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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.364 by root, Tue Sep 11 08:41:11 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	129	our $DB_ENV;
88		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
89	our %CFG;	133	our %CFG;
90		134
91	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
93		138
94	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
97		142
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		145
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
103	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 $REALLY_UNLOOP; # never set to true, please :)
104		155
105	binmode STDOUT;	156	binmode STDOUT;
106	binmode STDERR;	157	binmode STDERR;
107		158
108	# read virtual server time, if available	159	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
113	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
114		167
115	mkdir $_	168	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		170
118	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
119		172
120	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::"} };
121		189
122	#############################################################################	190	#############################################################################
123		191
124	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
125		193
…		…
161		229
162	The raw value load value from the last tick.	230	The raw value load value from the last tick.
163		231
164	=item %cf::CFG	232	=item %cf::CFG
165		233
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	235	from wherever your confdir points to.
168		236
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		238
171	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
172	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
173	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.
174		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
175	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
176		249
177	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
178	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
179	that call.	252	that call.
180		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
181	=back	260	=back
182		261
183	=cut	262	=cut
184		263
185	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	271	my $msg = join "", @_;
188		272
189	$msg .= "\n"	273	$msg .= "\n"
190	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
191		275
192	$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;
193		277
194	LOG llevError, $msg;	278	LOG llevWarn, $msg;
195	};	279	};
196	}	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	};
197		294
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	305	for my $pkg (qw(
209	cf::global cf::attachable	306	cf::global cf::attachable
210	cf::object cf::object::player	307	cf::object cf::object::player
211	cf::client cf::player	308	cf::client cf::player
212	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
213	cf::map cf::party cf::region	311	cf::party cf::region
214	)) {	312	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	314	}
218		315
219	$Event::DIED = sub {	316	$EV::DIED = sub {
220	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
221	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
222		324
223	#############################################################################	325	#############################################################################
224		326
225	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
226		328
…		…
247	$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;
248	$d	350	$d
249	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
250	}	352	}
251		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
252	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
253		369
254	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
255		371
256	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
257		373
258	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
259		375
260	=cut	376	=cut
261		377
262	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
263		379
264	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
265	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	}
266		444
267	=item cf::lock_wait $string	445	=item cf::lock_wait $string
268		446
269	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
270		448
271	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
272		450
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
276	returned.	454	returned.
277		455
278	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
279	deadlocked coro.	457	deadlocked coro.
…		…
285		463
286	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.
287		465
288	=cut	466	=cut
289		467
290	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		469
293	sub lock_wait($) {	470	sub lock_wait($) {
294	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	472	}
307		473
308	sub lock_acquire($) {	474	sub lock_acquire($) {
309	my ($key) = @_;	475	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	476	}
323		477
324	sub lock_active($) {	478	sub lock_active($) {
325	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	480	}
329		481
330	sub freeze_mainloop {	482	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
332		484
333	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	486	}
335	};	487
336	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
337	$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
338	}	501	}
339		502
340	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
341		504
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
343	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
344	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
345		512
346	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
347	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
348		515
349	Useful for short background jobs.	516	Useful for short background jobs.
350		517
351	=cut	518	=cut
352		519
353	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
355		523
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
358	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
359		530
360	while () {	531	while () {
361	next_job:	532	next_job:
		533
362	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	535
364	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	540	$job->[2]->send;
368	Coro::cede;	541	Coro::cede;
369	goto next_job;	542	goto next_job;
370	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	545	}
372	}	546	}
373		547
374	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
375	# 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
376	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
377	$signal->wait;	551	$signal->wait;
378	} else {	552	} else {
		553	$busy = 0;
379	Coro::schedule;	554	Coro::schedule;
380	}	555	}
381	}	556	}
382	};	557	};
383		558
384	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
385	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
386		563
387	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
388	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
389		567
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
403		581
404	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
405		583
406	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
407		585
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
409	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411	acceptable.	589	acceptable.
412		590
413	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
414	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
418	=cut	596	=cut
419		597
420	sub sync_job(&) {	598	sub sync_job(&) {
421	my ($job) = @_;	599	my ($job) = @_;
422		600
423	if ($Coro::current == $Coro::main) {	601	if (in_main) {
424	my $time = Event::time;	602	my $time = AE::time;
425		603
426	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
428		606
429	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	608
431	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
432		610
433	my $busy = 1;	611	my $busy = 1;
434	my @res;	612	my @res;
435		613
436	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	616	@res = eval { $job->() };
438	warn $@ if $@;	617	error $@ if $@;
439	undef $busy;	618	undef $busy;
440	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
441		620
442	while ($busy) {	621	while ($busy) {
443	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
444	}	626	}
		627	}
445		628
446	$time = Event::time - $time;	629	my $time = AE::time - $time;
447		630
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
452		632
453	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
454	} else {	634	} else {
455	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
456		636
…		…
476	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
477		657
478	$coro	658	$coro
479	}	659	}
480		660
481	=item fork_call { }, $args	661	=item fork_call { }, @args
482		662
483	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
484	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
485	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
486	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
487		667
488	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
489		673
490	sub fork_call(&@) {	674	sub fork_call(&@) {
491	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
492		676
493	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
494	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
495	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
496		680
497	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
498	reset_signals;	682	cf::post_fork;
499	&$cb	683	&$cb
500	}, @args;	684	} @args;
501		685
502	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
503	}	725	}
504		726
505	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
506		728
507	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
517	within each server.	739	within each server.
518		740
519	=cut	741	=cut
520		742
521	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
522	my ($name) = @_;	747	my ($name) = @_;
523	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
524		749
525	eval {	750	eval {
526	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
536	}	761	}
537		762
538	our $DB;	763	our $DB;
539		764
540	sub db_init {	765	sub db_init {
541	cf::sync_job {
542	$DB ||= db_table "db";	766	$DB ||= db_table "db";
543	};
544	}	767	}
545		768
546	sub db_get($$) {	769	sub db_get($$) {
547	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
548		771
549	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
550	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
551		776
552	$! ? ()	777	$! ? ()
553	: $data	778	: $data
554	}
555	}	779	}
556		780
557	sub db_put($$$) {	781	sub db_put($$$) {
558	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
587		811
588	my @data;	812	my @data;
589	my $md5;	813	my $md5;
590		814
591	for (0 .. $#$src) {	815	for (0 .. $#$src) {
592	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
593	or Carp::croak "$src->[$_]: $!";
594	}	817	}
595		818
596	# if processing is expensive, check	819	# if processing is expensive, check
597	# checksum first	820	# checksum first
598	if (1) {	821	if (1) {
…		…
615		838
616	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
617	my $data = $process->(\@data);	840	my $data = $process->(\@data);
618	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
619		842
620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
621		844
622	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
623	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
624	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
625		848
…		…
635		858
636	=cut	859	=cut
637		860
638	sub datalog($@) {	861	sub datalog($@) {
639	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
641	}	864	}
642		865
643	=back	866	=back
644		867
645	=cut	868	=cut
646		869
647	#############################################################################	870	#############################################################################
648		871
649	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
650		873
651	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
652	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")
653	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
654		877
655	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>
656	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
657	Crossfire TRT).	880	Deliantra).
658		881
659	=over 4	882	=over 4
660		883
661	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
662		885
…		…
706	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
707		930
708	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
709	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
710		933
711	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
712	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.
