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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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 Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	121	our $NEXT_TICK;
46	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
47		130
48	our %CFG;	131	our %CFG;
49		132
50	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
52		136
53	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		140
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
61		153
62	binmode STDOUT;	154	binmode STDOUT;
63	binmode STDERR;	155	binmode STDERR;
64		156
65	# read virtual server time, if available	157	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
70	}	162	}
71		163
72	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		165
78	# a special map that is always available	166	mkdir $_
79	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
80	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		187
82	#############################################################################	188	#############################################################################
83		189
84	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
85		191
…		…
92	=item $cf::RUNTIME	198	=item $cf::RUNTIME
93		199
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	201	every server tick.
96		202
97	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		206
99	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
101		211
102	=item $cf::NOW	212	=item $cf::NOW
103		213
104	The time of the last (current) server tick.	214	The time of the last (current) server tick.
105		215
106	=item $cf::TICK	216	=item $cf::TICK
107		217
108	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
109		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
110	=item %cf::CFG	230	=item %cf::CFG
111		231
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	233	from wherever your confdir points to.
114		234
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		236
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
121		252
122	=back	253	=back
123		254
124	=cut	255	=cut
125		256
126	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
127	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
128	my $msg = join "", @_;	264	my $msg = join "", @_;
129	utf8::encode $msg;
130		265
131	$msg .= "\n"	266	$msg .= "\n"
132	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
133		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
134	LOG llevError, $msg;	271	LOG llevWarn, $msg;
135	};	272	};
136	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
137		287
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		295
145	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	297	# within the Safe compartment.
147	for my $pkg (qw(	298	for my $pkg (qw(
148	cf::global cf::attachable	299	cf::global cf::attachable
149	cf::object cf::object::player	300	cf::object cf::object::player
150	cf::client cf::player	301	cf::client cf::player
151	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
152	cf::map cf::party cf::region	304	cf::party cf::region
153	)) {	305	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	307	}
157		308
158	$Event::DIED = sub {	309	$EV::DIED = sub {
159	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
160	};	311	};
161		312
162	my %ext_pkg;	313	#############################################################################
163	my @exts;
164	my @hook;
165		314
166	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
167		316
168	=over 4	317	=over 4
169		318
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	338	$d
190	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
191	}	340	}
192		341
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
196		343
197	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
198		345
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
207		347
208	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
209		349
210	=cut	350	=cut
211		351
212	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
214	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
215	}	369	}
216		370
217	=item cf::lock_wait $string	371	=item cf::lock_wait $string
218		372
219	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
220		374
221	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
222		376
223	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
226	returned.	380	returned.
227		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
228	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
230		387
231	=cut	388	=item $locked = cf::lock_active $string
232		389
233	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
234		395
235	sub lock_wait($) {	396	sub lock_wait($) {
236	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	398	}
244		399
245	sub lock_acquire($) {	400	sub lock_acquire($) {
246	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
247		403
248	# wait, to be sure we are not locked	404	sub lock_active($) {
249	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	406	}
258		407
259	sub freeze_mainloop {	408	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
261		410
262	my $guard = Coro::guard { $TICK_WATCHER->start };	411	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	412	}
264	$guard	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
		478	}
		479	};
		480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
265	}	494	}
266		495
267	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
268		497
269	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		503
275	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
276		505
277	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
278		507
279	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
282		512
283	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
286	fast or be very important.	516	fast or be very important.
…		…
288	=cut	518	=cut
289		519
290	sub sync_job(&) {	520	sub sync_job(&) {
291	my ($job) = @_;	521	my ($job) = @_;
292		522
293	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
294	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
296		528
297	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	530
299	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
300		532
301	my $busy = 1;	533	my $busy = 1;
302	my @res;	534	my @res;
303		535
304	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	538	@res = eval { $job->() };
306	warn $@ if $@;	539	error $@ if $@;
307	undef $busy;	540	undef $busy;
308	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
309		542
310	while ($busy) {	543	while ($busy) {
311	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
312	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
313		554
314	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
315	} else {	556	} else {
316	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
317		558
…		…
319	}	560	}
320	}	561	}
321		562
322	=item $coro = cf::async_ext { BLOCK }	563	=item $coro = cf::async_ext { BLOCK }
323		564
324	Like async, but this coro is automcatially being canceled when the	565	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	566	extension calling this is being unloaded.
326		567
327	=cut	568	=cut
328		569
329	sub async_ext(&) {	570	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
338		579
339	$coro	580	$coro
340	}	581	}
341		582
342	sub write_runtime {	583	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		584
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
346	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
347		589
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	590	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		591
352	aio_fsync $fh	592	sub fork_call(&@) {
353	and return;	593	my ($cb, @args) = @_;
354		594
355	close $fh	595	# we seemingly have to make a local copy of the whole thing,
356	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
357		598
358	aio_rename "$runtime~", $runtime	599	my @res = Coro::Util::fork_eval {
359	and return;	600	reset_signals;
		601	&$cb
		602	}, @args;
360		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
361	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	783	}
363		784
364	=back	785	=back
365		786
366	=cut	787	=cut
367		788
368	#############################################################################	789	#############################################################################
369		790
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494
495	#############################################################################
496
497	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
498		792
499	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
500	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
502		796
503	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	799	Deliantra).
