158	$self->destroy;	2428	$self->destroy;
2159	}	2429	}
2160		2430
…		…
2168		2438
2169	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
2170		2440
2171	$self->unlink_save;	2441	$self->unlink_save;
2172		2442
2173	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
2174	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
2175	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
2176	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2178		2448
…		…
2227		2497
2228	sub unique_maps() {	2498	sub unique_maps() {
2229	[	2499	[
2230	map {	2500	map {
2231	utf8::decode $_;	2501	utf8::decode $_;
2232	/\.map$/	2502	s/\.map$//; # TODO future compatibility hack
		2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2504	? ()
2233	? normalise $_	2505	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2506	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2507	]
2237	}	2508	}
2238		2509
2239	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
2240		2541
2241	=back	2542	=back
2242		2543
2243	=head3 cf::object	2544	=head3 cf::object
2244		2545
…		…
2248		2549
2249	=over 4	2550	=over 4
2250		2551
2251	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
2252		2553
2253	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
2254		2556
2255	=cut	2557	=cut
2256		2558
2257	sub inv_recursive_;	2559	sub inv_recursive_;
2258	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
2264	}	2566	}
2265		2567
2266	=item $ref = $ob->ref	2568	=item $ref = $ob->ref
2267		2569
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2570	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2571
2270	=item $ob = cf::object::deref ($refstring)	2572	=item $ob = cf::object::deref ($refstring)
2271		2573
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273	even if the object actually exists. May block.	2575	even if the object actually exists. May block.
…		…
2275	=cut	2577	=cut
2276		2578
2277	sub deref {	2579	sub deref {
2278	my ($ref) = @_;	2580	my ($ref) = @_;
2279		2581
2280	# temporary compatibility#TODO#remove
2281	$ref =~ s{^<}{player/<};
2282
2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2284	my ($uuid, $name) = ($1, $2);	2583	my ($uuid, $name) = ($1, $2);
2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2286	or return;	2585	or return;
2287	$pl->ob->uuid eq $uuid	2586	$pl->ob->uuid eq $uuid
2288	or return;	2587	or return;
…		…
2308	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
2309	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
2310		2609
2311	=cut	2610	=cut
2312		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
		2625
2313	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
2314	# with dialog boxes.	2627	# with dialog boxes.
2315	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
2316	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
2317	my ($self, $npc, $msg, $flags) = @_;	2630	my ($self, $npc, $msg, $flags) = @_;
…		…
2328	my $dialog = $pl->{npc_dialog};	2641	my $dialog = $pl->{npc_dialog};
2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2330		2643
2331	} else {	2644	} else {
2332	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
2333	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2334	}	2647	}
2335	}	2648	}
2336	}	2649	}
2337		2650
2338	=item $object->send_msg ($channel, $msg, $color, [extra...])	2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2363		2676
2364	=item $player_object->enter_link	2677	=item $player_object->enter_link
2365		2678
2366	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
2367		2680
2368	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
2369	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
2370		2685
2371	Will never block.	2686	Will never block.
2372		2687
2373	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
2374		2689
…		…
2394	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
2395	my ($self) = @_;	2710	my ($self) = @_;
2396		2711
2397	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
2398		2713
		2714	++$self->{_link_recursion};
		2715
2399	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
2400		2717
2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2402	if $self->map && $self->map->{path} ne "{link}";	2719	if $self->map && $self->map->{path} ne "{link}";
2403		2720
2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2405	}	2722	}
2406		2723
2407	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
2408	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
2409		2726
…		…
2426	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
2427	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
2428		2745
2429	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
2430	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
2431	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
2432		2749
2433	$map->load;	2750	$map->load;
2434	$map->load_neighbours;	2751	$map->load_neighbours;
2435		2752
2436	return unless $self->contr->active;	2753	return unless $self->contr->active;
2437	$self->activate_recursive;
2438		2754
2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2440	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
2441	}	2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
		2760	$self->activate_recursive;
		2761	}
2442		2762
		2763	}
		2764
2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2444		2766
2445	Moves the player to the given map-path and coordinates by first freezing	2767	Moves the player to the given map-path and coordinates by first freezing
2446	her, loading and preparing them map, calling the provided $check callback	2768	her, loading and preparing them map, calling the provided $check callback
2447	that has to return the map if sucecssful, and then unfreezes the player on	2769	that has to return the map if sucecssful, and then unfreezes the player on
2448	the new (success) or old (failed) map position. In either case, $done will	2770	the new (success) or old (failed) map position. In either case, $done will
2449	be called at the end of this process.	2771	be called at the end of this process.