713		936
714	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
715		938
716	=over 4	939	=over 4
…		…
840		1063
841	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
842	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
843		1066
844	} elsif (ref $type) {	1067	} elsif (ref $type) {
845	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
846		1069
847	} else {	1070	} else {
848	shift @arg;	1071	shift @arg;
849	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
850	}	1073	}
851	}	1074	}
852	}	1075	}
853		1076
854	sub _object_attach {	1077	sub _object_attach {
…		…
864	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
865	}	1088	}
866		1089
867	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
868	} else {	1091	} else {
869	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
870	}	1093	}
871		1094
872	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
873	}	1096	}
874		1097
…		…
933		1156
934	for (@$callbacks) {	1157	for (@$callbacks) {
935	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
936		1159
937	if ($@) {	1160	if ($@) {
938	warn "$@";
939	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
940	override;	1162	override;
941	}	1163	}
942		1164
943	return 1 if $override;	1165	return 1 if $override;
944	}	1166	}
945		1167
946	0	1168	0
947	}	1169	}
948		1170
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1172
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1174
953	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
954		1176
…		…
960		1182
961	=cut	1183	=cut
962		1184
963	#############################################################################	1185	#############################################################################
964	# object support	1186	# object support
965	#
966		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
967	sub _can_merge {	1221	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
969		1223
970	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1225
974	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
975	}	1228	}
976		1229
977	sub reattach {	1230	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1232	my ($obj) = @_;
980		1233
		1234	# no longer needed after getting rid of delete_package?
981	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
982		1236
983	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
984		1238
985	@$registry = ();	1239	@$registry = ();
986		1240
…		…
991	for (@$attach) {	1245	for (@$attach) {
992	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
993	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
994	}	1248	}
995	} else {	1249	} else {
996	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
997	}	1251	}
998	}	1252	}
999	}	1253	}
1000		1254
1001	cf::attachable->attach (	1255	cf::attachable->attach (
1002	prio => -1000000,	1256	prio => -1000000,
1003	on_instantiate => sub {	1257	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1005		1259
1006	$data = from_json $data;	1260	$data = decode_json $data;
1007		1261
1008	for (@$data) {	1262	for (@$data) {
1009	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1010		1264
1011	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1025	);	1279	);
1026		1280
1027	sub object_freezer_save {	1281	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1029		1283
1030	my $guard = cf::lock_acquire "io";
1031
1032	sync_job {	1284	sync_job {
1033	if (length $$rdata) {	1285	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1037		1290
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	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	}
1042	close $fh;	1298	aio_close $fh;
1043		1299
1044	if (@$objs) {	1300	if (@$objs) {
1045	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) {
1046	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1049	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	}
1050	close $fh;	1309	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1311	}
1053	} else {	1312	} else {
1054	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1055	}	1314	}
1056		1315
1057	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1320	} else {
1059	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1060	}	1322	}
1061	} else {	1323	} else {
1062	aio_unlink $filename;	1324	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1064	}	1326	}
1065	};	1327	};
1066
1067	undef $guard;
1068	}	1328	}
1069		1329
1070	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1072		1332
…		…
1077		1337
1078	sub object_thawer_load {	1338	sub object_thawer_load {
1079	my ($filename) = @_;	1339	my ($filename) = @_;
1080		1340
1081	my ($data, $av);	1341	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1342
1085	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
1086	or return;	1344	or return;
1087		1345
1088	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1348	or return;
1091		1349
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1094	}	1352	}
1095		1353
1096	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1099		1358
1100	($data, $av)	1359	($data, $av)
1101	}	1360	}
1102		1361
1103	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1159	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1160		1419
1161	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1162	}	1421	}
1163		1422
		1423	use File::Glob ();
		1424
1164	cf::player->attach (	1425	cf::player->attach (
1165	on_command => sub {	1426	on_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1167		1428
1168	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1169	or return;	1430	or return;
1170		1431
…		…
1193		1454
1194	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1195	if $reply;	1456	if $reply;
1196		1457
1197	} else {	1458	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1460	}
1200		1461
1201	cf::override;	1462	cf::override;
1202	},	1463	},
1203	);	1464	);
1204		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
1205	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1206	cf::sync_job {	1482	cf::sync_job {
1207	my %todo;	1483	my %todo;
1208		1484
1209	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1486	next unless -r $path;
…		…
1228		1504
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1507
1232	$ext{source} =	1508	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1235	. $source	1511	. $source
1236	. "\n};\n1";	1512	. "\n};\n1";
1237		1513
1238	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1239	}	1515	}
1240		1516
		1517	my $pass = 0;
1241	my %done;	1518	my %done;
1242	while (%todo) {	1519	while (%todo) {
1243	my $progress;	1520	my $progress;
1244		1521
		1522	++$pass;
		1523
		1524	ext:
1245	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1527	next ext
1248	unless exists $done{$_};	1528	unless exists $done{$_};
1249	}	1529	}
1250		1530
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1532
1253	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1258	warn $msg;	1540
1259	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1542	delete $todo{$k};
1261	}	1543	} else {
1262		1544	$done{$k} = delete $todo{$k};
1263	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1264	}	1550	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1551	}
1270		1552
1271	skip:	1553	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1274	}	1563	}
1275	};	1564	};
1276	}	1565	}
1277		1566
1278	#############################################################################	1567	#############################################################################
1279		1568
1280	=back	1569	=back
1281		1570
1282	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1283		1572
1284	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1285		1574
1286	=cut	1575	=cut
1287		1576
1288	package cf::player;	1577	package cf::player;
1289		1578
…		…
1332		1621
1333	sub exists($) {	1622	sub exists($) {
1334	my ($login) = @_;	1623	my ($login) = @_;
1335		1624
1336	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1338	}	1627	}
1339		1628
1340	sub find($) {	1629	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1631	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1642
1354	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1644	or return;
1356		1645
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1359	or return;	1647	or return;
		1648
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1363	}	1652	}
1364	}	1653	}
1365	}	1654	}
1366		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1367	sub save($) {	1669	sub save($) {
1368	my ($pl) = @_;	1670	my ($pl) = @_;
1369		1671
1370	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1371		1673
…		…
1374		1676
1375	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1376		1678
1377	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1378	$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];
1379		1686
1380	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1688	cf::cede_to_tick;
1382	}	1689	}
1383		1690
…		…
1415	my ($pl) = @_;	1722	my ($pl) = @_;
1416		1723
1417	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1418		1725
1419	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1420	$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
1421		1728
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1425	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1426		1737
1427	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1467		1778
1468	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1469	my $path = path $login;	1780	my $path = path $login;
1470		1781
1471	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1788	}
1477		1789
…		…
1481		1793
1482	\@logins	1794	\@logins
1483	}	1795	}
1484		1796
1485	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1486		1800
1487	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1488	player. May block.	1802	player. May block.