506		800
507	=over 4	801	=over 4
508		802
509	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
510		804
…		…
554	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
555		849
556	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
557	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
558		852
559	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
560	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
561		855
562	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
563		857
564	=over 4	858	=over 4
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	919	our @CB_MAP = ();
626		920
627	my %attachment;	921	my %attachment;
628		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
629	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
631		931
632	use sort 'stable';	932	use sort 'stable';
633		933
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
668		968
669	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		973
674	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	975	my $pkg = shift @arg;
676		976
677	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
682		982
683	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
684	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
685		985
686	} elsif (ref $type) {	986	} elsif (ref $type) {
687	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
688		988
689	} else {	989	} else {
690	shift @arg;	990	shift @arg;
691	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
692	}	992	}
693	}	993	}
694	}	994	}
695		995
696	sub _object_attach {	996	sub _object_attach {
…		…
706	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
707	}	1007	}
708		1008
709	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
710	} else {	1010	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
712	}	1012	}
713		1013
714	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
715	}	1015	}
716		1016
…		…
718	if (ref $_[0]) {	1018	if (ref $_[0]) {
719	_object_attach @_;	1019	_object_attach @_;
720	} else {	1020	} else {
721	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
722	}	1022	}
		1023	_recalc_want;
723	};	1024	};
724		1025
725	# all those should be optimised	1026	# all those should be optimised
726	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
731	reattach ($obj);	1032	reattach ($obj);
732	} else {	1033	} else {
733	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
734	}	1035	}
		1036	_recalc_want;
735	};	1037	};
736		1038
737	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
739		1041
…		…
754	";	1056	";
755	die if $@;	1057	die if $@;
756	}	1058	}
757		1059
758	our $override;	1060	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		1062
761	sub override {	1063	sub override {
762	$override = 1;	1064	$override = 1;
763	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
764	}	1066	}
765		1067
766	sub do_invoke {	1068	sub do_invoke {
767	my $event = shift;	1069	my $event = shift;
768	my $callbacks = shift;	1070	my $callbacks = shift;
769		1071
770	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
771		1073
772	local $override;	1074	local $override;
773		1075
774	for (@$callbacks) {	1076	for (@$callbacks) {
775	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
776		1078
777	if ($@) {	1079	if ($@) {
778	warn "$@";
779	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
780	override;	1081	override;
781	}	1082	}
782		1083
783	return 1 if $override;	1084	return 1 if $override;
784	}	1085	}
785		1086
786	0	1087	0
787	}	1088	}
788		1089
789	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790		1091
791	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792		1093
793	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
794		1095
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		1099
799	=back	1100	=back
800		1101
801	=cut	1102	=cut
802		1103
803	#############################################################################	1104	#############################################################################
804	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
805		1148
806	sub reattach {	1149	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	1151	my ($obj) = @_;
		1152
		1153	# no longer needed after getting rid of delete_package?
		1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		1155
810	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
811		1157
812	@$registry = ();	1158	@$registry = ();
813		1159
…		…
818	for (@$attach) {	1164	for (@$attach) {
819	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
820	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
821	}	1167	}
822	} else {	1168	} else {
823	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
824	}	1170	}
825	}	1171	}
826	}	1172	}
827		1173
828	cf::attachable->attach (	1174	cf::attachable->attach (
829	prio => -1000000,	1175	prio => -1000000,
830	on_instantiate => sub {	1176	on_instantiate => sub {
831	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
832		1178
833	$data = from_json $data;	1179	$data = decode_json $data;
834		1180
835	for (@$data) {	1181	for (@$data) {
836	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
837		1183
838	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
854	sub object_freezer_save {	1200	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
856		1202
857	sync_job {	1203	sync_job {
858	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
861		1209
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	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;
865	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
866	close $fh;	1217	aio_close $fh;
867		1218
868	if (@$objs) {	1219	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	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;
873	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
874	close $fh;	1228	aio_close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
876	}	1230	}
877	} else {	1231	} else {
878	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
879	}	1233	}
880		1234
881	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
882	} else {	1239	} else {
883	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
884	}	1241	}
885	} else {	1242	} else {
886	aio_unlink $filename;	1243	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
888	}	1245	}
889	}	1246	};
890	}	1247	}
891		1248
892	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
894		1251
…		…
906	or return;	1263	or return;
907		1264
908	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
910	or return;	1267	or return;
		1268
911	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
912	}	1271	}
913		1272
		1273	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
916	return ($data, $av);	1278	($data, $av)
917	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
918		1286
919	#############################################################################	1287	#############################################################################
920	# command handling &c	1288	# command handling &c
921		1289
922	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1304	}
937		1305
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1307
940	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
941		1313
942	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
943	called.	1315	called.
944		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
945	=cut	1328	=cut
946		1329
947	sub register_extcmd {	1330	sub register_extcmd {
948	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
949		1332
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1333	$EXTCMD{$name} = $cb;
954	}	1334	}
		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
955		1343
956	cf::player->attach (	1344	cf::player->attach (
957	on_command => sub {	1345	on_unknown_command => sub {
958	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
959		1347
960	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
961	or return;	1349	or return;
962		1350
…		…
967	cf::override;	1355	cf::override;
968	},	1356	},
969	on_extcmd => sub {	1357	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
971		1359
972	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1361
974	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
980	} else {	1377	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1379	}
983		1380
984	cf::override;	1381	cf::override;
985	},	1382	},
986	);	1383	);
987		1384
988	sub register {	1385	# "readahead" all extensions
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	1386	sub cache_extensions {
995	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
996		1388
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
998	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
999	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}	1392	}
1047	}	1393	};
1048		1394
1049	# remove extcmds	1395	$grp
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	1396	}
1063		1397
1064	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
1065	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1405	next unless -r $path;
1067	eval {	1406
1068	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
1069	1	1470	}
1070	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
1071	}	1481	};
1072	}	1482	}
1073		1483
1074	#############################################################################	1484	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1485
1077	*cf::mapsupport::on_clean = sub {	1486	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1487
1090	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1091		1489
1092	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1093		1491
1094	=cut	1492	=cut
1095		1493
1096	package cf::player;	1494	package cf::player;
1097		1495
…		…
1099		1497
1100	=head3 cf::player	1498	=head3 cf::player
1101		1499
1102	=over 4	1500	=over 4
1103		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
1104	=item cf::player::find $login	1516	=item cf::player::find $login
1105		1517
1106	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1107		1519
1108	=cut	1520	=cut
1109		1521
1110	sub playerdir($) {	1522	sub playerdir($) {
1111	cf::localdir	1523	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1525	}
1117		1526
1118	sub path($) {	1527	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1529
1121	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
1122	}	1531	}
1123		1532
1124	sub find_active($) {	1533	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
1129		1538
1130	sub exists($) {	1539	sub exists($) {
1131	my ($login) = @_;	1540	my ($login) = @_;
1132		1541
1133	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1543	or !aio_stat path $login
1135	}	1544	}
1136		1545
1137	sub find($) {	1546	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1548	my $login = $_[0];
1140		1549
1141	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
1142		1551
1143	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1147	}	1569	}
1148	}	1570	}
1149	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1150		1585
1151	sub save($) {	1586	sub save($) {
1152	my ($pl) = @_;	1587	my ($pl) = @_;
1153		1588
1154	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1159	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1160		1595
1161	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1163		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1164	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1165	Coro::cede;	1605	cf::cede_to_tick;
1166	}	1606	}
1167		1607
1168	sub new($) {	1608	sub new($) {
1169	my ($login) = @_;	1609	my ($login) = @_;
1170		1610
…		…
1176	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1177		1617
1178	$self	1618	$self
1179	}	1619	}
1180		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1181	=item $pl->quit_character	1631	=item $pl->quit_character
1182		1632
1183	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1185		1635
1186	=cut	1636	=cut
1187		1637
1188	sub quit_character {	1638	sub quit_character {
1189	my ($pl) = @_;	1639	my ($pl) = @_;
1190		1640
		1641	my $name = $pl->ob->name;
		1642
1191	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1193		1645
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1196	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1197	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1198		1651
1199	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1204	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1205	}	1678	}
1206		1679
1207	=item cf::player::list_logins	1680	=item cf::player::list_logins
1208		1681
1209	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1211		1684
1212	=cut	1685	=cut
1213		1686
1214	sub list_logins {	1687	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1689	or return [];
1217		1690
1218	my @logins;	1691	my @logins;
1219		1692
1220	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1224		1703
1225	utf8::decode $login;	1704	utf8::decode $login;
1226	push @logins, $login;	1705	push @logins, $login;
1227	}	1706	}
1228		1707
1229	\@logins	1708	\@logins
1230	}	1709	}
1231		1710
1232	=item $player->maps	1711	=item $player->maps
1233		1712
		1713	=item cf::player::maps $login
		1714
1234	Returns an arrayref of cf::path's of all maps that are private for this	1715	Returns an arrayref of map paths that are private for this
1235	player. May block.	1716	player. May block.
