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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.394 by root, Thu Nov 8 19:43:25 2007 UTC vs.
Revision 1.569 by root, Wed May 4 07:36:40 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 Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	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 2.51 ();	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 {
359	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
360		527
361	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
362		530
363	while () {	531	while () {
364	next_job:	532	next_job:
		533
365	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	535
367	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	540	$job->[2]->send;
371	Coro::cede;	541	Coro::cede;
372	goto next_job;	542	goto next_job;
373	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	545	}
375	}	546	}
376		547
377	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
378	# 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
379	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	551	$signal->wait;
381	} else {	552	} else {
		553	$busy = 0;
382	Coro::schedule;	554	Coro::schedule;
383	}	555	}
384	}	556	}
385	};	557	};
386		558
387	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
388	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
389		563
390	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
391	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
392		567
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
421	=cut	596	=cut
422		597
423	sub sync_job(&) {	598	sub sync_job(&) {
424	my ($job) = @_;	599	my ($job) = @_;
425		600
426	if ($Coro::current == $Coro::main) {	601	if (in_main) {
427	my $time = Event::time;	602	my $time = AE::time;
428		603
429	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
431		606
432	LOG llevError, Carp::longmess "sync job";#d#	607	#LOG llevError, Carp::longmess "sync job";#d#
433		608
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
437		610
438	my $busy = 1;	611	my $busy = 1;
439	my @res;	612	my @res;
440		613
441	(async {	614	(async {
442	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	616	@res = eval { $job->() };
444	warn $@ if $@;	617	error $@ if $@;
445	undef $busy;	618	undef $busy;
446	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
447		620
448	while ($busy) {	621	while ($busy) {
449	if (Coro::nready) {	622	if (Coro::nready) {
450	Coro::cede_notself;	623	Coro::cede_notself;
451	} else {	624	} else {
452	Event::one_event;	625	EV::loop EV::LOOP_ONESHOT;
453	}	626	}
454	}	627	}
455		628
456	$time = Event::time - $time;	629	my $time = AE::time - $time;
457		630
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
462		632
463	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
464	} else {	634	} else {
465	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
466		636
…		…
486	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
487		657
488	$coro	658	$coro
489	}	659	}
490		660
491	=item fork_call { }, $args	661	=item fork_call { }, @args
492		662
493	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
497		667
498	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
499		673
500	sub fork_call(&@) {	674	sub fork_call(&@) {
501	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
502		676
503	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
506		680
507	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
508	reset_signals;	682	cf::post_fork;
509	&$cb	683	&$cb
510	}, @args;	684	} @args;
511		685
512	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
513	}	725	}
514		726
515	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
516		728
517	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
527	within each server.	739	within each server.
528		740
529	=cut	741	=cut
530		742
531	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
532	my ($name) = @_;	747	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
534		749
535	eval {	750	eval {
536	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
546	}	761	}
547		762
548	our $DB;	763	our $DB;
549		764
550	sub db_init {	765	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	766	$DB ||= db_table "db";
553	};
554	}	767	}
555		768
556	sub db_get($$) {	769	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
558		771
559	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
560	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
561		776
562	$! ? ()	777	$! ? ()
563	: $data	778	: $data
564	}
565	}	779	}
566		780
567	sub db_put($$$) {	781	sub db_put($$$) {
568	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		811
598	my @data;	812	my @data;
599	my $md5;	813	my $md5;
600		814
601	for (0 .. $#$src) {	815	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	817	}
605		818
606	# if processing is expensive, check	819	# if processing is expensive, check
607	# checksum first	820	# checksum first
608	if (1) {	821	if (1) {
…		…
625		838
626	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	840	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
629		842
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		844
632	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
635		848
…		…
645		858
646	=cut	859	=cut
647		860
648	sub datalog($@) {	861	sub datalog($@) {
649	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	864	}
652		865
653	=back	866	=back
654		867
655	=cut	868	=cut
656		869
657	#############################################################################	870	#############################################################################
658		871
659	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
660		873
661	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
662	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")
663	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
664		877
665	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>
666	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
…		…
716	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
717		930
718	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
720		933
721	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
722	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.
723		936
724	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
725		938
726	=over 4	939	=over 4
…		…
850		1063
851	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1066
854	} elsif (ref $type) {	1067	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
856		1069
857	} else {	1070	} else {
858	shift @arg;	1071	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
860	}	1073	}
861	}	1074	}
862	}	1075	}
863		1076
864	sub _object_attach {	1077	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
875	}	1088	}
876		1089
877	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
878	} else {	1091	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1093	}
881		1094
882	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
883	}	1096	}
884		1097
…		…
943		1156
944	for (@$callbacks) {	1157	for (@$callbacks) {
945	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
946		1159
947	if ($@) {	1160	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1162	override;
951	}	1163	}
952		1164
953	return 1 if $override;	1165	return 1 if $override;
954	}	1166	}
955		1167
956	0	1168	0
957	}	1169	}
958		1170
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1172
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1174
963	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
964		1176
…		…
1017		1229
1018	sub reattach {	1230	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1232	my ($obj) = @_;
1021		1233
		1234	# no longer needed after getting rid of delete_package?