1489		1803
1490	=cut	1804	=cut
…		…
1508	}	1822	}
1509		1823
1510	\@paths	1824	\@paths
1511	}	1825	}
1512		1826
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1828
1515	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1830
1564	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1565		1832
1566	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1567		1834
…		…
1599		1866
1600	=cut	1867	=cut
1601		1868
1602	sub find_by_path($) {	1869	sub find_by_path($) {
1603	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1604		1873
1605	my ($match, $specificity);	1874	my ($match, $specificity);
1606		1875
1607	for my $region (list) {	1876	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1636		1905
1637	sub generate_random_map {	1906	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1640	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1912	}
1654		1913
1655	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1656		1915
1657	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
…		…
1662		1921
1663	sub register {	1922	sub register {
1664	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	1924	my $pkg = caller;
1666		1925
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		1927
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	1929	}
1672		1930
1673	# also paths starting with '/'	1931	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		1933
1676	sub thawer_merge {	1934	sub thawer_merge {
1677	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1678		1936
1679	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1684	}	1942	}
1685		1943
1686	sub normalise {	1944	sub normalise {
1687	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1688		1946
1689	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1690		1948
1691	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1692		1950
1693	# map plan:	1951	# map plan:
1694	#	1952	#
…		…
1709	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	1968	$path = "$base/$path";
1711	}	1969	}
1712		1970
1713	for ($path) {	1971	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1717	}	1974	}
1718		1975
1719	$path	1976	$path
…		…
1733	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1734	return $self;	1991	return $self;
1735	}	1992	}
1736	}	1993	}
1737		1994
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	1996	()
1740	}	1997	}
1741		1998
		1999	# may re-bless or do other evil things
1742	sub init {	2000	sub init {
1743	my ($self) = @_;	2001	my ($self) = @_;
1744		2002
1745	$self	2003	$self
1746	}	2004	}
…		…
1765		2023
1766	# the temporary/swap location	2024	# the temporary/swap location
1767	sub save_path {	2025	sub save_path {
1768	my ($self) = @_;	2026	my ($self) = @_;
1769		2027
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1772	}	2030	}
1773		2031
1774	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1775	sub uniq_path {	2033	sub uniq_path {
1776	my ($self) = @_;	2034	my ($self) = @_;
1777		2035
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2038	}
1790		2039
1791	sub decay_objects {	2040	sub decay_objects {
1792	my ($self) = @_;	2041	my ($self) = @_;
1793		2042
…		…
1875		2124
1876	sub find;	2125	sub find;
1877	sub find {	2126	sub find {
1878	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1879		2128
		2129	cf::cede_to_tick;
		2130
1880	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1881		2132
1882	cf::lock_wait "map_data:$path";#d#remove	2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2135
1885	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1890	or return;	2138	or return;
1891		2139
1892	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1893		2141
…		…
1895	or return;	2143	or return;
1896		2144
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
1900	undef $guard1;	2149	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2150	$map->reset;
1903	return find $path;	2151	return find $path;
1904	}	2152	}
1905		2153
1906	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1907	}	2155	}
1908	}	2156	}
1909		2157
1910	sub pre_load { }	2158	sub pre_load { }
1911	sub post_load { }	2159	#sub post_load { } # XS
1912		2160
1913	sub load {	2161	sub load {
1914	my ($self) = @_;	2162	my ($self) = @_;
1915		2163
1916	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1928	$self->alloc;	2176	$self->alloc;
1929		2177
1930	$self->pre_load;	2178	$self->pre_load;
1931	cf::cede_to_tick;	2179	cf::cede_to_tick;
1932		2180
		2181	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2182	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2183	$f->skip_block;
1935	$self->_load_objects ($f)	2184	$self->_load_objects ($f)
1936	or return;	2185	or return;
1937		2186
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1939	if delete $self->{load_original};	2188	if delete $self->{load_original};
1940		2189
1941	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2191	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2192	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2194	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2195	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2196	$f->resolve_delayed_derefs;
		2197	}
1948	}	2198	}
1949	}	2199	}
1950	}
1951		2200
1952	$f->resolve_delayed_derefs;	2201	$f->resolve_delayed_derefs;
		2202	}
1953		2203
1954	cf::cede_to_tick;	2204	cf::cede_to_tick;
1955	# now do the right thing for maps	2205	# now do the right thing for maps
1956	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2212	$self->decay_objects;
1963	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1964	$self->update_buttons;	2214	$self->update_buttons;
1965	cf::cede_to_tick;	2215	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2216	$self->activate;
1969	}	2217	}
1970		2218
1971	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2220	$self->last_access ($cf::RUNTIME);
1973		2221
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2223	}
1976		2224
1977	$self->post_load;	2225	$self->post_load;
1978	}
1979		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2233	sub customise_for {
1981	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1982		2235
1983	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2237	if $self->per_player;
…		…
2000	or next;	2253	or next;
2001	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
2002	or next;	2255	or next;
2003	$neigh->load;	2256	$neigh->load;
2004		2257
		2258	# now find the diagonal neighbours
2005	push @neigh,	2259	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}	2262	}
2009		2263
…		…
2016	}	2270	}
2017		2271
2018	sub find_sync {	2272	sub find_sync {
2019	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2020		2274
2021	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
2022	}	2279	}
2023		2280
2024	sub do_load_sync {	2281	sub do_load_sync {
2025	my ($map) = @_;	2282	my ($map) = @_;
2026		2283
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2285	if $Coro::current == $Coro::main;
2029		2286
2030	cf::sync_job { $map->load };	2287	$map->load;
2031	}	2288	}
2032		2289
2033	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
2035		2292
…		…
2037	my ($path, $origin, $load) = @_;	2294	my ($path, $origin, $load) = @_;
2038		2295
2039	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
2040		2297
2041	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2300	}
2044		2301
2045	$MAP_PREFETCH{$path} |= $load;	2302	$MAP_PREFETCH{$path} |= $load;
2046		2303
2047	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
2048	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2309	if (my $map = find $k) {
2051	$map->load if $v;	2310	$map->load if $v;
2052	}	2311	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
2060		2319
2061	()	2320	()
2062	}	2321	}
2063		2322
		2323	# common code, used by both ->save and ->swapout
2064	sub save {	2324	sub _save {
2065	my ($self) = @_;	2325	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2326
2069	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2070		2328
2071	return unless $self->dirty;	2329	return unless $self->dirty;
2072		2330
…		…
2078	return if $self->{deny_save};	2336	return if $self->{deny_save};
2079		2337
2080	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
2081		2339
2082	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
2084	};	2343	};
		2344
		2345	cf::get_slot 0.02;
2085		2346
2086	if ($uniq) {	2347	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2350	} else {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2091	}	2352	}
2092	}	2353	}
2093		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
2094	sub swap_out {	2363	sub swap_out {
2095	my ($self) = @_;	2364	my ($self) = @_;
2096		2365
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
2102	return if $self->players;	2370	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
2104	return if $self->{deny_save};
2105		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
2106	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
		2381	$self->clear;
		2382	}
		2383
		2384	sub reset_at {
		2385	my ($self) = @_;
		2386
		2387	# TODO: safety, remove and allow resettable per-player maps
		2388	return 1e99 if $self->{deny_reset};
		2389
		2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2392
		2393	$time + $to
		2394	}
		2395
		2396	sub should_reset {
		2397	my ($self) = @_;
		2398
		2399	$self->reset_at <= $cf::RUNTIME
		2400	}
		2401
		2402	sub reset {
		2403	my ($self) = @_;
		2404
		2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2406
		2407	return if $self->players;
		2408
		2409	cf::trace "resetting map ", $self->path, "\n";
		2410
		2411	$self->in_memory (cf::MAP_SWAPPED);
		2412
		2413	# need to save uniques path
		2414	unless ($self->{deny_save}) {
		2415	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2416
		2417	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2418	if $uniq;
		2419	}
		2420
		2421	delete $cf::MAP{$self->path};
2107		2422