1236		1717
1237	=cut	1718	=cut
1238		1719
1239	sub maps($) {	1720	sub maps($) {
1240	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1724
1242	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1243	or return;	1726	or return;
1244		1727
1245	my @paths;	1728	my @paths;
…		…
1247	for (@$files) {	1730	for (@$files) {
1248	utf8::decode $_;	1731	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1733	next unless /^$PATH_SEP/o;
1251		1734
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1735	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1736	}
1254		1737
1255	\@paths	1738	\@paths
1256	}	1739	}
1257		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1259		1746
1260	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1261		1748
1262	=cut	1749	=cut
1263		1750
1264	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1266		1753
1267	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1755	}
1271		1756
1272	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1273		1799
1274	=back	1800	=back
1275
1276		1801
1277	=head3 cf::map	1802	=head3 cf::map
1278		1803
1279	=over 4	1804	=over 4
1280		1805
…		…
1283	package cf::map;	1808	package cf::map;
1284		1809
1285	use Fcntl;	1810	use Fcntl;
1286	use Coro::AIO;	1811	use Coro::AIO;
1287		1812
		1813	use overload
		1814	'""' => \&as_string,
		1815	fallback => 1;
		1816
1288	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1290		1819
1291	sub generate_random_map {	1820	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1293		1824
1294	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1826	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1834	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1835	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1836	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1837	(cf::region::find $rmp->{region}), $rmp->{custom}
		1838	)
1308	}	1839	}
1309		1840
1310	# and all this just because we cannot iterate over	1841	=item cf::map->register ($regex, $prio)
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;
1314		1842
1315	$_->change_map_light ($change)	1843	Register a handler for the map path matching the given regex at the
1316	for grep $_->outdoor, values %cf::MAP;	1844	givne priority (higher is better, built-in handlers have priority 0, the
1317	}	1845	default).
1318		1846
1319	sub try_load_header($) {	1847	=cut
		1848
		1849	sub register {
		1850	my (undef, $regex, $prio) = @_;
		1851	my $pkg = caller;
		1852
		1853	push @{"$pkg\::ISA"}, __PACKAGE__;
		1854
		1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1856	}
		1857
		1858	# also paths starting with '/'
		1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1860
		1861	sub thawer_merge {
		1862	my ($self, $merge) = @_;
		1863
		1864	# we have to keep some variables in memory intact
		1865	local $self->{path};
		1866	local $self->{load_path};
		1867
		1868	$self->SUPER::thawer_merge ($merge);
		1869	}
		1870
		1871	sub normalise {
1320	my ($path) = @_;	1872	my ($path, $base) = @_;
		1873
		1874	$path = "$path"; # make sure it's a string
		1875
		1876	$path =~ s/\.map$//;
		1877
		1878	# map plan:
		1879	#
		1880	# /! non-realised random map exit (special hack!)
		1881	# {... are special paths that are not being touched
		1882	# ?xxx/... are special absolute paths
		1883	# ?random/... random maps
		1884	# /... normal maps
		1885	# ~user/... per-player map of a specific user
		1886
		1887	$path =~ s/$PATH_SEP/\//go;
		1888
		1889	# treat it as relative path if it starts with
		1890	# something that looks reasonable
		1891	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1892	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1893
		1894	$base =~ s{[^/]+/?$}{};
		1895	$path = "$base/$path";
		1896	}
		1897
		1898	for ($path) {
		1899	redo if s{//}{/};
		1900	redo if s{/\.?/}{/};
		1901	redo if s{/[^/]+/\.\./}{/};
		1902	}
		1903
		1904	$path
		1905	}
		1906
		1907	sub new_from_path {
		1908	my (undef, $path, $base) = @_;
		1909
		1910	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1911
		1912	$path = normalise $path, $base;
		1913
		1914	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1915	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1916	my $self = bless cf::map::new, $pkg;
		1917	$self->{path} = $path; $self->path ($path);
		1918	$self->init; # pass $1 etc.