1022	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
1023		1236
1024	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
1025		1238
1026	@$registry = ();	1239	@$registry = ();
1027		1240
…		…
1032	for (@$attach) {	1245	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1035	}	1248	}
1036	} else {	1249	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1251	}
1039	}	1252	}
1040	}	1253	}
1041		1254
1042	cf::attachable->attach (	1255	cf::attachable->attach (
1043	prio => -1000000,	1256	prio => -1000000,
1044	on_instantiate => sub {	1257	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1046		1259
1047	$data = from_json $data;	1260	$data = decode_json $data;
1048		1261
1049	for (@$data) {	1262	for (@$data) {
1050	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1051		1264
1052	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1070		1283
1071	sync_job {	1284	sync_job {
1072	if (length $$rdata) {	1285	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1076		1290
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	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	}
1081	close $fh;	1298	aio_close $fh;
1082		1299
1083	if (@$objs) {	1300	if (@$objs) {
1084	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) {
1085	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1088	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	}
1089	close $fh;	1309	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1311	}
1092	} else {	1312	} else {
1093	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1094	}	1314	}
1095		1315
1096	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1320	} else {
1098	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1099	}	1322	}
1100	} else {	1323	} else {
1101	aio_unlink $filename;	1324	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1103	}	1326	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1350	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1351	$av = $st->{objs};
1129	}	1352	}
1130		1353
1131	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1134		1358
1135	($data, $av)	1359	($data, $av)
1136	}	1360	}
1137		1361
1138	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1195		1419
1196	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1197	}	1421	}
1198		1422
		1423	use File::Glob ();
		1424
1199	cf::player->attach (	1425	cf::player->attach (
1200	on_command => sub {	1426	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1202		1428
1203	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1204	or return;	1430	or return;
1205		1431
…		…
1228		1454
1229	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1230	if $reply;	1456	if $reply;
1231		1457
1232	} else {	1458	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1460	}
1235		1461
1236	cf::override;	1462	cf::override;
1237	},	1463	},
1238	);	1464	);
1239		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
1240	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1241	cf::sync_job {	1482	cf::sync_job {
1242	my %todo;	1483	my %todo;
1243		1484
1244	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1486	next unless -r $path;
…		…
1263		1504
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1507
1267	$ext{source} =	1508	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1270	. $source	1511	. $source
1271	. "\n};\n1";	1512	. "\n};\n1";
1272		1513
1273	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1274	}	1515	}
1275		1516
		1517	my $pass = 0;
1276	my %done;	1518	my %done;
1277	while (%todo) {	1519	while (%todo) {
1278	my $progress;	1520	my $progress;
1279		1521
		1522	++$pass;
		1523
		1524	ext:
1280	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1527	next ext
1283	unless exists $done{$_};	1528	unless exists $done{$_};
1284	}	1529	}
1285		1530
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1532
1288	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1293	warn $msg;	1540
1294	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1542	delete $todo{$k};
1296	}	1543	} else {
1297		1544	$done{$k} = delete $todo{$k};
1298	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1299	}	1550	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1551	}
1305		1552
1306	skip:	1553	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1309	}	1563	}
1310	};	1564	};
1311	}	1565	}
1312		1566
1313	#############################################################################	1567	#############################################################################
1314		1568
1315	=back	1569	=back
1316		1570
1317	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1318		1572
1319	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1320		1574
1321	=cut	1575	=cut
1322		1576
1323	package cf::player;	1577	package cf::player;
1324		1578
…		…
1367		1621
1368	sub exists($) {	1622	sub exists($) {
1369	my ($login) = @_;	1623	my ($login) = @_;
1370		1624
1371	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1373	}	1627	}
1374		1628
1375	sub find($) {	1629	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1631	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1644	or return;
1391		1645
1392	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1393	or return;	1647	or return;
		1648
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1397	}	1652	}
1398	}	1653	}
1399	}	1654	}
1400		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1401	sub save($) {	1669	sub save($) {
1402	my ($pl) = @_;	1670	my ($pl) = @_;
1403		1671
1404	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1405		1673
…		…
1408		1676
1409	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1410		1678
1411	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1412	$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];
1413		1686
1414	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1688	cf::cede_to_tick;
1416	}	1689	}
1417		1690
…		…
1449	my ($pl) = @_;	1722	my ($pl) = @_;
1450		1723
1451	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1452		1725
1453	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1454	$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
1455		1728
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1459	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1460		1737
1461	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1501		1778
1502	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1503	my $path = path $login;	1780	my $path = path $login;
1504		1781
1505	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1788	}
1511		1789
…		…
1515		1793
1516	\@logins	1794	\@logins
1517	}	1795	}
1518		1796
1519	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1520		1800
1521	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1522	player. May block.	1802	player. May block.
1523		1803
1524	=cut	1804	=cut
…		…
1542	}	1822	}
1543		1823
1544	\@paths	1824	\@paths
1545	}	1825	}
1546		1826
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1828
1549	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1830
1640	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1641		1832
1642	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1643		1834
…		…
1675		1866
1676	=cut	1867	=cut
1677		1868
1678	sub find_by_path($) {	1869	sub find_by_path($) {
1679	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1680		1873
1681	my ($match, $specificity);	1874	my ($match, $specificity);
1682		1875
1683	for my $region (list) {	1876	for my $region (list) {
1684	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1710	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1712		1905
1713	sub generate_random_map {	1906	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1715	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1716	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1720	$rmp->{exit_on_final_map},
1721	$rmp->{xsize}, $rmp->{ysize},
1722	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1723	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1724	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1725	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1726	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1727	(cf::region::find $rmp->{region}), $rmp->{custom}
1728	)
1729	}	1912	}
1730		1913
1731	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1732		1915
1733	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
…		…
1738		1921
1739	sub register {	1922	sub register {
1740	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1741	my $pkg = caller;	1924	my $pkg = caller;
1742		1925
1743	no strict;
1744	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1745		1927
1746	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1747	}	1929	}
1748		1930
1749	# also paths starting with '/'	1931	# also paths starting with '/'
1750	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1751		1933
1752	sub thawer_merge {	1934	sub thawer_merge {
1753	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1754		1936
1755	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1760	}	1942	}
1761		1943
1762	sub normalise {	1944	sub normalise {
1763	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1764		1946
1765	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1766		1948
1767	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1768		1950
1769	# map plan:	1951	# map plan:
1770	#	1952	#
…		…
1785	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1786	$path = "$base/$path";	1968	$path = "$base/$path";
1787	}	1969	}
1788		1970
1789	for ($path) {	1971	for ($path) {
1790	redo if s{//}{/};
1791	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1792	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1793	}	1974	}
1794		1975
1795	$path	1976	$path
…		…
1809	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1810	return $self;	1991	return $self;
1811	}	1992	}
1812	}	1993	}
1813		1994
1814	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1815	()	1996	()
1816	}	1997	}
1817		1998
		1999	# may re-bless or do other evil things
1818	sub init {	2000	sub init {
1819	my ($self) = @_;	2001	my ($self) = @_;
1820		2002
1821	$self	2003	$self
1822	}	2004	}
…		…
1841		2023
1842	# the temporary/swap location	2024	# the temporary/swap location
1843	sub save_path {	2025	sub save_path {
1844	my ($self) = @_;	2026	my ($self) = @_;
1845		2027
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1848	}	2030	}
1849		2031
1850	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1851	sub uniq_path {	2033	sub uniq_path {
1852	my ($self) = @_;	2034	my ($self) = @_;
1853		2035
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1856	}
1857
1858	# and all this just because we cannot iterate over
1859	# all maps in C++...