2450		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
2451	=cut	2776	=cut
2452		2777
2453	our $GOTOGEN;	2778	our $GOTOGEN;
2454		2779
2455	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
2456	my ($self, $path, $x, $y, $check, $done) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
2457		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
2458	# do generation counting so two concurrent goto's will be executed in-order	2789	# do generation counting so two concurrent goto's will be executed in-order
2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2460		2791
2461	$self->enter_link;	2792	$self->enter_link;
2462		2793
2463	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
2464	# *tag paths override both path and x|y	2797	# *tag paths override both path and x|y
2465	if ($path =~ /^\*(.*)$/) {	2798	if ($path =~ /^\*(.*)$/) {
2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467	my $ob = $obs[rand @obs];	2800	my $ob = $obs[rand @obs];
2468		2801
…		…
2483	my $map = eval {	2816	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2817	my $map = defined $path ? cf::map::find $path : undef;
2485		2818
2486	if ($map) {	2819	if ($map) {
2487	$map = $map->customise_for ($self);	2820	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2821	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2822	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2824	}
2492		2825
2493	$map	2826	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2834	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2835	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
2504	}	2837	}
2505		2838
2506	$done->() if $done;	2839	$done->($self) if $done;
2507	})->prio (1);	2840	})->prio (1);
2508	}	2841	}
2509		2842
2510	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
2511		2844
…		…
2531	}	2864	}
2532		2865
2533	sub prepare_random_map {	2866	sub prepare_random_map {
2534	my ($exit) = @_;	2867	my ($exit) = @_;
2535		2868
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2871	# that depends on the exit object
2541		2872
2542	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2875	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2549	}	2882	}
2550		2883
2551	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2552		2885
2553	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2556		2889
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2892	undef $fh;
2560	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2561		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2564	}	2901	}
2565	}	2902	}
2566		2903
2567	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2569		2906
2570	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2571		2908
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2909	$self->enter_link;
2584		2910
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2911	(async {
2590	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2591	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2592	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2593		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2594	1;	2935	1
2595	}) {	2936	}) {
2596	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2597	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2598	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2599	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2600		2941
2601	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2602	$self->leave_link;	2943	$self->leave_link;
2603	}	2944	}
2604	})->prio (1);	2945	})->prio (1);
2605	}	2946	}
2606		2947
…		…
2618	sub cf::client::send_drawinfo {	2959	sub cf::client::send_drawinfo {
2619	my ($self, $text, $flags) = @_;	2960	my ($self, $text, $flags) = @_;
2620		2961
2621	utf8::encode $text;	2962	utf8::encode $text;
2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2964	}
		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
2623	}	2989	}
2624		2990
2625	=item $client->send_msg ($channel, $msg, $color, [extra...])	2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
2626		2992
2627	Send a drawinfo or msg packet to the client, formatting the msg for the	2993	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2629	the message, with C<log> being the default. If C<$color> is negative, suppress	2995	the message, with C<log> being the default. If C<$color> is negative, suppress
2630	the message unless the client supports the msg packet.	2996	the message unless the client supports the msg packet.
