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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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);
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	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
493		792
494	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
495	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")
496	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
497		796
498	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>
499	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
500	crossfire+).	799	Deliantra).
501		800
502	=over 4	801	=over 4
503		802
504	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
505		804
…		…
549	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
550		849
551	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
553		852
554	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
555	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.
556		855
557	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
558		857
559	=over 4	858	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	919	our @CB_MAP = ();
621		920
622	my %attachment;	921	my %attachment;
623		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
624	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
626		931
627	use sort 'stable';	932	use sort 'stable';
628		933
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
663		968
664	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		973
669	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	975	my $pkg = shift @arg;
671		976
672	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
677		982
678	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
679	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
680		985
681	} elsif (ref $type) {	986	} elsif (ref $type) {
682	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
683		988
684	} else {	989	} else {
685	shift @arg;	990	shift @arg;
686	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
687	}	992	}
688	}	993	}
689	}	994	}
690		995
691	sub _object_attach {	996	sub _object_attach {
…		…
701	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
702	}	1007	}
703		1008
704	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
705	} else {	1010	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
707	}	1012	}
708		1013
709	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
710	}	1015	}
711		1016
…		…
713	if (ref $_[0]) {	1018	if (ref $_[0]) {
714	_object_attach @_;	1019	_object_attach @_;
715	} else {	1020	} else {
716	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
717	}	1022	}
		1023	_recalc_want;
718	};	1024	};
719		1025
720	# all those should be optimised	1026	# all those should be optimised
721	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1032	reattach ($obj);
727	} else {	1033	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
729	}	1035	}
		1036	_recalc_want;
730	};	1037	};
731		1038
732	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
734		1041
…		…
749	";	1056	";
750	die if $@;	1057	die if $@;
751	}	1058	}
752		1059
753	our $override;	1060	our $override;
754	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?
755		1062
756	sub override {	1063	sub override {
757	$override = 1;	1064	$override = 1;
758	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
759	}	1066	}
760		1067
761	sub do_invoke {	1068	sub do_invoke {
762	my $event = shift;	1069	my $event = shift;
763	my $callbacks = shift;	1070	my $callbacks = shift;
764		1071
765	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
766		1073
767	local $override;	1074	local $override;
768		1075
769	for (@$callbacks) {	1076	for (@$callbacks) {
770	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
771		1078
772	if ($@) {	1079	if ($@) {
773	warn "$@";
774	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
775	override;	1081	override;
776	}	1082	}
777		1083
778	return 1 if $override;	1084	return 1 if $override;
779	}	1085	}
780		1086
781	0	1087	0
782	}	1088	}
783		1089
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1091
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1093
788	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
789		1095
790	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
791	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
792	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1099
794	=back	1100	=back
795		1101
796	=cut	1102	=cut
797		1103
798	#############################################################################	1104	#############################################################################
799	# 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	}
800		1148
801	sub reattach {	1149	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
803	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
804		1155
805	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
806		1157
807	@$registry = ();	1158	@$registry = ();
808		1159
…		…
813	for (@$attach) {	1164	for (@$attach) {
814	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
815	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
816	}	1167	}
817	} else {	1168	} else {
818	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
819	}	1170	}
820	}	1171	}
821	}	1172	}
822		1173
823	cf::attachable->attach (	1174	cf::attachable->attach (
824	prio => -1000000,	1175	prio => -1000000,
825	on_instantiate => sub {	1176	on_instantiate => sub {
826	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
827		1178
828	$data = from_json $data;	1179	$data = decode_json $data;
829		1180
830	for (@$data) {	1181	for (@$data) {
831	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
832		1183
833	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1200	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
851		1202
852	sync_job {	1203	sync_job {
853	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
856		1209
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$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;
860	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
861	close $fh;	1217	aio_close $fh;
862		1218
863	if (@$objs) {	1219	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	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;
868	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
869	close $fh;	1228	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
871	}	1230	}
872	} else {	1231	} else {
873	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
874	}	1233	}
875		1234
876	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1239	} else {
878	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
879	}	1241	}
880	} else {	1242	} else {
881	aio_unlink $filename;	1243	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
883	}	1245	}
884	}	1246	};
885	}	1247	}
886		1248
887	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
889		1251
…		…
901	or return;	1263	or return;
902		1264
903	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
905	or return;	1267	or return;
		1268
906	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
907	}	1271	}
908		1272
		1273	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
911	return ($data, $av);	1278	($data, $av)
912	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
913		1286
914	#############################################################################	1287	#############################################################################
915	# command handling &c	1288	# command handling &c
916		1289
917	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1304	}
932		1305
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1307
935	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.
936		1313
937	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
938	called.	1315	called.