1860	sub change_all_map_light {
1861	my ($change) = @_;
1862
1863	$_->change_map_light ($change)
1864	for grep $_->outdoor, values %cf::MAP;
1865	}	2038	}
1866		2039
1867	sub decay_objects {	2040	sub decay_objects {
1868	my ($self) = @_;	2041	my ($self) = @_;
1869		2042
…		…
1896	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1897		2070
1898	1	2071	1
1899	}	2072	}
1900		2073
		2074	# used to laod the header of an original map
1901	sub load_header_orig {	2075	sub load_header_orig {
1902	my ($self) = @_;	2076	my ($self) = @_;
1903		2077
1904	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1905	}	2079	}
1906		2080
		2081	# used to laod the header of an instantiated map
1907	sub load_header_temp {	2082	sub load_header_temp {
1908	my ($self) = @_;	2083	my ($self) = @_;
1909		2084
1910	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1911	}	2086	}
1912		2087
		2088	# called after loading the header from an instantiated map
1913	sub prepare_temp {	2089	sub prepare_temp {
1914	my ($self) = @_;	2090	my ($self) = @_;
1915		2091
1916	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1917	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1918	# safety	2094	# safety
1919	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1920	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1921	}	2097	}
1922		2098
		2099	# called after loading the header from an original map
1923	sub prepare_orig {	2100	sub prepare_orig {
1924	my ($self) = @_;	2101	my ($self) = @_;
1925		2102
1926	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1927	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1951		2128
1952	sub find;	2129	sub find;
1953	sub find {	2130	sub find {
1954	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1955		2132
		2133	cf::cede_to_tick;
		2134
1956	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1957		2136
1958	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1960		2139
1961	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1965	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1966	or return;	2142	or return;
1967		2143
1968	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1969		2145
…		…
1971	or return;	2147	or return;
1972		2148
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1976	undef $guard1;	2153	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	2154	$map->reset;
1979	return find $path;	2155	return find $path;
1980	}	2156	}
1981		2157
1982	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1983	}	2159	}
1984	}	2160	}
1985		2161
1986	sub pre_load { }	2162	sub pre_load { }
1987	sub post_load { }	2163	#sub post_load { } # XS
1988		2164
1989	sub load {	2165	sub load {
1990	my ($self) = @_;	2166	my ($self) = @_;
1991		2167
1992	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1997	my $guard = cf::lock_acquire "map_data:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1998		2174
1999	return unless $self->valid;	2175	return unless $self->valid;
2000	return unless $self->in_memory == cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
2001		2177
2002	$self->in_memory (cf::MAP_LOADING);
2003
2004	$self->alloc;	2178	$self->alloc;
2005		2179
2006	$self->pre_load;	2180	$self->pre_load;
2007	cf::cede_to_tick;	2181	cf::cede_to_tick;
2008		2182
		2183	if (exists $self->{load_path}) {
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2184	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2185	$f->skip_block;
2011	$self->_load_objects ($f)	2186	$self->_load_objects ($f)
2012	or return;	2187	or return;
2013		2188
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
2015	if delete $self->{load_original};	2190	if delete $self->{load_original};
2016		2191
2017	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2193	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2194	unless (aio_stat $uniq) {
2020	if (my $f = new_from_file cf::object::thawer $uniq) {	2195	if (my $f = new_from_file cf::object::thawer $uniq) {
2021	$self->clear_unique_items;	2196	$self->clear_unique_items;
2022	$self->_load_objects ($f);	2197	$self->_load_objects ($f);
2023	$f->resolve_delayed_derefs;	2198	$f->resolve_delayed_derefs;
		2199	}
2024	}	2200	}
2025	}	2201	}
2026	}
2027		2202
2028	$f->resolve_delayed_derefs;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
		2208
		2209	$self->in_memory (cf::MAP_INACTIVE);
2029		2210
2030	cf::cede_to_tick;	2211	cf::cede_to_tick;
2031	# now do the right thing for maps	2212	# now do the right thing for maps
2032	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
2033	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
2037	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
2038	$self->decay_objects;	2219	$self->decay_objects;
2039	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
2040	$self->update_buttons;	2221	$self->update_buttons;
2041	cf::cede_to_tick;	2222	cf::cede_to_tick;
2042	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
2043	cf::cede_to_tick;
2044	$self->activate;
2045	}	2224	}
2046		2225
2047	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
2049
2050	$self->in_memory (cf::MAP_IN_MEMORY);
2051	}	2228	}
2052		2229
2053	$self->post_load;	2230	$self->post_load;
2054	}
2055		2231
		2232	1
		2233	}
		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
2056	sub customise_for {	2238	sub customise_for {
2057	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
2058		2240
2059	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
2060	if $self->per_player;	2242	if $self->per_player;
…		…
2076	or next;	2258	or next;
2077	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
2078	or next;	2260	or next;
2079	$neigh->load;	2261	$neigh->load;
2080		2262
		2263	# now find the diagonal neighbours
2081	push @neigh,	2264	push @neigh,
2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2084	}	2267	}
2085		2268
…		…
2092	}	2275	}
2093		2276
2094	sub find_sync {	2277	sub find_sync {
2095	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
2096		2279
2097	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
2098	}	2285	}
2099		2286
2100	sub do_load_sync {	2287	sub do_load_sync {
2101	my ($map) = @_;	2288	my ($map) = @_;
2102		2289
		2290	# it's a bug to call this from the main context
2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2104	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2105		2293
2106	cf::sync_job { $map->load };	2294	$map->load;
2107	}	2295	}
2108		2296
2109	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2110	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2111		2299
2112	sub find_async {	2300	sub find_async {
2113	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2114		2302
2115	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2116		2304
2117	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
2119	}	2307	}
2120		2308
2121	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2122		2310
2123	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
…		…
2137	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2138		2326
2139	()	2327	()
2140	}	2328	}
2141		2329
		2330	# common code, used by both ->save and ->swapout