2108	$self->deactivate;	2423	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2424	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2425	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2426
2156	$self->unlink_save;	2427	$self->unlink_save;
2157	$self->destroy;	2428	$self->destroy;
2158	}	2429	}
2159		2430
…		…
2167		2438
2168	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
2169		2440
2170	$self->unlink_save;	2441	$self->unlink_save;
2171		2442
2172	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2448
…		…
2226		2497
2227	sub unique_maps() {	2498	sub unique_maps() {
2228	[	2499	[
2229	map {	2500	map {
2230	utf8::decode $_;	2501	utf8::decode $_;
2231	/\.map$/	2502	s/\.map$//; # TODO future compatibility hack
		2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2504	? ()
2232	? normalise $_	2505	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2506	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2507	]
2236	}	2508	}
2237		2509
2238	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
2239		2541
2240	=back	2542	=back
2241		2543
2242	=head3 cf::object	2544	=head3 cf::object
2243		2545
…		…
2247		2549
2248	=over 4	2550	=over 4
2249		2551
2250	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
2251		2553
2252	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
2253		2556
2254	=cut	2557	=cut
2255		2558
2256	sub inv_recursive_;	2559	sub inv_recursive_;
2257	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
2263	}	2566	}
2264		2567
2265	=item $ref = $ob->ref	2568	=item $ref = $ob->ref
2266		2569
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2570	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2571
2269	=item $ob = cf::object::deref ($refstring)	2572	=item $ob = cf::object::deref ($refstring)
2270		2573
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2575	even if the object actually exists. May block.
…		…
2274	=cut	2577	=cut
2275		2578
2276	sub deref {	2579	sub deref {
2277	my ($ref) = @_;	2580	my ($ref) = @_;
2278		2581
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2583	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2585	or return;
2286	$pl->ob->uuid eq $uuid	2586	$pl->ob->uuid eq $uuid
2287	or return;	2587	or return;
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
2309		2609
2310	=cut	2610	=cut
2311		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
		2625
2312	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2627	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2630	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2641	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2643
2330	} else {	2644	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2647	}
2334	}	2648	}
2335	}	2649	}
2336		2650
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2676
2363	=item $player_object->enter_link	2677	=item $player_object->enter_link
2364		2678
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2680
2367	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
2369		2685
2370	Will never block.	2686	Will never block.
2371		2687
2372	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
2373		2689
…		…
2393	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2710	my ($self) = @_;
2395		2711
2396	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
2397		2713
		2714	++$self->{_link_recursion};
		2715
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2717
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2719	if $self->map && $self->map->{path} ne "{link}";
2402		2720
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2722	}
2405		2723
2406	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
2408		2726
…		…
2425	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
2427		2745
2428	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
2431		2749
2432	$map->load;	2750	$map->load;
2433	$map->load_neighbours;	2751	$map->load_neighbours;
2434		2752
2435	return unless $self->contr->active;	2753	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2754
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
2440	}	2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
		2760	$self->activate_recursive;
		2761	}
2441		2762
		2763	}
		2764
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2443		2766
2444	Moves the player to the given map-path and coordinates by first freezing	2767	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2768	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2769	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2770	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2771	be called at the end of this process.
2449		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
2450	=cut	2776	=cut
2451		2777
2452	our $GOTOGEN;	2778	our $GOTOGEN;
2453		2779
2454	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
2457	# do generation counting so two concurrent goto's will be executed in-order	2789	# do generation counting so two concurrent goto's will be executed in-order
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2791
2460	$self->enter_link;	2792	$self->enter_link;
2461		2793
2462	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
2463	my $map = eval {	2816	my $map = eval {
2464	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
2465		2818
2466	if ($map) {	2819	if ($map) {
2467	$map = $map->customise_for ($self);	2820	$map = $map->customise_for ($self);
2468	$map = $check->($map) if $check && $map;	2821	$map = $check->($map, $x, $y, $self) if $check && $map;
2469	} else {	2822	} else {
2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2471	}	2824	}
2472		2825
2473	$map	2826	$map
2474	};	2827	};
2475		2828
…		…
2481	if ($gen == $self->{_goto_generation}) {	2834	if ($gen == $self->{_goto_generation}) {
2482	delete $self->{_goto_generation};	2835	delete $self->{_goto_generation};
2483	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
2484	}	2837	}
2485		2838
2486	$done->() if $done;	2839	$done->($self) if $done;
2487	})->prio (1);	2840	})->prio (1);
2488	}	2841	}
2489		2842
2490	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
2491		2844
…		…
2511	}	2864	}
2512		2865
2513	sub prepare_random_map {	2866	sub prepare_random_map {
2514	my ($exit) = @_;	2867	my ($exit) = @_;
2515		2868
2516	my $guard = cf::lock_acquire "exit_prepare:$exit";
2517
2518	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
2519	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
2520	# that depends on the exit object	2871	# that depends on the exit object
2521		2872
2522	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
2524	if ($exit->map) {	2875	if ($exit->map) {
2525	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2526	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2527	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2528	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2529	}	2882	}
2530		2883
2531	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2532		2885
2533	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2534	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2535	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2536		2889
2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2538	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2539	undef $fh;	2892	undef $fh;
2540	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2541		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2542	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2543	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2544	}	2901	}
2545	}	2902	}
2546		2903
2547	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2548	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2549		2906
2550	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2551		2908
2552	if ($exit->slaying eq "/!") {
2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
2554	# the problem is that $exit might not survive long enough
2555	# so it needs to be done right now, right here
2556	cf::sync_job { prepare_random_map $exit };
2557	}
2558
2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2560	my $hp = $exit->stats->hp;
2561	my $sp = $exit->stats->sp;
2562
2563	$self->enter_link;	2909	$self->enter_link;
2564		2910
2565	# if exit is damned, update players death & WoR home-position
2566	$self->contr->savebed ($slaying, $hp, $sp)
2567	if $exit->flag (FLAG_DAMNED);
2568
2569	(async {	2911	(async {
2570	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2571	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2572	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2573		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2574	1;	2935	1
2575	}) {	2936	}) {
2576	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2577	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2578	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2579	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2580		2941
2581	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2582	$self->leave_link;	2943	$self->leave_link;
2583	}	2944	}
2584	})->prio (1);	2945	})->prio (1);
2585	}	2946	}
2586		2947
…		…
2598	sub cf::client::send_drawinfo {	2959	sub cf::client::send_drawinfo {
2599	my ($self, $text, $flags) = @_;	2960	my ($self, $text, $flags) = @_;
2600		2961
2601	utf8::encode $text;	2962	utf8::encode $text;
2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2964	}
		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
2603	}	2989	}
2604		2990
2605	=item $client->send_msg ($channel, $msg, $color, [extra...])	2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
2606		2992
2607	Send a drawinfo or msg packet to the client, formatting the msg for the	2993	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2609	the message, with C<log> being the default. If C<$color> is negative, suppress	2995	the message, with C<log> being the default. If C<$color> is negative, suppress
2610	the message unless the client supports the msg packet.	2996	the message unless the client supports the msg packet.