2631		2997
2632	=cut	2998	=cut
2633		2999
		3000	# non-persistent channels (usually the info channel)
2634	our %CHANNEL = (	3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
2635	"c/identify" => {	3008	"c/identify" => {
2636	id => "identify",	3009	id => "infobox",
2637	title => "Identify",	3010	title => "Identify",
2638	reply => undef,	3011	reply => undef,
2639	tooltip => "Items recently identified",	3012	tooltip => "Items recently identified",
2640	},	3013	},
2641	"c/examine" => {	3014	"c/examine" => {
2642	id => "examine",	3015	id => "infobox",
2643	title => "Examine",	3016	title => "Examine",
2644	reply => undef,	3017	reply => undef,
2645	tooltip => "Signs and other items you examined",	3018	tooltip => "Signs and other items you examined",
2646	},	3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
2647	);	3112	);
2648		3113
2649	sub cf::client::send_msg {	3114	sub cf::client::send_msg {
2650	my ($self, $channel, $msg, $color, @extra) = @_;	3115	my ($self, $channel, $msg, $color, @extra) = @_;
2651		3116
2652	$msg = $self->pl->expand_cfpod ($msg);	3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
2653		3119
2654	$color &= cf::NDI_CLIENT_MASK; # just in case...	3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
2655		3121
2656	# check predefined channels, for the benefit of C	3122	# check predefined channels, for the benefit of C
2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
2658		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
2659	if (ref $channel) {	3129	} elsif (ref $channel) {
2660	# send meta info to client, if not yet sent	3130	# send meta info to client, if not yet sent
2661	unless (exists $self->{channel}{$channel->{id}}) {	3131	unless (exists $self->{channel}{$channel->{id}}) {
2662	$self->{channel}{$channel->{id}} = $channel;	3132	$self->{channel}{$channel->{id}} = $channel;
2663	$self->ext_msg (channel_info => $channel)	3133	$self->ext_msg (channel_info => $channel);
2664	if $self->can_msg;
2665	}	3134	}
2666		3135
2667	$channel = $channel->{id};	3136	$channel = $channel->{id};
2668	}	3137	}
2669		3138
2670	return unless @extra || length $msg;	3139	return unless @extra || length $msg;
2671		3140
2672	if ($self->can_msg) {
2673	# default colour, mask it out	3141	# default colour, mask it out
2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2675	if $color & cf::NDI_DEF;	3143	if $color & cf::NDI_DEF;
2676		3144
2677	$self->send_packet ("msg " . $self->{json_coder}->encode (	3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2679	} else {	3148	);
2680	if ($color >= 0) {
2681	# replace some tags by gcfclient-compatible ones
2682	for ($msg) {
2683	1 while
2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2689	}
2690		3149
2691	$color &= cf::NDI_COLOR_MASK;	3150	$self->send_big_packet ($pkt);
2692
2693	utf8::encode $msg;
2694
2695	if (0 && $msg =~ /\[/) {
2696	# COMMAND/INFO
2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
2698	} else {
2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2700	$self->send_packet ("drawinfo $color $msg")
2701	}
2702	}
2703	}
2704	}	3151	}
2705		3152
2706	=item $client->ext_msg ($type, @msg)	3153	=item $client->ext_msg ($type, @msg)
2707		3154
2708	Sends an ext event to the client.	3155	Sends an ext event to the client.
…		…
2711		3158
2712	sub cf::client::ext_msg($$@) {	3159	sub cf::client::ext_msg($$@) {
2713	my ($self, $type, @msg) = @_;	3160	my ($self, $type, @msg) = @_;
2714		3161
2715	if ($self->extcmd == 2) {	3162	if ($self->extcmd == 2) {
2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2717	} elsif ($self->extcmd == 1) { # TODO: remove	3164	} elsif ($self->extcmd == 1) { # TODO: remove
2718	push @msg, msgtype => "event_$type";	3165	push @msg, msgtype => "event_$type";
2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2720	}	3167	}
2721	}	3168	}
2722		3169
2723	=item $client->ext_reply ($msgid, @msg)	3170	=item $client->ext_reply ($msgid, @msg)
2724		3171
…		…
2728		3175
2729	sub cf::client::ext_reply($$@) {	3176	sub cf::client::ext_reply($$@) {
2730	my ($self, $id, @msg) = @_;	3177	my ($self, $id, @msg) = @_;
2731		3178
2732	if ($self->extcmd == 2) {	3179	if ($self->extcmd == 2) {
2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2734	} elsif ($self->extcmd == 1) {	3181	} elsif ($self->extcmd == 1) {
2735	#TODO: version 1, remove	3182	#TODO: version 1, remove
2736	unshift @msg, msgtype => "reply", msgid => $id;	3183	unshift @msg, msgtype => "reply", msgid => $id;
2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2738	}	3185	}
2739	}	3186	}
2740		3187
2741	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2742		3189
…		…
2813		3260
2814	$ns->ext_reply ($reply, @reply)	3261	$ns->ext_reply ($reply, @reply)
2815	if $reply;	3262	if $reply;
2816		3263
2817	} else {	3264	} else {
2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2819	}	3266	}
2820		3267
2821	cf::override;	3268	cf::override;
2822	},	3269	},
2823	);	3270	);
…		…
2843		3290
2844	$coro	3291	$coro
2845	}	3292	}
2846		3293
2847	cf::client->attach (	3294	cf::client->attach (
2848	on_destroy => sub {	3295	on_client_destroy => sub {
2849	my ($ns) = @_;	3296	my ($ns) = @_;
2850		3297
2851	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2852	},	3299	},
2853	);	3300	);
…		…
2869	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2870		3317
2871	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2872		3319