2142	sub save {	2331	sub _save {
2143	my ($self) = @_;	2332	my ($self) = @_;
2144
2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
2146		2333
2147	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2148		2335
2149	return unless $self->dirty;	2336	return unless $self->dirty;
2150		2337
…		…
2159		2346
2160	cf::async {	2347	cf::async {
2161	$Coro::current->{desc} = "map player save";	2348	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2163	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2164		2353
2165	if ($uniq) {	2354	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2357	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2170	}	2359	}
2171	}	2360	}
2172		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2173	sub swap_out {	2370	sub swap_out {
2174	my ($self) = @_;	2371	my ($self) = @_;
2175		2372
2176	# save first because save cedes
2177	$self->save;
2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
2181	return if $self->players;	2377	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
2183	return if $self->{deny_save};
2184		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->in_memory (cf::MAP_SWAPPED);	2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
		2388	$self->clear;
		2389	}
		2390
		2391	sub reset_at {
		2392	my ($self) = @_;
		2393
		2394	# TODO: safety, remove and allow resettable per-player maps
		2395	return 1e99 if $self->{deny_reset};
		2396
		2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2399
		2400	$time + $to
		2401	}
		2402
		2403	sub should_reset {
		2404	my ($self) = @_;
		2405
		2406	$self->reset_at <= $cf::RUNTIME
		2407	}
		2408
		2409	sub reset {
		2410	my ($self) = @_;
		2411
		2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2413
		2414	return if $self->players;
		2415
		2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->in_memory (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($self->{deny_save}) {
		2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2423
		2424	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2425	if $uniq;
		2426	}
		2427
		2428	delete $cf::MAP{$self->path};
2186		2429
2187	$self->deactivate;	2430	$self->deactivate;
2188	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2189	$self->clear;	2432	$self->clear;
2190	}
2191
2192	sub reset_at {
2193	my ($self) = @_;
2194
2195	# TODO: safety, remove and allow resettable per-player maps
2196	return 1e99 if $self->{deny_reset};
2197
2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2200
2201	$time + $to
2202	}
2203
2204	sub should_reset {
2205	my ($self) = @_;
2206
2207	$self->reset_at <= $cf::RUNTIME
2208	}
2209
2210	sub reset {
2211	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214
2215	return if $self->players;
2216
2217	warn "resetting map ", $self->path;
2218
2219	$self->in_memory (cf::MAP_SWAPPED);
2220
2221	# need to save uniques path
2222	unless ($self->{deny_save}) {
2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
2224
2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2226	if $uniq;
2227	}
2228
2229	delete $cf::MAP{$self->path};
2230
2231	$self->deactivate;
2232	$_->clear_links_to ($self) for values %cf::MAP;
2233	$self->clear;
2234		2433
2235	$self->unlink_save;	2434	$self->unlink_save;
2236	$self->destroy;	2435	$self->destroy;
2237	}	2436	}
2238		2437
…		…
2246		2445
2247	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2248		2447
2249	$self->unlink_save;	2448	$self->unlink_save;
2250		2449
2251	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2252	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2253	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2254	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2256		2455
…		…
2305		2504
2306	sub unique_maps() {	2505	sub unique_maps() {
2307	[	2506	[
2308	map {	2507	map {
2309	utf8::decode $_;	2508	utf8::decode $_;
2310	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2311	? normalise $_	2512	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2514	]
2315	}	2515	}
2316		2516
2317	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2318		2548
2319	=back	2549	=back
2320		2550
2321	=head3 cf::object	2551	=head3 cf::object
2322		2552
…		…
2326		2556
2327	=over 4	2557	=over 4
2328		2558
2329	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2330		2560
2331	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2332		2563
2333	=cut	2564	=cut
2334		2565
2335	sub inv_recursive_;	2566	sub inv_recursive_;
2336	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2342	}	2573	}
2343		2574
2344	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2345		2576
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2577	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2578
2348	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2349		2580
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2385		2616
2386	=cut	2617	=cut
2387		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
		2632
2388	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2634	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2650
2406	} else {	2651	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2654	}
2410	}	2655	}
2411	}	2656	}
2412		2657
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2683
2439	=item $player_object->enter_link	2684	=item $player_object->enter_link
2440		2685
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2687
2443	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2445		2692
2446	Will never block.	2693	Will never block.
2447		2694
2448	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2449		2696
…		…
2469	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2470	my ($self) = @_;	2717	my ($self) = @_;
2471		2718
2472	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2473		2720
		2721	++$self->{_link_recursion};
		2722
2474	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2475		2724
2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2477	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2478		2727
2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2480	}	2729	}
2481		2730
2482	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2483	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2484		2733
…		…
2501	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2502	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2503		2752
2504	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2505	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2506	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2507		2756
2508	$map->load;	2757	$map->load;
2509	$map->load_neighbours;	2758	$map->load_neighbours;
2510		2759
2511	return unless $self->contr->active;	2760	return unless $self->contr->active;
2512	$self->activate_recursive;
2513		2761
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2516	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2517		2769
		2770	}
		2771
2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2519		2773
2520	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2777	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2778	be called at the end of this process.