		1919	return $self;
		1920	}
		1921	}
		1922
		1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1924	()
		1925	}
		1926
		1927	sub init {
		1928	my ($self) = @_;
		1929
		1930	$self
		1931	}
		1932
		1933	sub as_string {
		1934	my ($self) = @_;
		1935
		1936	"$self->{path}"
		1937	}
		1938
		1939	# the displayed name, this is a one way mapping
		1940	sub visible_name {
		1941	&as_string
		1942	}
		1943
		1944	# the original (read-only) location
		1945	sub load_path {
		1946	my ($self) = @_;
		1947
		1948	"$MAPDIR/$self->{path}.map"
		1949	}
		1950
		1951	# the temporary/swap location
		1952	sub save_path {
		1953	my ($self) = @_;
		1954
		1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1956	"$TMPDIR/$path.map"
		1957	}
		1958
		1959	# the unique path, undef == no special unique path
		1960	sub uniq_path {
		1961	my ($self) = @_;
		1962
		1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1964	"$UNIQUEDIR/$path"
		1965	}
		1966
		1967	sub decay_objects {
		1968	my ($self) = @_;
		1969
		1970	return if $self->{deny_reset};
		1971
		1972	$self->do_decay_objects;
		1973	}
		1974
		1975	sub unlink_save {
		1976	my ($self) = @_;
		1977
		1978	utf8::encode (my $save = $self->save_path);
		1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1981	}
		1982
		1983	sub load_header_from($) {
		1984	my ($self, $path) = @_;
1321		1985
1322	utf8::encode $path;	1986	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1324	or return;	1988	or return;
1325		1989
1326	my $map = cf::map::new	1990	$self->_load_header ($f)
1327	or return;	1991	or return;
1328		1992
1329	# for better error messages only, will be overwritten	1993	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1994	$f->resolve_delayed_derefs;
1331		1995
1332	$map->load_header ($path)	1996	$self->{load_path} = $path;
		1997
		1998	1
		1999	}
		2000
		2001	sub load_header_orig {
		2002	my ($self) = @_;
		2003
		2004	$self->load_header_from ($self->load_path)
		2005	}
		2006
		2007	sub load_header_temp {
		2008	my ($self) = @_;
		2009
		2010	$self->load_header_from ($self->save_path)
		2011	}
		2012
		2013	sub prepare_temp {
		2014	my ($self) = @_;
		2015
		2016	$self->last_access ((delete $self->{last_access})
		2017	|| $cf::RUNTIME); #d#
		2018	# safety
		2019	$self->{instantiate_time} = $cf::RUNTIME
		2020	if $self->{instantiate_time} > $cf::RUNTIME;
		2021	}
		2022
		2023	sub prepare_orig {
		2024	my ($self) = @_;
		2025
		2026	$self->{load_original} = 1;
		2027	$self->{instantiate_time} = $cf::RUNTIME;
		2028	$self->last_access ($cf::RUNTIME);
		2029	$self->instantiate;
		2030	}
		2031
		2032	sub load_header {
		2033	my ($self) = @_;
		2034
		2035	if ($self->load_header_temp) {
		2036	$self->prepare_temp;
		2037	} else {
		2038	$self->load_header_orig
1333	or return;	2039	or return;
		2040	$self->prepare_orig;
		2041	}
1334		2042
1335	$map->{load_path} = $path;	2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
1336		2045
1337	$map	2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
		2049	1
1338	}	2050	}
1339		2051
1340	sub find;	2052	sub find;
1341	sub find {	2053	sub find {
1342	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1343		2055
1344	#warn "find<$path,$origin>\n";#d#	2056	cf::cede_to_tick;
1345		2057
1346	$path = new cf::path $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		2059
1349	cf::lock_wait "map_find:$key";	2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1350
1351	$cf::MAP{$key} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1353		2062
1354	# do it the slow way	2063	$cf::MAP{$path} || do {
1355	my $map = try_load_header $path->save_path;	2064	my $map = new_from_path cf::map $path
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	2065	or return;
1373		2066
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1386		2068
1387	Coro::cede;	2069	$map->load_header
		2070	or return;
1388		2071
1389	if ($map->should_reset) {	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2073	# doing this can freeze the server in a sync job, obviously
		2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1390	$map->reset;	2077	$map->reset;
1391	undef $guard;
1392	$map = find $path	2078	return find $path;
1393	or return;
1394	}	2079	}
1395		2080
1396	$cf::MAP{$key} = $map	2081	$cf::MAP{$path} = $map
1397	}	2082	}
1398	}	2083	}
		2084
		2085	sub pre_load { }
		2086	#sub post_load { } # XS
1399		2087
1400	sub load {	2088	sub load {
1401	my ($self) = @_;	2089	my ($self) = @_;
1402		2090
		2091	local $self->{deny_reset} = 1; # loading can take a long time
		2092
1403	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2096	my $guard = cf::lock_acquire "map_data:$path";
1405		2097
		2098	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2100
1408	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1409		2102
1410	$self->alloc;	2103	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	2104
		2105	$self->pre_load;
		2106	cf::cede_to_tick;
		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1412	or return;	2111	or return;
1413		2112
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1415	if delete $self->{load_original};	2114	if delete $self->{load_original};
1416		2115
1417	if (my $uniq = $path->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	2117	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	2120	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1422	}	2124	}
1423	}	2125	}
1424		2126
1425	Coro::cede;	2127	$f->resolve_delayed_derefs;
1426		2128
		2129	cf::cede_to_tick;
1427	# now do the right thing for maps	2130	# now do the right thing for maps
1428	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	2133	unless $self->difficulty;
		2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1440	$self->activate;	2141	$self->activate;
1441	}	2142	}
1442		2143
1443	Coro::cede;	2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
1444		2146
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
		2148	}
		2149
		2150	$self->post_load;
		2151	}
		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
		2156	sub customise_for {
		2157	my ($self, $ob) = @_;
		2158
		2159	return find "~" . $ob->name . "/" . $self->{path}
		2160	if $self->per_player;
		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
		2165	$self
1446	}	2166	}
1447		2167
1448	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	2169	sub load_neighbours {
1450	my ($map) = @_;	2170	my ($map) = @_;
1451		2171
1452	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1453		2173
1454	for (0 .. 3) {	2174	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1456	or next;	2176	or next;
1457	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1458	or next;	2178	or next;
1459	$neigh->load;	2179	$neigh->load;
1460		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2185	}
1464		2186
1465	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1467	or next;	2190	or next;
1468	$neigh->load;	2191	$neigh->load;
1469	}	2192	}
1470	}	2193	}
1471		2194
1472	sub find_sync {	2195	sub find_sync {
1473	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1474		2197
1475	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1476	}	2202	}
1477		2203
1478	sub do_load_sync {	2204	sub do_load_sync {
1479	my ($map) = @_;	2205	my ($map) = @_;
1480		2206
1481	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1482	}	2211	}
1483		2212
1484	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
		2214	our $MAP_PREFETCHER = undef;
		2215
		2216	sub find_async {
		2217	my ($path, $origin, $load) = @_;
		2218
		2219	$path = normalise $path, $origin && $origin->{path};
		2220
		2221	if (my $map = $cf::MAP{$path}) {
		2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2223	}
		2224
		2225	$MAP_PREFETCH{$path} |= $load;