2873	$safe->permit_only (Opcode::opset qw(	3320	$safe->permit_only (Opcode::opset qw(
2874	:base_core :base_mem :base_orig :base_math	3321	:base_core :base_mem :base_orig :base_math :base_loop
2875	grepstart grepwhile mapstart mapwhile	3322	grepstart grepwhile mapstart mapwhile
2876	sort time	3323	sort time
2877	));	3324	));
2878		3325
2879	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
…		…
2881	=pod	3328	=pod
2882		3329
2883	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2884		3331
2885	cf::object	3332	cf::object
2886	contr pay_amount pay_player map x y force_find force_add	3333	contr pay_amount pay_player map x y force_find force_add destroy
2887	insert remove name archname title slaying race decrease_ob_nr	3334	insert remove name archname title slaying race decrease split
		3335	value
2888		3336
2889	cf::object::player	3337	cf::object::player
2890	player	3338	player
2891		3339
2892	cf::player	3340	cf::player
…		…
2897		3345
2898	=cut	3346	=cut
2899		3347
2900	for (	3348	for (
2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2902	insert remove inv name archname title slaying race	3350	insert remove inv nrof name archname title slaying race
2903	decrease_ob_nr)],	3351	decrease split destroy change_exp value msg lore send_msg)],
2904	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2905	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2906	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2907	) {	3355	) {
2908	no strict 'refs';
2909	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2911	for @funs;	3358	for @funs;
2912	}	3359	}
2913		3360
…		…
2928		3375
2929	my $qcode = $code;	3376	my $qcode = $code;
2930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2931	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2932		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2933	local $_;	3383	local $_;
2934	local @safe::cf::_safe_eval_args = values %vars;
2935		3384
2936	my $eval =	3385	my $eval =
2937	"do {\n"	3386	"do {\n"
2938	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2939	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2940	. $code	3389	. $code
2941	. "\n}"	3390	. "\n}"
2942	;	3391	;
2943		3392
		3393	if ($CFG{safe_eval}) {
2944	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2945	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2946	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2947		3402
2948	if ($@) {	3403	if ($@) {
2949	warn "$@";	3404	warn "$@",
2950	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2951	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2952	}	3407	}
2953		3408
2954	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2955	}	3410	}
2956		3411
…		…
2970	=cut	3425	=cut
2971		3426
2972	sub register_script_function {	3427	sub register_script_function {
2973	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2974		3429
2975	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2976	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2977	}	3432	}
2978		3433
2979	=back	3434	=back
2980		3435
2981	=cut	3436	=cut
…		…
2990	# for this (global event?)	3445	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3446	%ext::player_env::MUSIC_FACE_CACHE = ();
2992		3447
2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2994		3449
2995	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2996		3451
2997	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2998	0 < aio_load $path, $facedata
2999	or die "$path: $!";
3000
3001	$facedata = Coro::Storable::thaw $facedata;
3002		3453
3003	$facedata->{version} == 2	3454	$facedata->{version} == 2
3004	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
3005		3456
3006	# patch in the exptable	3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3007	$facedata->{resource}{"res/exp_table"} = {	3459	$facedata->{resource}{"res/exp_table"} = {
3008	type => FT_RSRC,	3460	type => FT_RSRC,
3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
3010	};	3463	};
3011	cf::cede_to_tick;	3464	cf::cede_to_tick;
3012		3465
3013	{	3466	{
3014	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
3015		3468
3016	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
3018	cf::face::set_visibility $idx, $info->{visibility};	3472	cf::face::set_visibility $idx, $info->{visibility};
3019	cf::face::set_magicmap $idx, $info->{magicmap};	3473	cf::face::set_magicmap $idx, $info->{magicmap};
3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3022		3477
3023	cf::cede_to_tick;	3478	cf::cede_to_tick;
3024	}	3479	}
3025		3480
3026	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
3027	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
3028	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
3029	or next;	3485	or next;
		3486
3030	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
3031	cf::face::set_smooth $idx, $smooth;	3488	cf::face::set_smooth $idx, $smooth;
3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3033	} else {	3490	} else {
3034	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
3035	}	3492	}
3036		3493
3037	cf::cede_to_tick;	3494	cf::cede_to_tick;
3038	}	3495	}
3039	}	3496	}
…		…
3048		3505
3049	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
3050	}	3507	}
3051		3508
3052	{	3509	{
3053	# TODO: for gcfclient pleasure, we should give resources
3054	# that gcfclient doesn't grok a >10000 face index.