2611		2997
2612	=cut	2998	=cut
2613		2999
		3000	# non-persistent channels (usually the info channel)
2614	our %CHANNEL = (	3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
2615	"c/identify" => {	3008	"c/identify" => {
2616	id => "identify",	3009	id => "infobox",
2617	title => "Identify",	3010	title => "Identify",
2618	reply => undef,	3011	reply => undef,
2619	tooltip => "Items recently identified",	3012	tooltip => "Items recently identified",
2620	},	3013	},
2621	"c/examine" => {	3014	"c/examine" => {
2622	id => "examine",	3015	id => "infobox",
2623	title => "Examine",	3016	title => "Examine",
2624	reply => undef,	3017	reply => undef,
2625	tooltip => "Signs and other items you examined",	3018	tooltip => "Signs and other items you examined",
2626	},	3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
2627	);	3112	);
2628		3113
2629	sub cf::client::send_msg {	3114	sub cf::client::send_msg {
2630	my ($self, $channel, $msg, $color, @extra) = @_;	3115	my ($self, $channel, $msg, $color, @extra) = @_;
2631		3116
2632	$msg = $self->pl->expand_cfpod ($msg);	3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
2633		3119
2634	$color &= cf::NDI_CLIENT_MASK; # just in case...	3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
2635		3121
2636	# check predefined channels, for the benefit of C	3122	# check predefined channels, for the benefit of C
2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
2638		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
2639	if (ref $channel) {	3129	} elsif (ref $channel) {
2640	# send meta info to client, if not yet sent	3130	# send meta info to client, if not yet sent
2641	unless (exists $self->{channel}{$channel->{id}}) {	3131	unless (exists $self->{channel}{$channel->{id}}) {
2642	$self->{channel}{$channel->{id}} = $channel;	3132	$self->{channel}{$channel->{id}} = $channel;
2643	$self->ext_msg (channel_info => $channel)	3133	$self->ext_msg (channel_info => $channel);
2644	if $self->can_msg;
2645	}	3134	}
2646		3135
2647	$channel = $channel->{id};	3136	$channel = $channel->{id};
2648	}	3137	}
2649		3138
2650	return unless @extra || length $msg;	3139	return unless @extra || length $msg;
2651		3140
2652	if ($self->can_msg) {
2653	# default colour, mask it out	3141	# default colour, mask it out
2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2655	if $color & cf::NDI_DEF;	3143	if $color & cf::NDI_DEF;
2656		3144
2657	$self->send_packet ("msg " . $self->{json_coder}->encode (	3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2659	} else {	3148	);
2660	if ($color >= 0) {
2661	# replace some tags by gcfclient-compatible ones
2662	for ($msg) {
2663	1 while
2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2669	}
2670		3149
2671	$color &= cf::NDI_COLOR_MASK;	3150	$self->send_big_packet ($pkt);
2672
2673	utf8::encode $msg;
2674
2675	if (0 && $msg =~ /\[/) {
2676	# COMMAND/INFO
2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
2678	} else {
2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2680	$self->send_packet ("drawinfo $color $msg")
2681	}
2682	}
2683	}
2684	}	3151	}
2685		3152
2686	=item $client->ext_msg ($type, @msg)	3153	=item $client->ext_msg ($type, @msg)
2687		3154
2688	Sends an ext event to the client.	3155	Sends an ext event to the client.
…		…
2691		3158
2692	sub cf::client::ext_msg($$@) {	3159	sub cf::client::ext_msg($$@) {
2693	my ($self, $type, @msg) = @_;	3160	my ($self, $type, @msg) = @_;
2694		3161
2695	if ($self->extcmd == 2) {	3162	if ($self->extcmd == 2) {
2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2697	} elsif ($self->extcmd == 1) { # TODO: remove	3164	} elsif ($self->extcmd == 1) { # TODO: remove
2698	push @msg, msgtype => "event_$type";	3165	push @msg, msgtype => "event_$type";
2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2700	}	3167	}
2701	}	3168	}
2702		3169
2703	=item $client->ext_reply ($msgid, @msg)	3170	=item $client->ext_reply ($msgid, @msg)
2704		3171
…		…
2708		3175
2709	sub cf::client::ext_reply($$@) {	3176	sub cf::client::ext_reply($$@) {
2710	my ($self, $id, @msg) = @_;	3177	my ($self, $id, @msg) = @_;
2711		3178
2712	if ($self->extcmd == 2) {	3179	if ($self->extcmd == 2) {
2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2714	} elsif ($self->extcmd == 1) {	3181	} elsif ($self->extcmd == 1) {
2715	#TODO: version 1, remove	3182	#TODO: version 1, remove
2716	unshift @msg, msgtype => "reply", msgid => $id;	3183	unshift @msg, msgtype => "reply", msgid => $id;
2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2718	}	3185	}
2719	}	3186	}
2720		3187
2721	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2722		3189
…		…
2793		3260
2794	$ns->ext_reply ($reply, @reply)	3261	$ns->ext_reply ($reply, @reply)
2795	if $reply;	3262	if $reply;
2796		3263
2797	} else {	3264	} else {
2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2799	}	3266	}
2800		3267
2801	cf::override;	3268	cf::override;
2802	},	3269	},
2803	);	3270	);
…		…
2823		3290
2824	$coro	3291	$coro
2825	}	3292	}
2826		3293
2827	cf::client->attach (	3294	cf::client->attach (
2828	on_destroy => sub {	3295	on_client_destroy => sub {
2829	my ($ns) = @_;	3296	my ($ns) = @_;
2830		3297
2831	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2832	},	3299	},
2833	);	3300	);
…		…
2849	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2850		3317
2851	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2852		3319
2853	$safe->permit_only (Opcode::opset qw(	3320	$safe->permit_only (Opcode::opset qw(
2854	:base_core :base_mem :base_orig :base_math	3321	:base_core :base_mem :base_orig :base_math :base_loop
2855	grepstart grepwhile mapstart mapwhile	3322	grepstart grepwhile mapstart mapwhile
2856	sort time	3323	sort time
2857	));	3324	));
2858		3325
2859	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
…		…
2861	=pod	3328	=pod
2862		3329
2863	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2864		3331
2865	cf::object	3332	cf::object
2866	contr pay_amount pay_player map x y force_find force_add	3333	contr pay_amount pay_player map x y force_find force_add destroy
2867	insert remove name archname title slaying race decrease_ob_nr	3334	insert remove name archname title slaying race decrease split
		3335	value
2868		3336
2869	cf::object::player	3337	cf::object::player
2870	player	3338	player
2871		3339
2872	cf::player	3340	cf::player
…		…
2877		3345
2878	=cut	3346	=cut
2879		3347
2880	for (	3348	for (
2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2882	insert remove inv name archname title slaying race	3350	insert remove inv nrof name archname title slaying race
2883	decrease_ob_nr)],	3351	decrease split destroy change_exp value msg lore send_msg)],
2884	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2885	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2886	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2887	) {	3355	) {
2888	no strict 'refs';
2889	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2890	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2891	for @funs;	3358	for @funs;
2892	}	3359	}
2893		3360
…		…
2908		3375
2909	my $qcode = $code;	3376	my $qcode = $code;
2910	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2911	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2912		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2913	local $_;	3383	local $_;
2914	local @safe::cf::_safe_eval_args = values %vars;
2915		3384
2916	my $eval =	3385	my $eval =
2917	"do {\n"	3386	"do {\n"
2918	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2919	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2920	. $code	3389	. $code
2921	. "\n}"	3390	. "\n}"
2922	;	3391	;
2923		3392
		3393	if ($CFG{safe_eval}) {
2924	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2925	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2926	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2927		3402
2928	if ($@) {	3403	if ($@) {
2929	warn "$@";	3404	warn "$@",
2930	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2931	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2932	}	3407	}
2933		3408
2934	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2935	}	3410	}
2936		3411
…		…
2950	=cut	3425	=cut
2951		3426
2952	sub register_script_function {	3427	sub register_script_function {
2953	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2954		3429
2955	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2956	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2957	}	3432	}
2958		3433
2959	=back	3434	=back
2960		3435
2961	=cut	3436	=cut
…		…
2970	# for this (global event?)	3445	# for this (global event?)