		2226
1485	our $MAP_PREFETCHER = Coro::async {	2227	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2228	$Coro::current->{desc} = "map prefetcher";
		2229
1487	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2232	if (my $map = find $k) {
		2233	$map->load if $v;
		2234	}
		2235
1490	my $path = delete $MAP_PREFETCH{$key};	2236	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2237	}
1496	Coro::schedule;	2238	}
		2239	undef $MAP_PREFETCHER;
1497	}	2240	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2241	$MAP_PREFETCHER->prio (6);
1512		2242
1513	()	2243	()
		2244	}
		2245
		2246	# common code, used by both ->save and ->swapout
		2247	sub _save {
		2248	my ($self) = @_;
		2249
		2250	$self->{last_save} = $cf::RUNTIME;
		2251
		2252	return unless $self->dirty;
		2253
		2254	my $save = $self->save_path; utf8::encode $save;
		2255	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2256
		2257	$self->{load_path} = $save;
		2258
		2259	return if $self->{deny_save};
		2260
		2261	local $self->{last_access} = $self->last_access;#d#
		2262
		2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
		2265	$_->contr->save for $self->players;
		2266	};
		2267
		2268	cf::get_slot 0.02;
		2269
		2270	if ($uniq) {
		2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2273	} else {
		2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2275	}
1514	}	2276	}
1515		2277
1516	sub save {	2278	sub save {
1517	my ($self) = @_;	2279	my ($self) = @_;
1518		2280
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2282
1521	$self->{last_save} = $cf::RUNTIME;	2283	$self->_save;
1522
1523	return unless $self->dirty;
1524
1525	my $save = $self->{path}->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1527
1528	$self->{load_path} = $save;
1529
1530	return if $self->{deny_save};
1531
1532	local $self->{last_access} = $self->last_access;#d#
1533
1534	cf::async {
1535	$_->contr->save for $self->players;
1536	};
1537
1538	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}
1544	}	2284	}
1545		2285
1546	sub swap_out {	2286	sub swap_out {
1547	my ($self) = @_;	2287	my ($self) = @_;
1548		2288
1549	# save first because save cedes
1550	$self->save;
1551
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1554	return if $self->players;	2293	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;
1556	return if $self->{deny_save};
1557		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1558	$self->clear;	2304	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2305	}
1561		2306
1562	sub reset_at {	2307	sub reset_at {
1563	my ($self) = @_;	2308	my ($self) = @_;
1564		2309
1565	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1568		2312
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2315
…		…
1576	my ($self) = @_;	2320	my ($self) = @_;
1577		2321
1578	$self->reset_at <= $cf::RUNTIME	2322	$self->reset_at <= $cf::RUNTIME
1579	}	2323	}
1580		2324
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2325	sub reset {
1603	my ($self) = @_;	2326	my ($self) = @_;
1604		2327
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2329
1607	return if $self->players;	2330	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2331
1610	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
		2333
		2334	$self->in_memory (cf::MAP_SWAPPED);
		2335
		2336	# need to save uniques path
		2337	unless ($self->{deny_save}) {
		2338	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2339
		2340	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2341	if $uniq;
		2342	}
1611		2343
1612	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1613		2345
		2346	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2347	$_->clear_links_to ($self) for values %cf::MAP;
		2348	$self->clear;
1615		2349
1616	$self->unlink_save;	2350	$self->unlink_save;
1617	$self->destroy;	2351	$self->destroy;
1618	}	2352	}
1619		2353
1620	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1621		2355
1622	sub nuke {	2356	sub nuke {
1623	my ($self) = @_;	2357	my ($self) = @_;
1624		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	delete $cf::MAP{$self->path};
		2363
		2364	$self->unlink_save;
		2365
		2366	bless $self, "cf::map::wrap";
		2367	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2371
		2372	$cf::MAP{$self->path} = $self;
		2373	}
		2374
1628	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
1629	}	2376	}
1630		2377
1631	sub customise_for {	2378	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2379
1634	if ($map->per_player) {	2380	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
1636	}	2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
1637		2395
1638	$map	2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1639	}	2412	}
1640		2413
1641	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1642		2415
1643	Returns an arrayref of cf::path's of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2417	instantiated unique items. May block.
1645		2418
1646	=cut	2419	=cut
1647		2420
1648	sub unique_maps() {	2421	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1650	or return;	2423	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2424	utf8::decode $_;
1656	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1657	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658		2427	? ()
1659	push @paths, new cf::path $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2430	]
1661
1662	\@paths
1663	}	2431	}
1664		2432
1665	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1666		2464
1667	=back	2465	=back
1668		2466
1669	=head3 cf::object	2467	=head3 cf::object
1670		2468
…		…
1674		2472
1675	=over 4	2473	=over 4
1676		2474
1677	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1678		2476
1679	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1680		2479
1681	=cut	2480	=cut
1682		2481
1683	sub inv_recursive_;	2482	sub inv_recursive_;
1684	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1687		2486
1688	sub inv_recursive {	2487	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1690	}	2489	}
1691		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1692	package cf;	2519	package cf;
1693		2520
1694	=back	2521	=back
1695		2522
1696	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1703	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1704	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1705		2532
1706	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1707		2548
1708	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1709	# with dialog boxes.	2550	# with dialog boxes.
1710	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1711	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1713		2554
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2556
1716	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1718	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1721	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1722	}	2582	}
1723		2583
1724	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1725		2585
1726	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1739		2599
1740	=item $player_object->enter_link	2600	=item $player_object->enter_link
1741		2601
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2603
1744	The player should be reaosnably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1745	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
		2608
		2609	Will never block.
1746		2610
1747	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1748		2612
1749	Moves the player out of the specila link map onto the given map. If the	2613	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2614	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2615	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2616	fails, to the emergency map position.