3055	my $res = $facedata->{resource};	3510	my $res = $facedata->{resource};
3056		3511
3057	my $soundconf = delete $res->{"res/sound.conf"};
3058
3059	while (my ($name, $info) = each %$res) {	3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3061	my $data;
3062		3515
3063	if ($info->{type} & 1) {	3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3064	# prepend meta info	3517	cf::face::set_type $idx, $info->{type};
3065
3066	my $meta = $enc->encode ({
3067	name => $name,
3068	%{ $info->{meta} || {} },
3069	});
3070
3071	$data = pack "(w/a*)*", $meta, $info->{data};
3072	} else {	3518	} else {
3073	$data = $info->{data};	3519	$RESOURCE{$name} = $info; # unused
3074	}	3520	}
3075		3521
3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3077	cf::face::set_type $idx, $info->{type};
3078
3079	cf::cede_to_tick;	3522	cf::cede_to_tick;
3080	}	3523	}
3081
3082	if ($soundconf) {
3083	$soundconf = $enc->decode (delete $soundconf->{data});
3084
3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3086	my $sound = $soundconf->{compat}[$_]
3087	or next;
3088
3089	my $face = cf::face::find "sound/$sound->[1]";
3090	cf::sound::set $sound->[0] => $face;
3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3092	}
3093
3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
3095	my $face = cf::face::find "sound/$v";
3096	cf::sound::set $k => $face;
3097	}
3098	}
3099	}	3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3100		3527
3101	1	3528	1
3102	}	3529	}
3103		3530
3104	register_exticmd fx_want => sub {	3531	register_exticmd fx_want => sub {
…		…
3106		3533
3107	while (my ($k, $v) = each %$want) {	3534	while (my ($k, $v) = each %$want) {
3108	$ns->fx_want ($k, $v);	3535	$ns->fx_want ($k, $v);
3109	}	3536	}
3110	};	3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
3111		3548
3112	sub reload_regions {	3549	sub reload_regions {
3113	# HACK to clear player env face cache, we need some signal framework	3550	# HACK to clear player env face cache, we need some signal framework
3114	# for this (global event?)	3551	# for this (global event?)