2971	%ext::player_env::MUSIC_FACE_CACHE = ();	3446	%ext::player_env::MUSIC_FACE_CACHE = ();
2972		3447
2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2974		3449
2975	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2976		3451
2977	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2978	0 < aio_load $path, $facedata
2979	or die "$path: $!";
2980
2981	$facedata = Coro::Storable::thaw $facedata;
2982		3453
2983	$facedata->{version} == 2	3454	$facedata->{version} == 2
2984	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2985		3456
2986	# patch in the exptable	3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2987	$facedata->{resource}{"res/exp_table"} = {	3459	$facedata->{resource}{"res/exp_table"} = {
2988	type => FT_RSRC,	3460	type => FT_RSRC,
2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
2990	};	3463	};
2991	cf::cede_to_tick;	3464	cf::cede_to_tick;
2992		3465
2993	{	3466	{
2994	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2995		3468
2996	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2998	cf::face::set_visibility $idx, $info->{visibility};	3472	cf::face::set_visibility $idx, $info->{visibility};
2999	cf::face::set_magicmap $idx, $info->{magicmap};	3473	cf::face::set_magicmap $idx, $info->{magicmap};
3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3002		3477
3003	cf::cede_to_tick;	3478	cf::cede_to_tick;
3004	}	3479	}
3005		3480
3006	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
3007	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
3008	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
3009	or next;	3485	or next;
		3486
3010	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
3011	cf::face::set_smooth $idx, $smooth;	3488	cf::face::set_smooth $idx, $smooth;
3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3013	} else {	3490	} else {
3014	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
3015	}	3492	}
3016		3493
3017	cf::cede_to_tick;	3494	cf::cede_to_tick;
3018	}	3495	}
3019	}	3496	}
…		…
3028		3505
3029	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
3030	}	3507	}
3031		3508
3032	{	3509	{
3033	# TODO: for gcfclient pleasure, we should give resources
3034	# that gcfclient doesn't grok a >10000 face index.
3035	my $res = $facedata->{resource};	3510	my $res = $facedata->{resource};
3036		3511
3037	my $soundconf = delete $res->{"res/sound.conf"};
3038
3039	while (my ($name, $info) = each %$res) {	3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3041	my $data;
3042		3515
3043	if ($info->{type} & 1) {	3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3044	# prepend meta info	3517	cf::face::set_type $idx, $info->{type};
3045
3046	my $meta = $enc->encode ({
3047	name => $name,
3048	%{ $info->{meta} || {} },
3049	});
3050
3051	$data = pack "(w/a*)*", $meta, $info->{data};
3052	} else {	3518	} else {
3053	$data = $info->{data};	3519	$RESOURCE{$name} = $info; # unused
3054	}	3520	}
3055		3521
3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3057	cf::face::set_type $idx, $info->{type};
3058
3059	cf::cede_to_tick;	3522	cf::cede_to_tick;
3060	}	3523	}
3061
3062	if ($soundconf) {
3063	$soundconf = $enc->decode (delete $soundconf->{data});
3064
3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3066	my $sound = $soundconf->{compat}[$_]
3067	or next;
3068
3069	my $face = cf::face::find "sound/$sound->[1]";
3070	cf::sound::set $sound->[0] => $face;
3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3072	}
3073
3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
3075	my $face = cf::face::find "sound/$v";
3076	cf::sound::set $k => $face;
3077	}
3078	}
3079	}	3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3080		3527
3081	1	3528	1
3082	}	3529	}
3083		3530
3084	register_exticmd fx_want => sub {	3531	register_exticmd fx_want => sub {
…		…
3086		3533
3087	while (my ($k, $v) = each %$want) {	3534	while (my ($k, $v) = each %$want) {
3088	$ns->fx_want ($k, $v);	3535	$ns->fx_want ($k, $v);
3089	}	3536	}
3090	};	3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
3091		3548
3092	sub reload_regions {	3549	sub reload_regions {
3093	# HACK to clear player env face cache, we need some signal framework	3550	# HACK to clear player env face cache, we need some signal framework
3094	# for this (global event?)	3551	# for this (global event?)