1753		2617
1754	Might block.	2618	Might block.
1755		2619
1756	=cut	2620	=cut
		2621
		2622	sub link_map {
		2623	unless ($LINK_MAP) {
		2624	$LINK_MAP = cf::map::find "{link}"
		2625	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2626	$LINK_MAP->load;
		2627	}
		2628
		2629	$LINK_MAP
		2630	}
1757		2631
1758	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2633	my ($self) = @_;
1760		2634
1761	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1762		2636
1763	return if $self->map == $LINK_MAP;	2637	++$self->{_link_recursion};
		2638
		2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2640
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1767		2643
1768	$self->enter_map ($LINK_MAP, 20, 20);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1769	}	2645	}
1770		2646
1771	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1773		2651
1774	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1775		2653
1776	unless ($map) {	2654	unless ($map) {
1777	# restore original map position	2655	# restore original map position
…		…
1788	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1789	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1790		2668
1791	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1794		2672
1795	$map->load;	2673	$map->load;
1796	$map->load_diag;	2674	$map->load_neighbours;
1797		2675
1798	return unless $self->contr->active;	2676	return unless $self->contr->active;
		2677
		2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2679	if ($self->enter_map ($map, $x, $y)) {
		2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
1799	$self->activate_recursive;	2683	$self->activate_recursive;
1800	$self->enter_map ($map, $x, $y);
1801	}
1802
1803	cf::player->attach (
1804	on_logout => sub {
1805	my ($pl) = @_;
1806
1807	# abort map switching before logout
1808	if ($pl->ob->{_link_pos}) {
1809	cf::sync_job {
1810	$pl->ob->leave_link
1811	};
1812	}
1813	},	2684	}
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2685
1817	# try to abort aborted map switching on player login :)	2686	}
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834		2687
1835	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1836		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1837	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1838		2702
1839	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2705
1842	$path = new cf::path $path;	2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2714
1844	$self->enter_link;	2715	$self->enter_link;
1845		2716
1846	(async {	2717	(async {
1847	my $map = cf::map::find $path->as_string;	2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
		2739	my $map = eval {
		2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
1849		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2745	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
1854		2748
		2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
		2755	}
		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1856	})->prio (1);	2763	})->prio (1);
1857	}	2764	}
1858		2765
1859	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1860		2767
…		…
1862		2769
1863	sub parse_random_map_params {	2770	sub parse_random_map_params {
1864	my ($spec) = @_;	2771	my ($spec) = @_;
1865		2772
1866	my $rmp = { # defaults	2773	my $rmp = { # defaults
1867	xsize => 10,	2774	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2775	ysize => (cf::rndm 15, 40),
		2776	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2777	#layout => string,
1869	};	2778	};
1870		2779
1871	for (split /\n/, $spec) {	2780	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2781	my ($k, $v) = split /\s+/, $_, 2;
1873		2782
…		…
1885	# that depends on the exit object	2794	# that depends on the exit object
1886		2795
1887	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
1888		2797
1889	if ($exit->map) {	2798	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2799	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1894	}	2805	}
1895		2806
1896	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1897		2808
1898	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
		2811	my $meta = "$RANDOMDIR/$md5.meta";
1900		2812
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
		2815	undef $fh;
		2816	aio_rename "$meta~", $meta;
1903		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1904	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1906	}	2824	}
1907	}	2825	}
1908		2826
1909	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
…		…
1912	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1913		2831
1914	$self->enter_link;	2832	$self->enter_link;
1915		2833
1916	(async {	2834	(async {
1917	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1918	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
1919	prepare_random_map $exit	2844	prepare_random_map $exit
1920	if $exit->slaying eq "/!";	2845	if $exit->slaying eq "/!";
		2846	}
1921		2847
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
1924		2851
		2852	$self->goto ($map, $x, $y);
		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1925	1;	2858	1
1926	}) {	2859	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1928	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2864
1932	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1933	$self->leave_link;	2866	$self->leave_link;
1934	}	2867	}
1935	})->prio (1);	2868	})->prio (1);
1936	}	2869	}
1937		2870
…		…
1948		2881
1949	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1951		2884
1952	utf8::encode $text;	2885	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2887	}
1955		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
		3076	=item $client->ext_msg ($type, @msg)
		3077
		3078	Sends an ext event to the client.
		3079
		3080	=cut
		3081
		3082	sub cf::client::ext_msg($$@) {
		3083	my ($self, $type, @msg) = @_;
		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
		3088	push @msg, msgtype => "event_$type";
		3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
		3109	}
1956		3110
1957	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1958		3112
1959	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		3116
1963	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	3118	become reliable at some point in the future.
1965		3119
1966	=cut	3120	=cut
1967		3121
1968	sub cf::client::query {	3122	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	3131	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		3133
1980	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
1982	}	3138	}
1983		3139
1984	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
1985	on_reply => sub {	3146	on_reply => sub {
1986	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
1987		3148
1988	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
1989	# get handled first	3150	# get handled first
1990	my $queue = delete $ns->{query_queue}	3151	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	3152	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		3153
1993	(shift @$queue)->[1]->($msg);	3154	(shift @$queue)->[1]->($msg);
		3155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		3156
1995	push @{ $ns->{query_queue} }, @$queue;	3157	push @{ $ns->{query_queue} }, @$queue;
1996		3158
1997	if (@{ $ns->{query_queue} } == @$queue) {	3159	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	3160	if (@$queue) {
…		…
2000	} else {	3162	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	3164	}
2003	}	3165	}
2004	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2005	);	3193	);
2006		3194
2007	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2008		3196
2009	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2025		3213
2026	$coro	3214	$coro
2027	}	3215	}
2028		3216
2029	cf::client->attach (	3217	cf::client->attach (
2030	on_destroy => sub {	3218	on_client_destroy => sub {
2031	my ($ns) = @_;	3219	my ($ns) = @_;
2032		3220
2033	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2034	},	3222	},
2035	);	3223	);
…		…
2050	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2052		3240
2053	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2054		3242
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2056		3248
2057	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2058		3250
2059	=pod	3251	=pod
2060		3252
2061	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2062		3254
2063	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2064	cf::object::player player	3260	cf::object::player
2065	cf::player peaceful	3261	player
2066	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2067		3268
2068	=cut	3269	=cut
2069		3270
2070	for (	3271	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2072	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2074	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2075	) {	3278	) {
2076	no strict 'refs';
2077	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2078	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2079	for @funs;	3281	for @funs;
2080	}	3282	}
2081		3283
…		…
2096		3298
2097	my $qcode = $code;	3299	my $qcode = $code;
2098	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2099	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2100		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2101	local $_;	3306	local $_;
2102	local @safe::cf::_safe_eval_args = values %vars;
2103		3307
2104	my $eval =	3308	my $eval =
2105	"do {\n"	3309	"do {\n"
2106	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2107	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2108	. $code	3312	. $code
2109	. "\n}"	3313	. "\n}"
2110	;	3314	;
2111		3315
		3316	if ($CFG{safe_eval}) {
2112	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2113	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2114	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2115		3325
2116	if ($@) {	3326	if ($@) {
2117	warn "$@";	3327	warn "$@",
2118	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2119	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2120	}	3330	}
2121		3331
2122	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2123	}	3333	}
2124		3334
…		…
2138	=cut	3348	=cut
2139		3349
2140	sub register_script_function {	3350	sub register_script_function {
2141	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2142		3352
2143	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2144	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2145	}	3355	}
2146		3356
2147	=back	3357	=back
2148		3358
2149	=cut	3359	=cut
2150		3360
2151	#############################################################################	3361	#############################################################################
		3362	# the server's init and main functions
2152		3363
2153	=head2 EXTENSION DATABASE SUPPORT	3364	sub load_facedata($) {
		3365	my ($path) = @_;
2154		3366
2155	Crossfire maintains a very simple database for extension use. It can	3367	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3368	# for this (global event?)