3115	%ext::player_env::MUSIC_FACE_CACHE = ();	3552	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3129	}	3566	}
3130		3567
3131	sub reload_archetypes {	3568	sub reload_archetypes {
3132	load_resource_file "$DATADIR/archetypes"	3569	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";	3570	or die "unable to load archetypes\n";
3134	#d# NEED to laod twice to resolve forward references
3135	# this really needs to be done in an extra post-pass
3136	# (which needs to be synchronous, so solve it differently)
3137	load_resource_file "$DATADIR/archetypes"
3138	or die "unable to load archetypes\n";
3139	}	3571	}
3140		3572
3141	sub reload_treasures {	3573	sub reload_treasures {
3142	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
3143	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
3144	}	3576	}
3145		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
3146	sub reload_resources {	3598	sub reload_resources {
3147	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
3148		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
3149	reload_regions;	3606	reload_regions;
3150	reload_facedata;
3151	#reload_archetypes;#d#
3152	reload_archetypes;
3153	reload_treasures;	3607	reload_treasures;
3154		3608
3155	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
3156	}
3157
3158	sub init {
3159	reload_resources;
3160	}	3610	}
3161		3611
3162	sub reload_config {	3612	sub reload_config {
3163	open my $fh, "<:utf8", "$CONFDIR/config"	3613	trace "reloading config file...\n";
3164	or return;
3165		3614
3166	local $/;	3615	my $config = load_file "$CONFDIR/config";
3167	*CFG = YAML::Syck::Load <$fh>;	3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
3168		3618
3169	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3170		3620
3171	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3172	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3173		3623
3174	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
3178	};	3628	};
3179	warn $@ if $@;	3629	warn $@ if $@;
3180	}	3630	}
3181	}	3631	}
3182		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
3183	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
3184	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
3185	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
3186	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3187	(async {	3674	(async {
3188	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
3189	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
3190	};	3678	};
3191		3679
		3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
3192	reload_config;	3692	reload_config;
3193	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
3194	load_extensions;	3703	load_extensions;
3195		3704
3196	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
3197	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
3198	}	3723	}
3199		3724
3200	#############################################################################	3725	#############################################################################
3201	# initialisation and cleanup	3726	# initialisation and cleanup
3202		3727
3203	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
3204	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
3205	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
3206	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	signal => $signal,
3210	prio => 0,
3211	cb => sub {
3212	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
3213	},
3214	);	3734	};
3215	}	3735	}
3216	}	3736	}
3217		3737
3218	sub write_runtime {	3738	sub write_runtime_sync {
3219	my $runtime = "$LOCALDIR/runtime";	3739	my $t0 = AE::time;
3220		3740
3221	# first touch the runtime file to show we are still running:	3741	# first touch the runtime file to show we are still running:
3222	# the fsync below can take a very very long time.	3742	# the fsync below can take a very very long time.
3223		3743
3224	IO::AIO::aio_utime $runtime, undef, undef;	3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3225		3745
3226	my $guard = cf::lock_acquire "write_runtime";	3746	my $guard = cf::lock_acquire "write_runtime";
3227		3747
3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3229	or return;	3749	or return;
3230		3750
3231	my $value = $cf::RUNTIME + 90 + 10;	3751	my $value = $cf::RUNTIME + 90 + 10;
3232	# 10 is the runtime save interval, for a monotonic clock	3752	# 10 is the runtime save interval, for a monotonic clock
3233	# 60 allows for the watchdog to kill the server.	3753	# 60 allows for the watchdog to kill the server.
…		…
3243	aio_utime $fh, undef, undef;	3763	aio_utime $fh, undef, undef;
3244		3764
3245	close $fh	3765	close $fh
3246	or return;	3766	or return;
3247		3767
3248	aio_rename "$runtime~", $runtime	3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3249	and return;	3769	and return;
3250		3770
3251	warn "runtime file written.\n";	3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3252		3772
3253	1	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
3254	}	3824	}
3255		3825
3256	sub emergency_save() {	3826	sub emergency_save() {
3257	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
3258		3828
3259	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
3260		3835
3261	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
3262	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
3263	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
3264	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
3265	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
3266	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
3267	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
3268	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3269	$pl->save;	3847	$pl->save;
3270	}	3848	}
3271	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
3272		3850
3273	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
3274	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