3095	%ext::player_env::MUSIC_FACE_CACHE = ();	3552	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3109	}	3566	}
3110		3567
3111	sub reload_archetypes {	3568	sub reload_archetypes {
3112	load_resource_file "$DATADIR/archetypes"	3569	load_resource_file "$DATADIR/archetypes"
3113	or die "unable to load archetypes\n";	3570	or die "unable to load archetypes\n";
3114	#d# NEED to laod twice to resolve forward references
3115	# this really needs to be done in an extra post-pass
3116	# (which needs to be synchronous, so solve it differently)
3117	load_resource_file "$DATADIR/archetypes"
3118	or die "unable to load archetypes\n";
3119	}	3571	}
3120		3572
3121	sub reload_treasures {	3573	sub reload_treasures {
3122	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
3123	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
3124	}	3576	}
3125		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
3126	sub reload_resources {	3598	sub reload_resources {
3127	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
3128		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
3129	reload_regions;	3606	reload_regions;
3130	reload_facedata;
3131	#reload_archetypes;#d#
3132	reload_archetypes;
3133	reload_treasures;	3607	reload_treasures;
3134		3608
3135	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
3136	}
3137
3138	sub init {
3139	reload_resources;
3140	}	3610	}
3141		3611
3142	sub reload_config {	3612	sub reload_config {
3143	open my $fh, "<:utf8", "$CONFDIR/config"	3613	trace "reloading config file...\n";
3144	or return;
3145		3614
3146	local $/;	3615	my $config = load_file "$CONFDIR/config";
3147	*CFG = YAML::Syck::Load <$fh>;	3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
3148		3618
3149	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3150		3620
3151	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3152	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3153		3623
3154	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
3158	};	3628	};
3159	warn $@ if $@;	3629	warn $@ if $@;
3160	}	3630	}
3161	}	3631	}
3162		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
3163	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
3164	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
3165	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
3166	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3167	(async {	3674	(async {
3168	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
3169	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
3170	};	3678	};
3171		3679
		3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
3172	reload_config;	3692	reload_config;
3173	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
3174	load_extensions;	3703	load_extensions;
3175		3704
3176	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
3177	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
3178	}	3723	}
3179		3724
3180	#############################################################################	3725	#############################################################################
3181	# initialisation and cleanup	3726	# initialisation and cleanup
3182		3727
3183	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
3184	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
3185	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
3186	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3187	reentrant => 0,
3188	data => WF_AUTOCANCEL,
3189	signal => $signal,
3190	prio => 0,
3191	cb => sub {
3192	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
3193	},
3194	);	3734	};
3195	}	3735	}
3196	}	3736	}
3197		3737
3198	sub write_runtime {	3738	sub write_runtime_sync {
3199	my $runtime = "$LOCALDIR/runtime";	3739	my $t0 = AE::time;
3200		3740
3201	# first touch the runtime file to show we are still running:	3741	# first touch the runtime file to show we are still running:
3202	# the fsync below can take a very very long time.	3742	# the fsync below can take a very very long time.
3203		3743
3204	IO::AIO::aio_utime $runtime, undef, undef;	3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3205		3745
3206	my $guard = cf::lock_acquire "write_runtime";	3746	my $guard = cf::lock_acquire "write_runtime";
3207		3747
3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3209	or return;	3749	or return;
3210		3750
3211	my $value = $cf::RUNTIME + 90 + 10;	3751	my $value = $cf::RUNTIME + 90 + 10;
3212	# 10 is the runtime save interval, for a monotonic clock	3752	# 10 is the runtime save interval, for a monotonic clock
3213	# 60 allows for the watchdog to kill the server.	3753	# 60 allows for the watchdog to kill the server.
…		…
3223	aio_utime $fh, undef, undef;	3763	aio_utime $fh, undef, undef;
3224		3764
3225	close $fh	3765	close $fh
3226	or return;	3766	or return;
3227		3767
3228	aio_rename "$runtime~", $runtime	3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3229	and return;	3769	and return;
3230		3770
3231	warn "runtime file written.\n";	3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3232		3772
3233	1	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
3234	}	3824	}
3235		3825
3236	sub emergency_save() {	3826	sub emergency_save() {
3237	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
3238		3828
3239	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
3240		3835
3241	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
3242	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
3243	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
3244	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
3245	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
3246	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
3247	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
3248	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3249	$pl->save;	3847	$pl->save;
3250	}	3848	}
3251	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
3252		3850
3253	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
3254	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
3255	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
3256	$map->valid or next;	3856	$map->valid or next;
3257	$map->save;	3857	$map->save;
3258	}	3858	}
3259	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
3260		3860
3261	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
3262	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
3263	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
3264	};	3889	};
3265		3890
3266	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
3267	}	3892	}
3268		3893
3269	sub post_cleanup {	3894	sub post_cleanup {
3270	my ($make_core) = @_;	3895	my ($make_core) = @_;
3271		3896
		3897	IO::AIO::flush;
		3898
3272	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
3273	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
3274	}	3929	}
3275		3930
3276	sub do_reload_perl() {	3931	sub do_reload_perl() {
3277	# can/must only be called in main	3932	# can/must only be called in main
3278	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
3279	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
3280	return;	3935	return;
3281	}	3936	}
3282		3937
3283	warn "reloading...";	3938	return if $RELOAD++;
3284		3939
3285	warn "entering sync_job";	3940	my $t1 = AE::time;
3286		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
3287	cf::sync_job {	3948	cf::sync_job {
3288	cf::write_runtime; # external watchdog should not bark
3289	cf::emergency_save;	3949	#cf::emergency_save;
3290	cf::write_runtime; # external watchdog should not bark
3291		3950
3292	warn "syncing database to disk";
3293	BDB::db_env_txn_checkpoint $DB_ENV;
3294
3295	# if anything goes wrong in here, we should simply crash as we already saved
3296
3297	warn "cancelling all WF_AUTOCANCEL watchers";
3298	for (Event::all_watchers) {
3299	$_->cancel if $_->data & WF_AUTOCANCEL;
3300	}
3301
3302	warn "flushing outstanding aio requests";
3303	for (;;) {
3304	BDB::flush;
3305	IO::AIO::flush;
3306	Coro::cede;
3307	last unless IO::AIO::nreqs || BDB::nreqs;
3308	warn "iterate...";
3309	}
3310
3311	++$RELOAD;
3312
3313	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
3314	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
3315	%EXT_CORO = ();	3953	%EXT_CORO = ();
3316		3954
3317	warn "removing commands";	3955	trace "perl_reload: removing commands";
3318	%COMMAND = ();	3956	%COMMAND = ();
3319		3957
3320	warn "removing ext/exti commands";	3958	trace "perl_reload: removing ext/exti commands";
3321	%EXTCMD = ();	3959	%EXTCMD = ();
3322	%EXTICMD = ();	3960	%EXTICMD = ();
3323		3961
3324	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
3325	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
3326	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
3327		3965
3328	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
3329	eval {	3967	eval {
3330	$cb->($pkg);	3968	$cb->($pkg);
3331	1	3969	1
3332	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
3333	}	3975	}
3334		3976
3335	warn "... nuking $pkg";
3336	Symbol::delete_package $pkg;
3337	}
3338
3339	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3340	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
3341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3342		3980
3343	warn "... unloading $k";	3981	trace "... unloading $k";
3344	delete $INC{$k};	3982	delete $INC{$k};
3345		3983
3346	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
3347	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
3348		3986
3349	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
3350	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
3351	}	3992	}
3352		3993
3353	Symbol::delete_package $k;
3354	}
3355
3356	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
3357	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
3358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3359		3997
3360	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