2157	excludes objects.	3369	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3370
2159	The parameter C<$family> should best start with the name of the extension	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3372
2162	=over 4	3373	trace "loading facedata from $path\n";
2163		3374
2164	=item $hashref = cf::db_get $family	3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
2165		3378
2166	Return a hashref for use by the extension C<$family>, which can be	3379	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3380
2170	=item $value = cf::db_get $family => $key	3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3383
2172	Returns a single value from the database	3384	# patch in the exptable
2173		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2174	=item cf::db_put $family => $hashref	3386	$facedata->{resource}{"res/exp_table"} = {
2175		3387	type => FT_RSRC,
2176	Stores the given family hashref into the database. Updates are delayed, if	3388	data => $exp_table,
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3389	hash => (Digest::MD5::md5 $exp_table),
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3390	};
		3391	cf::cede_to_tick;
2225		3392
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3393	{
		3394	my $faces = $facedata->{faceinfo};
2230		3395
2231	sub db_get($;$) {	3396	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		3398
2237	sub db_put($$;$) {	3399	cf::face::set_visibility $idx, $info->{visibility};
2238	if (@_ >= 3) {	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2239	$DB->{$_[0]}{$_[1]} = $_[2];	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2240	} else {	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		3403
2246	cf::global->attach (	3404	cf::cede_to_tick;
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3405	}
2251	);
2252	}
2253		3406
2254	#############################################################################	3407	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3408	next unless $info->{smooth};
2256		3409
2257	sub cfg_load {	3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_exp_table;
		3531	reload_materials;
		3532	reload_facedata;
		3533	reload_sound;
		3534	reload_archetypes;
		3535	reload_regions;
		3536	reload_treasures;
		3537
		3538	trace "finished reloading resource files\n";
		3539	}
		3540
		3541	sub reload_config {
		3542	trace "reloading config file...\n";
		3543
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3545	or return;
2260		3546
2261	local $/;	3547	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2263		3549
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2265		3551
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2268		3554
2269	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	3559	};
2274	warn $@ if $@;	3560	warn $@ if $@;
2275	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2276	}	3592	}
2277		3593
2278	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
2279	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	async { Event::one_event };	3607	(async {
		3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
		3610	})->prio (Coro::PRIO_MAX);
2283	};	3611	};
2284		3612
2285	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
2286	db_load;	3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		3623
		3624	reload_resources;
		3625	reload_config;
		3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2287	load_extensions;	3636	load_extensions;
2288	Event::loop;	3637
		3638	utime time, time, $RUNTIMEFILE;
		3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2289	}	3656	}
2290		3657
2291	#############################################################################	3658	#############################################################################
2292	# initialisation and cleanup	3659	# initialisation and cleanup
2293		3660
2294	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2295	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2296	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2302	},
2303	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2304	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2305	}	3757	}
2306		3758
2307	sub emergency_save() {	3759	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2309		3761
2310	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2311		3768
2312	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2313	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2317	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3780	$pl->save;
2321	}	3781	}
2322	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2323		3783
2324	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2325	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2326	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3789	$map->valid or next;
2328	$map->save;	3790	$map->save;
2329	}	3791	}
2330	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2331	};	3822	};
2332		3823
2333	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2334	}	3825	}
2335		3826
		3827	sub post_cleanup {
		3828	my ($make_core) = @_;
		3829
		3830	IO::AIO::flush;
		3831
		3832	error Carp::longmess "post_cleanup backtrace"
		3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
		3862	}
		3863
2336	sub reload() {	3864	sub do_reload_perl() {
2337	# can/must only be called in main	3865	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2339	warn "can only reload from main coroutine\n";	3867	error "can only reload from main coroutine";
2340	return;	3868	return;
2341	}	3869	}
2342		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2343	warn "reloading...";	3877	info "reloading...";
2344		3878
2345	my $guard = freeze_mainloop;	3879	trace "entering sync_job";
		3880
		3881	cf::sync_job {
2346	cf::emergency_save;	3882	#cf::emergency_save;
2347		3883
2348	eval {
2349	# if anything goes wrong in here, we should simply crash as we already saved
2350
2351	# cancel all watchers
2352	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}
2355
2356	# cancel all extension coros	3884	trace "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	3886	%EXT_CORO = ();
2359		3887
2360	# unload all extensions	3888	trace "removing commands";
2361	for (@exts) {	3889	%COMMAND = ();
2362	warn "unloading <$_>";
2363	unload_extension $_;
2364	}
2365		3890
2366	# unload all modules loaded from $LIBDIR	3891	trace "removing ext/exti commands";
2367	while (my ($k, $v) = each %INC) {	3892	%EXTCMD = ();
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3893	%EXTICMD = ();
2369		3894
2370	warn "removing <$k>";	3895	trace "unloading/nuking all extensions";
2371	delete $INC{$k};	3896	for my $pkg (@EXTS) {
		3897	trace "... unloading $pkg";
2372		3898
2373	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;
2375
2376	if (my $cb = $k->can ("unload_module")) {	3899	if (my $cb = $pkg->can ("unload")) {
		3900	eval {
2377	$cb->();	3901	$cb->($pkg);
		3902	1
		3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2378	}	3908	}
2379		3909
2380	Symbol::delete_package $k;	3910	trace "unloading all perl modules loaded from $LIBDIR";
		3911	while (my ($k, $v) = each %INC) {
		3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3913
		3914	trace "... unloading $k";
		3915	delete $INC{$k};
		3916
		3917	$k =~ s/\.pm$//;
		3918	$k =~ s/\//::/g;
		3919
		3920	if (my $cb = $k->can ("unload_module")) {
		3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2381	}	3925	}
2382		3926
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3927	trace "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3930
2391	# remove register_script_function callbacks	3931	trace "unloading cf.pm \"a bit\"";
2392	# TODO
2393
2394	# unload cf.pm "a bit"
2395	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
		3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2396		3934
2397	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3936	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2400		3938
2401	# reload cf.pm	3939	info "unload completed, starting to reload now";
		3940
2402	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2403	require cf;	3942	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2405		3944
2406	# load config and database again	3945	trace "loading config and database again";
2407	cf::cfg_load;	3946	cf::reload_config;
2408	cf::db_load;
2409		3947
2410	# load extensions
2411	warn "load extensions";	3948	trace "loading extensions";
2412	cf::load_extensions;	3949	cf::load_extensions;
2413		3950
2414	# reattach attachments to objects	3951	if ($REATTACH_ON_RELOAD) {
2415	warn "reattach";	3952	trace "reattaching attachments to objects/players";
2416	_global_reattach;	3953	_global_reattach; # objects, sockets
		3954	trace "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
		3956	trace "reattaching attachments to players";
		3957	reattach $_ for values %PLAYER;
		3958	}
		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
		3963	trace "leaving sync_job";
		3964
		3965	1
		3966	} or do {
		3967	error $@;
		3968	cf::cleanup "error while reloading, exiting.";
		3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
		3973	}
		3974
		3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
		3977	};
		3978
		3979	our $RELOAD_WATCHER; # used only during reload
		3980
		3981	sub reload_perl() {
		3982	# doing reload synchronously and two reloads happen back-to-back,
		3983	# coro crashes during coro_state_free->destroy here.