3275	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
3276	$map->valid or next;	3856	$map->valid or next;
3277	$map->save;	3857	$map->save;
3278	}	3858	}
3279	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
3280		3860
3281	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
3282	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
3283	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
3284	};	3889	};
3285		3890
3286	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
3287	}	3892	}
3288		3893
3289	sub post_cleanup {	3894	sub post_cleanup {
3290	my ($make_core) = @_;	3895	my ($make_core) = @_;
3291		3896
		3897	IO::AIO::flush;
		3898
3292	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
3293	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
3294	}	3929	}
3295		3930
3296	sub do_reload_perl() {	3931	sub do_reload_perl() {
3297	# can/must only be called in main	3932	# can/must only be called in main
3298	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
3299	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
3300	return;	3935	return;
3301	}	3936	}
3302		3937
3303	warn "reloading...";	3938	return if $RELOAD++;
3304		3939
3305	warn "entering sync_job";	3940	my $t1 = AE::time;
3306		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
3307	cf::sync_job {	3948	cf::sync_job {
3308	cf::write_runtime; # external watchdog should not bark
3309	cf::emergency_save;	3949	#cf::emergency_save;
3310	cf::write_runtime; # external watchdog should not bark
3311		3950
3312	warn "syncing database to disk";
3313	BDB::db_env_txn_checkpoint $DB_ENV;
3314
3315	# if anything goes wrong in here, we should simply crash as we already saved
3316
3317	warn "cancelling all WF_AUTOCANCEL watchers";
3318	for (Event::all_watchers) {
3319	$_->cancel if $_->data & WF_AUTOCANCEL;
3320	}
3321
3322	warn "flushing outstanding aio requests";
3323	for (;;) {
3324	BDB::flush;
3325	IO::AIO::flush;
3326	Coro::cede;
3327	last unless IO::AIO::nreqs || BDB::nreqs;
3328	warn "iterate...";
3329	}
3330
3331	++$RELOAD;
3332
3333	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
3334	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
3335	%EXT_CORO = ();	3953	%EXT_CORO = ();
3336		3954
3337	warn "removing commands";	3955	trace "perl_reload: removing commands";
3338	%COMMAND = ();	3956	%COMMAND = ();
3339		3957
3340	warn "removing ext/exti commands";	3958	trace "perl_reload: removing ext/exti commands";
3341	%EXTCMD = ();	3959	%EXTCMD = ();
3342	%EXTICMD = ();	3960	%EXTICMD = ();
3343		3961
3344	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
3345	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
3346	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
3347		3965
3348	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
3349	eval {	3967	eval {
3350	$cb->($pkg);	3968	$cb->($pkg);
3351	1	3969	1
3352	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
3353	}	3975	}
3354		3976
3355	warn "... nuking $pkg";
3356	Symbol::delete_package $pkg;
3357	}
3358
3359	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3360	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3362		3980
3363	warn "... unloading $k";	3981	trace "... unloading $k";
3364	delete $INC{$k};	3982	delete $INC{$k};
3365		3983
3366	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
3367	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
3368		3986
3369	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
3370	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
3371	}	3992	}
3372		3993
3373	Symbol::delete_package $k;
3374	}
3375
3376	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
3377	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3379		3997
3380	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
3381	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
3382	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3383		4001
3384	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
3385	# and global variables created in xs	4003	# and global variables created in xs
3386	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
3387		4005
3388	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
3389		4007
3390	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
3391	require cf;	4009	require cf;
3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
3393		4011
3394	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
3395	cf::reload_config;	4013	cf::reload_config;
3396		4014
3397	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
3398	cf::load_extensions;	4016	cf::load_extensions;
3399		4017
		4018	if ($REATTACH_ON_RELOAD) {
3400	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
3401	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
3402	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
3403	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
3404	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
3405	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
3406		4026
3407	warn "leaving sync_job";	4027	cf::_post_init 1;
3408		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
3409	1	4031	1
3410	} or do {	4032	} or do {
3411	warn $@;	4033	error $@;
3412	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
3413	exit 1;	4035	};
		4036
		4037	--$RELOAD;
3414	};	4038	}
3415		4039
3416	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
3417	};	4042	};
3418		4043
3419	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
3420		4045
3421	sub reload_perl() {	4046	sub reload_perl() {
3422	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
3423	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
3424		4049
3425	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
3426	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
3427	after => 0,	4052
3428	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3429	cb => sub {
3430	do_reload_perl;	4054	do_reload_perl;
3431	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