2525		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
2526	=cut	2783	=cut
2527		2784
2528	our $GOTOGEN;	2785	our $GOTOGEN;
2529		2786
2530	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2531	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2532		2795
2533	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2535		2798
2536	$self->enter_link;	2799	$self->enter_link;
…		…
2556	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2557	}	2820	}
2558	}	2821	}
2559		2822
2560	my $map = eval {	2823	my $map = eval {
2561	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2562		2825
2563	if ($map) {	2826	if ($map) {
2564	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2565	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2566	} else {	2829	} else {
2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2568	}	2831	}
2569		2832
2570	$map	2833	$map
…		…
2578	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2579	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2580	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2581	}	2844	}
2582		2845
2583	$done->() if $done;	2846	$done->($self) if $done;
2584	})->prio (1);	2847	})->prio (1);
2585	}	2848	}
2586		2849
2587	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2588		2851
…		…
2608	}	2871	}
2609		2872
2610	sub prepare_random_map {	2873	sub prepare_random_map {
2611	my ($exit) = @_;	2874	my ($exit) = @_;
2612		2875
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2878	# that depends on the exit object
2618		2879
2619	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2882	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2626	}	2889	}
2627		2890
2628	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2629		2892
2630	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2633		2896
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2899	undef $fh;
2637	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2638		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2641	}	2908	}
2642	}	2909	}
2643		2910
2644	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2646		2913
2647	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2648		2915
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2916	$self->enter_link;
2661		2917
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2918	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2919	$Coro::current->{desc} = "enter_exit";
2668		2920
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2671	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2672		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2673	1;	2957	1
2674	}) {	2958	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2963
2680	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2681	$self->leave_link;	2965	$self->leave_link;
2682	}	2966	}
2683	})->prio (1);	2967	})->prio (1);
2684	}	2968	}
2685		2969
…		…
2697	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
2698	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
2699		2983
2700	utf8::encode $text;	2984	utf8::encode $text;
2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2986	}
		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
2702	}	3011	}
2703		3012
2704	=item $client->send_msg ($channel, $msg, $color, [extra...])	3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
2705		3014
2706	Send a drawinfo or msg packet to the client, formatting the msg for the	3015	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2710		3019
2711	=cut	3020	=cut
2712		3021
2713	# non-persistent channels (usually the info channel)	3022	# non-persistent channels (usually the info channel)
2714	our %CHANNEL = (	3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
2715	"c/identify" => {	3030	"c/identify" => {
2716	id => "infobox",	3031	id => "infobox",
2717	title => "Identify",	3032	title => "Identify",
2718	reply => undef,	3033	reply => undef,
2719	tooltip => "Items recently identified",	3034	tooltip => "Items recently identified",
…		…
2721	"c/examine" => {	3036	"c/examine" => {
2722	id => "infobox",	3037	id => "infobox",
2723	title => "Examine",	3038	title => "Examine",
2724	reply => undef,	3039	reply => undef,
2725	tooltip => "Signs and other items you examined",	3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
2726	},	3047	},
2727	"c/book" => {	3048	"c/book" => {
2728	id => "infobox",	3049	id => "infobox",
2729	title => "Book",	3050	title => "Book",
2730	reply => undef,	3051	reply => undef,
…		…
2746	id => "infobox",	3067	id => "infobox",
2747	title => "Body Parts",	3068	title => "Body Parts",
2748	reply => undef,	3069	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	3070	tooltip => "Shows which body parts you posess and are available",
2750	},	3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
2751	"c/uptime" => {	3108	"c/uptime" => {
2752	id => "infobox",	3109	id => "infobox",
2753	title => "Uptime",	3110	title => "Uptime",
2754	reply => undef,	3111	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	3112	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	3115	id => "infobox",
2759	title => "Map Info",	3116	title => "Map Info",
2760	reply => undef,	3117	reply => undef,
2761	tooltip => "Information related to the maps",	3118	tooltip => "Information related to the maps",
2762	},	3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
2763	);	3134	);
2764		3135
2765	sub cf::client::send_msg {	3136	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	3137	my ($self, $channel, $msg, $color, @extra) = @_;
2767		3138
2768	$msg = $self->pl->expand_cfpod ($msg);	3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
2769		3141
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		3143
2772	# check predefined channels, for the benefit of C	3144	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	3145	if ($CHANNEL{$channel}) {
2774	$channel = $CHANNEL{$channel};	3146	$channel = $CHANNEL{$channel};
2775		3147
2776	$self->ext_msg (channel_info => $channel)	3148	$self->ext_msg (channel_info => $channel);
2777	if $self->can_msg;
2778
2779	$channel = $channel->{id};	3149	$channel = $channel->{id};
2780		3150
2781	} elsif (ref $channel) {	3151	} elsif (ref $channel) {
2782	# send meta info to client, if not yet sent	3152	# send meta info to client, if not yet sent
2783	unless (exists $self->{channel}{$channel->{id}}) {	3153	unless (exists $self->{channel}{$channel->{id}}) {
2784	$self->{channel}{$channel->{id}} = $channel;	3154	$self->{channel}{$channel->{id}} = $channel;
2785	$self->ext_msg (channel_info => $channel)	3155	$self->ext_msg (channel_info => $channel);
2786	if $self->can_msg;
2787	}	3156	}
2788		3157
2789	$channel = $channel->{id};	3158	$channel = $channel->{id};
2790	}	3159	}
2791		3160
2792	return unless @extra || length $msg;	3161	return unless @extra || length $msg;
2793		3162
2794	if ($self->can_msg) {
2795	# default colour, mask it out	3163	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	3165	if $color & cf::NDI_DEF;
2798		3166
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2801	} else {	3170	);
2802	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {
2805	1 while
2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811	}
2812		3171
2813	$color &= cf::NDI_COLOR_MASK;	3172	$self->send_big_packet ($pkt);
2814
2815	utf8::encode $msg;
2816
2817	if (0 && $msg =~ /\[/) {
2818	# COMMAND/INFO
2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
2820	} else {
2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822	$self->send_packet ("drawinfo $color $msg")
2823	}
2824	}
2825	}
2826	}	3173	}
2827		3174
2828	=item $client->ext_msg ($type, @msg)	3175	=item $client->ext_msg ($type, @msg)