3361	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
3362	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3363		4001
3364	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
3365	# and global variables created in xs	4003	# and global variables created in xs
3366	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
3367		4005
3368	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
3369		4007
3370	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
3371	require cf;	4009	require cf;
3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
3373		4011
3374	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
3375	cf::reload_config;	4013	cf::reload_config;
3376		4014
3377	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
3378	cf::load_extensions;	4016	cf::load_extensions;
3379		4017
		4018	if ($REATTACH_ON_RELOAD) {
3380	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
3381	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
3382	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
3383	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
3384	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
3385	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
3386		4026
3387	warn "leaving sync_job";	4027	cf::_post_init 1;
3388		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
3389	1	4031	1
3390	} or do {	4032	} or do {
3391	warn $@;	4033	error $@;
3392	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
3393	exit 1;	4035	};
		4036
		4037	--$RELOAD;
3394	};	4038	}
3395		4039
3396	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
3397	};	4042	};
3398		4043
3399	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
3400		4045
3401	sub reload_perl() {	4046	sub reload_perl() {
3402	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
3403	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
3404		4049
3405	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
3406	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
3407	after => 0,	4052
3408	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3409	cb => sub {
3410	do_reload_perl;	4054	do_reload_perl;
3411	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
3412	},	4056	};
3413	);	4057	};
3414	}	4058	}
3415		4059
3416	register_command "reload" => sub {	4060	register_command "reload" => sub {
3417	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
3418		4062
3419	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
3420	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
3421	async { reload_perl };	4067	reload_perl;
		4068	};
3422	}	4069	}
3423	};	4070	};
3424		4071
3425	unshift @INC, $LIBDIR;	4072	#############################################################################
3426		4073
3427	my $bug_warning = 0;	4074	my $bug_warning = 0;
3428		4075
3429	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
3430	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
3431		4078
3432	sub wait_for_tick {	4079	sub wait_for_tick() {
3433	return unless $TICK_WATCHER->is_active;
3434	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3435		4081
3436	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
3437	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
3438	$signal->wait;	4084	$signal->wait;
3439	}	4085	}
3440		4086
3441	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3442	return unless $TICK_WATCHER->is_active;
3443	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3444		4089
3445	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3446	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3447	$signal->wait;	4092	$signal->wait;
3448	}	4093	}
3449		4094
3450	our $stat_fh;	4095	sub tick {
3451	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3452
3453	$TICK_WATCHER = Event->timer (
3454	reentrant => 0,
3455	parked => 1,
3456	prio => 0,
3457	at => $NEXT_TICK || $TICK,
3458	data => WF_AUTOCANCEL,
3459	cb => sub {
3460	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3461	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3462	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3463	return;	4099	return;
3464	}	4100	}
3465		4101
3466	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3467
3468	$NOW = $tick_start = Event::time;
3469
3470	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
3471		4103
3472	$RUNTIME += $TICK;	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3473	$NEXT_TICK += $TICK;
3474		4105
3475	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3476	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3477	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
3478	write_runtime	4110	write_runtime_sync
3479	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
3480	};
3481	}	4112	};
		4113	}
3482		4114
3483	# my $AFTER = Event::time;
3484	# warn $AFTER - $NOW;#d#
3485
3486	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3487	$sig->send;	4116	$sig->send;
3488	}	4117	}
3489	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
3490	$sig->send;	4119	$sig->send;
3491	}	4120	}
3492		4121
3493	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3494
3495	# if we are delayed by four ticks or more, skip them all
3496	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3497
3498	$TICK_WATCHER->at ($NEXT_TICK);
3499	$TICK_WATCHER->start;
3500
3501	$LOAD = ($NOW - $tick_start) / $TICK;
3502	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3503		4124
3504	_post_tick;	4125	if (0) {
3505		4126	if ($NEXT_TICK) {
3506	# gather some statistics#d#	4127	my $jitter = $TICK_START - $NEXT_TICK;
3507	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3508	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	4129	debug "jitter $JITTER\n";#d#
		4130	}
3509	},	4131	}
3510	);	4132	}
3511		4133
3512	{	4134	{
		4135	# configure BDB
		4136
3513	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3514	BDB::max_poll_time $TICK * 0.1;	4138	BDB::max_poll_reqs $TICK * 0.1;
3515	$BDB_POLL_WATCHER = Event->io (	4139	$AnyEvent::BDB::WATCHER->priority (1);
3516	reentrant => 0,
3517	fd => BDB::poll_fileno,
3518	poll => 'r',
3519	prio => 0,
3520	data => WF_AUTOCANCEL,
3521	cb => \&BDB::poll_cb,
3522	);
3523
3524	BDB::set_sync_prepare {
3525	my $status;
3526	my $current = $Coro::current;
3527	(
3528	sub {
3529	$status = $!;
3530	$current->ready; undef $current;
3531	},
3532	sub {
3533	Coro::schedule while defined $current;
3534	$! = $status;
3535	},
3536	)
3537	};
3538		4140
3539	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3540	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3541		4148
3542	cf::sync_job {	4149	cf::sync_job {
3543	eval {	4150	eval {
3544	BDB::db_env_open	4151	BDB::db_env_open
3545	$DB_ENV,	4152	$DB_ENV,
…		…
3547	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3548	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3549	0666;	4156	0666;
3550		4157
3551	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3552
3553	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3554	| BDB::LOG_AUTOREMOVE, 1);
3555	$DB_ENV->set_lk_detect;
3556	};	4159	};
3557		4160
3558	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3559	};	4162	};
3560	}	4163	}
3561		4164
3562	$BDB_CHECKPOINT_WATCHER = Event->timer (	4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3563	after => 11,	4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3564	interval => 60,	4167	};
3565	hard => 1,	4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3566	prio => 0,
3567	data => WF_AUTOCANCEL,
3568	cb => sub {
3569	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3570	},
3571	);	4170	};
3572	$BDB_TRICKLE_WATCHER = Event->timer (	4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3573	after => 5,
3574	interval => 10,
3575	hard => 1,
3576	prio => 0,
3577	data => WF_AUTOCANCEL,
3578	cb => sub {
3579	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3580	},
3581	);	4173	};
3582	}	4174	}
3583		4175
3584	{	4176	{
		4177	# configure IO::AIO
		4178
3585	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3586
3587	undef $Coro::AIO::WATCHER;
3588	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3589	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3590	reentrant => 0,
3591	data => WF_AUTOCANCEL,
3592	fd => IO::AIO::poll_fileno,
3593	poll => 'r',
3594	prio => 6,
3595	cb => \&IO::AIO::poll_cb,
3596	);
3597	}	4182	}
3598		4183
3599	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3600		4186
3601	sub _log_backtrace {	4187	sub _log_backtrace {
3602	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3603		4189
3604	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3605		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3606	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3607	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3608	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3609	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3610	my @bt = fork_call {	4203	my @bt = fork_call {
3611	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3612	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3613	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3614	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3622	}	4215	}
3623		4216
3624	@funcs	4217	@funcs
3625	};	4218	};
3626		4219
3627	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3628	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3629	--$_log_backtrace;	4223	--$_log_backtrace;
3630	};	4224	};
3631	} else {	4225	} else {
3632	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3633	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3634	}	4228	}
3635	}	4229	}
3636		4230
3637	# load additional modules	4231	# load additional modules
3638	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3639		4234
3640	END { cf::emergency_save }	4235	END { cf::emergency_save }
3641		4236
3642	1	4237	1
3643		4238

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