3432	},	4056	};
3433	);	4057	};
3434	}	4058	}
3435		4059
3436	register_command "reload" => sub {	4060	register_command "reload" => sub {
3437	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
3438		4062
3439	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
3440	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
3441	async { reload_perl };	4067	reload_perl;
		4068	};
3442	}	4069	}
3443	};	4070	};
3444		4071
3445	unshift @INC, $LIBDIR;	4072	#############################################################################
3446		4073
3447	my $bug_warning = 0;	4074	my $bug_warning = 0;
3448		4075
3449	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
3450	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
3451		4078
3452	sub wait_for_tick {	4079	sub wait_for_tick() {
3453	return unless $TICK_WATCHER->is_active;
3454	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3455		4081
3456	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
3457	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
3458	$signal->wait;	4084	$signal->wait;
3459	}	4085	}
3460		4086
3461	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3462	return unless $TICK_WATCHER->is_active;
3463	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3464		4089
3465	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3466	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3467	$signal->wait;	4092	$signal->wait;
3468	}	4093	}
3469		4094
3470	$TICK_WATCHER = Event->timer (	4095	sub tick {
3471	reentrant => 0,
3472	parked => 1,
3473	prio => 0,
3474	at => $NEXT_TICK || $TICK,
3475	data => WF_AUTOCANCEL,
3476	cb => sub {
3477	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3479	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3480	return;	4099	return;
3481	}	4100	}
3482		4101
3483	$NOW = $tick_start = Event::time;
3484
3485	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
3486		4103
3487	$RUNTIME += $TICK;	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3488	$NEXT_TICK += $TICK;
3489		4105
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	4110	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
3495	};
3496	}	4112	};
		4113	}
3497		4114
3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3499	$sig->send;	4116	$sig->send;
3500	}	4117	}
3501	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
3502	$sig->send;	4119	$sig->send;
3503	}	4120	}
3504		4121
3505	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3506
3507	# if we are delayed by four ticks or more, skip them all
3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3509
3510	$TICK_WATCHER->at ($NEXT_TICK);
3511	$TICK_WATCHER->start;
3512
3513	$LOAD = ($NOW - $tick_start) / $TICK;
3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3515		4124
3516	_post_tick;	4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3517	},	4131	}
3518	);	4132	}
3519		4133
3520	{	4134	{
		4135	# configure BDB
		4136
3521	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3522	BDB::max_poll_time $TICK * 0.1;	4138	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	4139	$AnyEvent::BDB::WATCHER->priority (1);
3524	reentrant => 0,
3525	fd => BDB::poll_fileno,
3526	poll => 'r',
3527	prio => 0,
3528	data => WF_AUTOCANCEL,
3529	cb => \&BDB::poll_cb,
3530	);
3531
3532	BDB::set_sync_prepare {
3533	my $status;
3534	my $current = $Coro::current;
3535	(
3536	sub {
3537	$status = $!;
3538	$current->ready; undef $current;
3539	},
3540	sub {
3541	Coro::schedule while defined $current;
3542	$! = $status;
3543	},
3544	)
3545	};
3546		4140
3547	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3550	| BDB::LOG_AUTOREMOVE, 1);	4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3553		4148
3554	cf::sync_job {	4149	cf::sync_job {
3555	eval {	4150	eval {
…		…
3565		4160
3566	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	4162	};
3568	}	4163	}
3569		4164
3570	$BDB_DEADLOCK_WATCHER = Event->timer (	4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3571	after => 3,
3572	interval => 1,
3573	hard => 1,
3574	prio => 0,
3575	data => WF_AUTOCANCEL,
3576	cb => sub {
3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3578	},
3579	);	4167	};
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581	after => 11,
3582	interval => 60,
3583	hard => 1,
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	4170	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3591	after => 5,
3592	interval => 10,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	4173	};
3600	}	4174	}
3601		4175
3602	{	4176	{
		4177	# configure IO::AIO
		4178
3603	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3608	reentrant => 0,
3609	data => WF_AUTOCANCEL,
3610	fd => IO::AIO::poll_fileno,
3611	poll => 'r',
3612	prio => 6,
3613	cb => \&IO::AIO::poll_cb,
3614	);
3615	}	4182	}
3616		4183
3617	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3618		4186
3619	sub _log_backtrace {	4187	sub _log_backtrace {
3620	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3621		4189
3622	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3623		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3624	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3626	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3627	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3628	my @bt = fork_call {	4203	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3640	}	4215	}
3641		4216
3642	@funcs	4217	@funcs
3643	};	4218	};
3644		4219
3645	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	4223	--$_log_backtrace;
3648	};	4224	};
3649	} else {	4225	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3652	}	4228	}
3653	}	4229	}
3654		4230
3655	# load additional modules	4231	# load additional modules
3656	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3657		4234
3658	END { cf::emergency_save }	4235	END { cf::emergency_save }
3659		4236
3660	1	4237	1
3661		4238

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