2829		3176
2830	Sends an ext event to the client.	3177	Sends an ext event to the client.
…		…
2833		3180
2834	sub cf::client::ext_msg($$@) {	3181	sub cf::client::ext_msg($$@) {
2835	my ($self, $type, @msg) = @_;	3182	my ($self, $type, @msg) = @_;
2836		3183
2837	if ($self->extcmd == 2) {	3184	if ($self->extcmd == 2) {
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839	} elsif ($self->extcmd == 1) { # TODO: remove	3186	} elsif ($self->extcmd == 1) { # TODO: remove
2840	push @msg, msgtype => "event_$type";	3187	push @msg, msgtype => "event_$type";
2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2842	}	3189	}
2843	}	3190	}
2844		3191
2845	=item $client->ext_reply ($msgid, @msg)	3192	=item $client->ext_reply ($msgid, @msg)
2846		3193
…		…
2850		3197
2851	sub cf::client::ext_reply($$@) {	3198	sub cf::client::ext_reply($$@) {
2852	my ($self, $id, @msg) = @_;	3199	my ($self, $id, @msg) = @_;
2853		3200
2854	if ($self->extcmd == 2) {	3201	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2856	} elsif ($self->extcmd == 1) {	3203	} elsif ($self->extcmd == 1) {
2857	#TODO: version 1, remove	3204	#TODO: version 1, remove
2858	unshift @msg, msgtype => "reply", msgid => $id;	3205	unshift @msg, msgtype => "reply", msgid => $id;
2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2860	}	3207	}
2861	}	3208	}
2862		3209
2863	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2864		3211
…		…
2935		3282
2936	$ns->ext_reply ($reply, @reply)	3283	$ns->ext_reply ($reply, @reply)
2937	if $reply;	3284	if $reply;
2938		3285
2939	} else {	3286	} else {
2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2941	}	3288	}
2942		3289
2943	cf::override;	3290	cf::override;
2944	},	3291	},
2945	);	3292	);
…		…
2965		3312
2966	$coro	3313	$coro
2967	}	3314	}
2968		3315
2969	cf::client->attach (	3316	cf::client->attach (
2970	on_destroy => sub {	3317	on_client_destroy => sub {
2971	my ($ns) = @_;	3318	my ($ns) = @_;
2972		3319
2973	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2974	},	3321	},
2975	);	3322	);
…		…
2991	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2992		3339
2993	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2994		3341
2995	$safe->permit_only (Opcode::opset qw(	3342	$safe->permit_only (Opcode::opset qw(
2996	:base_core :base_mem :base_orig :base_math	3343	:base_core :base_mem :base_orig :base_math :base_loop
2997	grepstart grepwhile mapstart mapwhile	3344	grepstart grepwhile mapstart mapwhile
2998	sort time	3345	sort time
2999	));	3346	));
3000		3347
3001	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
…		…
3004		3351
3005	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
3006		3353
3007	cf::object	3354	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3355	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3356	insert remove name archname title slaying race decrease split
		3357	value
3010		3358
3011	cf::object::player	3359	cf::object::player
3012	player	3360	player
3013		3361
3014	cf::player	3362	cf::player
…		…
3019		3367
3020	=cut	3368	=cut
3021		3369
3022	for (	3370	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3372	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3373	decrease split destroy change_exp value msg lore send_msg)],
3026	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
3028	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
3029	) {	3377	) {
3030	no strict 'refs';
3031	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
3032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3033	for @funs;	3380	for @funs;
3034	}	3381	}
3035		3382
…		…
3050		3397
3051	my $qcode = $code;	3398	my $qcode = $code;
3052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3053	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
3054		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
3055	local $_;	3405	local $_;
3056	local @safe::cf::_safe_eval_args = values %vars;
3057		3406
3058	my $eval =	3407	my $eval =
3059	"do {\n"	3408	"do {\n"
3060	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3061	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
3062	. $code	3411	. $code
3063	. "\n}"	3412	. "\n}"
3064	;	3413	;
3065		3414
		3415	if ($CFG{safe_eval}) {
3066	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
3067	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3068	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
3069		3424
3070	if ($@) {	3425	if ($@) {
3071	warn "$@";	3426	warn "$@",
3072	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
3073	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
3074	}	3429	}
3075		3430
3076	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
3077	}	3432	}
3078		3433
…		…
3092	=cut	3447	=cut
3093		3448
3094	sub register_script_function {	3449	sub register_script_function {
3095	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
3096		3451
3097	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
3098	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
3099	}	3454	}
3100		3455
3101	=back	3456	=back
3102		3457
3103	=cut	3458	=cut
…		…
3112	# for this (global event?)	3467	# for this (global event?)