		3984
		3985	$RELOAD_WATCHER ||= cf::async {
		3986	Coro::AIO::aio_wait cache_extensions;
		3987
		3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3989	do_reload_perl;
		3990	undef $RELOAD_WATCHER;
		3991	};
2418	};	3992	};
2419
2420	if ($@) {
2421	warn $@;
2422	warn "error while reloading, exiting.";
2423	exit 1;
2424	}
2425
2426	warn "reloaded successfully";
2427	};
2428
2429	#############################################################################
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3993	}
2471
2472	register "<global>", __PACKAGE__;
2473		3994
2474	register_command "reload" => sub {	3995	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2476		3997
2477	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
		4002	reload_perl;
		4003	};
2481	}	4004	}
2482	};	4005	};
2483		4006
2484	unshift @INC, $LIBDIR;	4007	#############################################################################
2485		4008
2486	$TICK_WATCHER = Event->timer (	4009	my $bug_warning = 0;
2487	reentrant => 0,	4010
2488	prio => 0,	4011	our @WAIT_FOR_TICK;
2489	at => $NEXT_TICK || $TICK,	4012	our @WAIT_FOR_TICK_BEGIN;
2490	data => WF_AUTOCANCEL,	4013
2491	cb => sub {	4014	sub wait_for_tick {
		4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4016
		4017	my $signal = new Coro::Signal;
		4018	push @WAIT_FOR_TICK, $signal;
		4019	$signal->wait;
		4020	}
		4021
		4022	sub wait_for_tick_begin {
		4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4024
		4025	my $signal = new Coro::Signal;
		4026	push @WAIT_FOR_TICK_BEGIN, $signal;
		4027	$signal->wait;
		4028	}
		4029
		4030	sub tick {
		4031	if ($Coro::current != $Coro::main) {
		4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4033	unless ++$bug_warning > 10;
		4034	return;
		4035	}
		4036
2492	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;
2495		4038
2496	$WAIT_FOR_TICK->broadcast;	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2498		4040
2499	# if we are delayed by four ticks or more, skip them all	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2501		4043	Coro::async_pool {
2502	$TICK_WATCHER->at ($NEXT_TICK);	4044	$Coro::current->{desc} = "runtime saver";
2503	$TICK_WATCHER->start;
2504	},
2505	);
2506
2507	IO::AIO::max_poll_time $TICK * 0.2;
2508
2509	Event->io (
2510	fd => IO::AIO::poll_fileno,
2511	poll => 'r',
2512	prio => 5,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,
2519	after => 0,
2520	interval => 10,
2521	cb => sub {
2522	(Coro::unblock_sub {
2523	write_runtime	4045	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	4046	or error "ERROR: unable to write runtime file: $!";
2525	})->();	4047	};
2526	},	4048	}
2527	);	4049
		4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4051	$sig->send;
		4052	}
		4053	while (my $sig = shift @WAIT_FOR_TICK) {
		4054	$sig->send;
		4055	}
		4056
		4057	$LOAD = ($NOW - $TICK_START) / $TICK;
		4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4059
		4060	if (0) {
		4061	if ($NEXT_TICK) {
		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
		4066	}
		4067	}
		4068
		4069	{
		4070	# configure BDB
		4071
		4072	BDB::min_parallel 16;
		4073	BDB::max_poll_reqs $TICK * 0.1;
		4074	$AnyEvent::BDB::WATCHER->priority (1);
		4075
		4076	unless ($DB_ENV) {
		4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4083
		4084	cf::sync_job {
		4085	eval {
		4086	BDB::db_env_open
		4087	$DB_ENV,
		4088	$BDBDIR,
		4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4091	0666;
		4092
		4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4094	};
		4095
		4096	cf::cleanup "db_env_open(db): $@" if $@;
		4097	};
		4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
		4109	}
		4110
		4111	{
		4112	# configure IO::AIO
		4113
		4114	IO::AIO::min_parallel 8;
		4115	IO::AIO::max_poll_time $TICK * 0.1;
		4116	undef $AnyEvent::AIO::WATCHER;
		4117	}
		4118
		4119	my $_log_backtrace;
		4120
		4121	sub _log_backtrace {
		4122	my ($msg, @addr) = @_;
		4123
		4124	$msg =~ s/\n//;
		4125
		4126	# limit the # of concurrent backtraces
		4127	if ($_log_backtrace < 2) {
		4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
		4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
		4133	my @bt = fork_call {
		4134	@addr = map { sprintf "%x", $_ } @addr;
		4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4137	or die "addr2line: $!";
		4138
		4139	my @funcs;
		4140	my @res = <$fh>;
		4141	chomp for @res;
		4142	while (@res) {
		4143	my ($func, $line) = splice @res, 0, 2, ();
		4144	push @funcs, "[$func] $line";
		4145	}
		4146
		4147	@funcs
		4148	};
		4149
		4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4152	LOG llevInfo, "[ABT] $_\n" for @bt;
		4153	--$_log_backtrace;
		4154	};
		4155	} else {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
		4158	}
		4159	}
		4160
		4161	# load additional modules
		4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2528		4164
2529	END { cf::emergency_save }	4165	END { cf::emergency_save }
2530		4166
2531	1	4167	1
2532		4168

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