3113	%ext::player_env::MUSIC_FACE_CACHE = ();	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
3114		3469
3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3116		3471
3117	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
3118		3473
3119	my $facedata;	3474	my $facedata = decode_storable load_file $path;
3120	0 < aio_load $path, $facedata
3121	or die "$path: $!";
3122
3123	$facedata = Coro::Storable::thaw $facedata;
3124		3475
3125	$facedata->{version} == 2	3476	$facedata->{version} == 2
3126	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
3127		3478
3128	# patch in the exptable	3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3129	$facedata->{resource}{"res/exp_table"} = {	3481	$facedata->{resource}{"res/exp_table"} = {
3130	type => FT_RSRC,	3482	type => FT_RSRC,
3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
3132	};	3485	};
3133	cf::cede_to_tick;	3486	cf::cede_to_tick;
3134		3487
3135	{	3488	{
3136	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
3137		3490
3138	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
3140	cf::face::set_visibility $idx, $info->{visibility};	3494	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3495	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3144		3499
3145	cf::cede_to_tick;	3500	cf::cede_to_tick;
3146	}	3501	}
3147		3502
3148	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
3150	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
3151	or next;	3507	or next;
		3508
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3510	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3512	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
3157	}	3514	}
3158		3515
3159	cf::cede_to_tick;	3516	cf::cede_to_tick;
3160	}	3517	}
3161	}	3518	}
…		…
3170		3527
3171	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
3172	}	3529	}
3173		3530
3174	{	3531	{
3175	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3532	my $res = $facedata->{resource};
3178		3533
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;
3184		3537
3185	if ($info->{type} & 1) {	3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3186	# prepend meta info	3539	cf::face::set_type $idx, $info->{type};
3187
3188	my $meta = $enc->encode ({
3189	name => $name,
3190	%{ $info->{meta} || {} },
3191	});
3192
3193	$data = pack "(w/a*)*", $meta, $info->{data};
3194	} else {	3540	} else {
3195	$data = $info->{data};	3541	$RESOURCE{$name} = $info; # unused
3196	}	3542	}
3197		3543
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3544	cf::cede_to_tick;
3202	}	3545	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3549
3223	1	3550	1
3224	}	3551	}
3225		3552
3226	register_exticmd fx_want => sub {	3553	register_exticmd fx_want => sub {
…		…
3228		3555
3229	while (my ($k, $v) = each %$want) {	3556	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3557	$ns->fx_want ($k, $v);
3231	}	3558	}
3232	};	3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
3233		3570
3234	sub reload_regions {	3571	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3572	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3573	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3574	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3588	}
3252		3589
3253	sub reload_archetypes {	3590	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3591	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3592	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3593	}
3262		3594
3263	sub reload_treasures {	3595	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
3266	}	3598	}
3267		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
3268	sub reload_resources {	3620	sub reload_resources {
3269	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
3270		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
3271	reload_regions;	3628	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3629	reload_treasures;
3276		3630
3277	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
3278	}
3279
3280	sub init {
3281	reload_resources;
3282	}	3632	}
3283		3633
3284	sub reload_config {	3634	sub reload_config {
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3635	trace "reloading config file...\n";
3286	or return;
3287		3636
3288	local $/;	3637	my $config = load_file "$CONFDIR/config";
3289	*CFG = YAML::Syck::Load <$fh>;	3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
3290		3640
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3292		3642
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3295		3645
3296	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
3300	};	3650	};
3301	warn $@ if $@;	3651	warn $@ if $@;
3302	}	3652	}
3303	}	3653	}
3304		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
3305	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
3306	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3696	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3698	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
3313	};	3700	};
3314		3701
		3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
3315	reload_config;	3714	reload_config;
3316	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
3317	load_extensions;	3725	load_extensions;
3318		3726
3319	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
3320	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
3321	}	3745	}
3322		3746
3323	#############################################################################	3747	#############################################################################
3324	# initialisation and cleanup	3748	# initialisation and cleanup
3325		3749
3326	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
3327	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
3336	},
3337	);	3756	};
3338	}	3757	}
3339	}	3758	}
3340		3759
3341	sub write_runtime {	3760	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";	3761	my $t0 = AE::time;
3343		3762
3344	# first touch the runtime file to show we are still running:	3763	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3764	# the fsync below can take a very very long time.
3346		3765
3347	IO::AIO::aio_utime $runtime, undef, undef;	3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3767
3349	my $guard = cf::lock_acquire "write_runtime";	3768	my $guard = cf::lock_acquire "write_runtime";
3350		3769
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3352	or return;	3771	or return;
3353		3772
3354	my $value = $cf::RUNTIME + 90 + 10;	3773	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3774	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3775	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3785	aio_utime $fh, undef, undef;
3367		3786
3368	close $fh	3787	close $fh
3369	or return;	3788	or return;
3370		3789
3371	aio_rename "$runtime~", $runtime	3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3791	and return;
3373		3792
3374	warn "runtime file written.\n";	3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3375		3794
3376	1	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
3377	}	3846	}
3378		3847
3379	sub emergency_save() {	3848	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
3381		3850
3382	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
3383		3857
3384	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
3385	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
3386	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
3387	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
3388	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
3389	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
3390	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
3391	$pl->valid or next;	3867	$pl->valid or next;
3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3393	$pl->save;	3869	$pl->save;
3394	}	3870	}
3395	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
3396		3872
3397	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
3398	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
3399	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
3400	$map->valid or next;	3878	$map->valid or next;
3401	$map->save;	3879	$map->save;
3402	}	3880	}
3403	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
3404		3882
3405	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
3408	};	3911	};
3409		3912
3410	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
3411	}	3914	}
3412		3915
3413	sub post_cleanup {	3916	sub post_cleanup {
3414	my ($make_core) = @_;	3917	my ($make_core) = @_;
3415		3918
		3919	IO::AIO::flush;
		3920
3416	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
3418	}	3951	}
3419		3952
3420	sub do_reload_perl() {	3953	sub do_reload_perl() {
3421	# can/must only be called in main	3954	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
3423	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
3424	return;	3957	return;
3425	}	3958	}
3426		3959
3427	warn "reloading...";	3960	return if $RELOAD++;
3428		3961
3429	warn "entering sync_job";	3962	my $t1 = AE::time;
3430		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
3431	cf::sync_job {	3970	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark
3433	cf::emergency_save;	3971	#cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark
3435		3972
3436	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;
3438
3439	# if anything goes wrong in here, we should simply crash as we already saved
3440
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;
3452	warn "iterate...";
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();	3975	%EXT_CORO = ();
3460		3976
3461	warn "removing commands";	3977	trace "perl_reload: removing commands";
3462	%COMMAND = ();	3978	%COMMAND = ();
3463		3979
3464	warn "removing ext/exti commands";	3980	trace "perl_reload: removing ext/exti commands";
3465	%EXTCMD = ();	3981	%EXTCMD = ();
3466	%EXTICMD = ();	3982	%EXTICMD = ();
3467		3983
3468	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
3471		3987
3472	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
3473	eval {	3989	eval {
3474	$cb->($pkg);	3990	$cb->($pkg);
3475	1	3991	1
3476	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
3477	}	3997	}
3478		3998
3479	warn "... nuking $pkg";
3480	Symbol::delete_package $pkg;
3481	}
3482
3483	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3484	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		4002
3487	warn "... unloading $k";	4003	trace "... unloading $k";
3488	delete $INC{$k};	4004	delete $INC{$k};
3489		4005
3490	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
3492		4008
3493	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
3494	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
3495	}	4014	}
3496		4015
3497	Symbol::delete_package $k;
3498	}
3499
3500	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		4019
3504	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3507		4023
3508	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
3509	# and global variables created in xs	4025	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
3511		4027
3512	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
3513		4029
3514	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
3515	require cf;	4031	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
3517		4033
3518	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
3519	cf::reload_config;	4035	cf::reload_config;
3520		4036
3521	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
3522	cf::load_extensions;	4038	cf::load_extensions;
3523		4039
		4040	if ($REATTACH_ON_RELOAD) {
3524	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
3527	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
3530		4048
3531	warn "leaving sync_job";	4049	cf::_post_init 1;
3532		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
3533	1	4053	1
3534	} or do {	4054	} or do {
3535	warn $@;	4055	error $@;
3536	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
3537	exit 1;	4057	};
		4058
		4059	--$RELOAD;
3538	};	4060	}
3539		4061
3540	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
3541	};	4064	};
3542		4065
3543	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
3544		4067
3545	sub reload_perl() {	4068	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
3548		4071
3549	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
3550	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
3551	after => 0,	4074
3552	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3553	cb => sub {
3554	do_reload_perl;	4076	do_reload_perl;
3555	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
3556	},	4078	};
3557	);	4079	};
3558	}	4080	}
3559		4081
3560	register_command "reload" => sub {	4082	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
3562		4084
…		…
3567	reload_perl;	4089	reload_perl;
3568	};	4090	};
3569	}	4091	}
3570	};	4092	};
3571		4093
3572	unshift @INC, $LIBDIR;	4094	#############################################################################
3573		4095
3574	my $bug_warning = 0;	4096	my $bug_warning = 0;
3575		4097
3576	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
3578		4100
3579	sub wait_for_tick {	4101	sub wait_for_tick() {
3580	return unless $TICK_WATCHER->is_active;
3581	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3582		4103
3583	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
3584	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;	4106	$signal->wait;
3586	}	4107	}
3587		4108
3588	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
3589	return unless $TICK_WATCHER->is_active;
3590	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3591		4111
3592	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	4114	$signal->wait;
3595	}	4115	}
3596		4116
3597	$TICK_WATCHER = Event->timer (	4117	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
3607	return;	4121	return;
3608	}	4122	}
3609		4123
3610	$NOW = $tick_start = Event::time;
3611
3612	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
3613		4125
3614	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3615	$NEXT_TICK += $TICK;
3616		4127
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	4130	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	4131	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	4132	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
3623	};
3624	}	4134	};
		4135	}
3625		4136
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	4138	$sig->send;
3628	}	4139	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
3630	$sig->send;	4141	$sig->send;
3631	}	4142	}
3632		4143
3633	$NOW = Event::time;	4144	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		4146
3644	_post_tick;	4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
3645	},	4153	}
3646	);	4154	}
3647		4155
3648	{	4156	{
		4157	# configure BDB
		4158
3649	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
3650	BDB::max_poll_time $TICK * 0.1;	4160	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	4161	$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		4162
3675	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		4170
3682	cf::sync_job {	4171	cf::sync_job {
3683	eval {	4172	eval {
…		…
3693		4182
3694	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	4184	};
3696	}	4185	}
3697		4186
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	4189	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	4192	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	4195	};
3728	}	4196	}
3729		4197
3730	{	4198	{
		4199	# configure IO::AIO
		4200
3731	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	4204	}
3744		4205
3745	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
3746		4208
3747	sub _log_backtrace {	4209	sub _log_backtrace {
3748	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
3749		4211
3750	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
3751		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3752	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
3754	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
3755	async {	4222	async {
3756	$Coro::current->{desc} = "abt $msg";	4223	$Coro::current->{desc} = "abt $msg";
3757		4224
3758	my @bt = fork_call {	4225	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	4237	}
3771		4238
3772	@funcs	4239	@funcs
3773	};	4240	};
3774		4241
3775	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	4245	--$_log_backtrace;
3778	};	4246	};
3779	} else {	4247	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3781	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3782	}	4250	}
3783	}	4251	}
3784		4252
3785	# load additional modules	4253	# load additional modules
3786	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3787		4256
3788	END { cf::emergency_save }	4257	END { cf::emergency_save }
3789		4258
3790	1	4259	1
3791		4260

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