939		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
940	=cut	1328	=cut
941		1329
942	sub register_extcmd {	1330	sub register_extcmd {
943	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
944		1332
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1333	$EXTCMD{$name} = $cb;
949	}	1334	}
		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
950		1343
951	cf::player->attach (	1344	cf::player->attach (
952	on_command => sub {	1345	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
954		1347
955	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
956	or return;	1349	or return;
957		1350
…		…
962	cf::override;	1355	cf::override;
963	},	1356	},
964	on_extcmd => sub {	1357	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
966		1359
967	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1361
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
975	} else {	1377	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1379	}
978		1380
979	cf::override;	1381	cf::override;
980	},	1382	},
981	);	1383	);
982		1384
983	sub register {	1385	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1386	sub cache_extensions {
990	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
991		1388
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1392	}
1042	}	1393	};
1043		1394
1044	# remove extcmds	1395	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1396	}
1058		1397
1059	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
1060	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1405	next unless -r $path;
1062	eval {	1406
1063	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	}
1064	1	1470	}
1065	} 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	}
1066	}	1481	};
1067	}	1482	}
1068		1483
1069	#############################################################################	1484	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1485
1072	*cf::mapsupport::on_clean = sub {	1486	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1487
1085	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1086		1489
1087	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1088		1491
1089	=cut	1492	=cut
1090		1493
1091	package cf::player;	1494	package cf::player;
1092		1495
…		…
1094		1497
1095	=head3 cf::player	1498	=head3 cf::player
1096		1499
1097	=over 4	1500	=over 4
1098		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
1099	=item cf::player::find $login	1516	=item cf::player::find $login
1100		1517
1101	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1102		1519
1103	=cut	1520	=cut
1104		1521
1105	sub playerdir($) {	1522	sub playerdir($) {
1106	cf::localdir	1523	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1525	}
1112		1526
1113	sub path($) {	1527	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1529
1116	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
1117	}	1531	}
1118		1532
1119	sub find_active($) {	1533	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
1124		1538
1125	sub exists($) {	1539	sub exists($) {
1126	my ($login) = @_;	1540	my ($login) = @_;
1127		1541
1128	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1543	or !aio_stat path $login
1130	}	1544	}
1131		1545
1132	sub find($) {	1546	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1548	my $login = $_[0];
1135		1549
1136	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
1137		1551
1138	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
1139	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
1140	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;
1141	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1142	}	1569	}
1143	}	1570	}
1144	}	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	);
1145		1585
1146	sub save($) {	1586	sub save($) {
1147	my ($pl) = @_;	1587	my ($pl) = @_;
1148		1588
1149	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1155		1595
1156	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1158		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
1159	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1160	Coro::cede;	1605	cf::cede_to_tick;
1161	}	1606	}
1162		1607
1163	sub new($) {	1608	sub new($) {
1164	my ($login) = @_;	1609	my ($login) = @_;
1165		1610
…		…
1171	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1172		1617
1173	$self	1618	$self
1174	}	1619	}
1175		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
1176	=item $pl->quit_character	1631	=item $pl->quit_character
1177		1632
1178	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
1179	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1180		1635
1181	=cut	1636	=cut
1182		1637
1183	sub quit_character {	1638	sub quit_character {
1184	my ($pl) = @_;	1639	my ($pl) = @_;
1185		1640
		1641	my $name = $pl->ob->name;
		1642
1186	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1187	$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
1188		1645
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1193		1651
1194	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1678	}
1201		1679
1202	=item cf::player::list_logins	1680	=item cf::player::list_logins
1203		1681
1204	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
1205	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1206		1684
1207	=cut	1685	=cut
1208		1686
1209	sub list_logins {	1687	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1689	or return [];
1212		1690
1213	my @logins;	1691	my @logins;
1214		1692
1215	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") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1219		1703
1220	utf8::decode $login;	1704	utf8::decode $login;
1221	push @logins, $login;	1705	push @logins, $login;
1222	}	1706	}
1223		1707
1224	\@logins	1708	\@logins
1225	}	1709	}
1226		1710
1227	=item $player->maps	1711	=item $player->maps
1228		1712
		1713	=item cf::player::maps $login
		1714
1229	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
1230	player. May block.	1716	player. May block.
1231		1717
1232	=cut	1718	=cut
1233		1719
1234	sub maps($) {	1720	sub maps($) {
1235	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1724
1237	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1238	or return;	1726	or return;
1239		1727
1240	my @paths;	1728	my @paths;
1241		1729
1242	for (@$files) {	1730	for (@$files) {
1243	utf8::decode $_;	1731	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1733	next unless /^$PATH_SEP/o;
1246		1734
1247	s/$PATH_SEP/\//g;	1735	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1736	}
1250		1737
1251	\@paths	1738	\@paths
1252	}	1739	}
1253		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1255		1746
1256	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1257		1748
1258	=cut	1749	=cut
1259		1750
1260	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1262		1753
1263	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1755	}
1267		1756
1268	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		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	}
1269		1799
1270	=back	1800	=back
1271
1272		1801
1273	=head3 cf::map	1802	=head3 cf::map
1274		1803
1275	=over 4	1804	=over 4
1276		1805
…		…
1279	package cf::map;	1808	package cf::map;
1280		1809
1281	use Fcntl;	1810	use Fcntl;
1282	use Coro::AIO;	1811	use Coro::AIO;
1283		1812
		1813	use overload
		1814	'""' => \&as_string,
		1815	fallback => 1;
		1816
1284	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1286		1819
1287	sub generate_random_map {	1820	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1824
1290	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1826	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1834	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$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},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1836	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1837	(cf::region::find $rmp->{region}), $rmp->{custom}
		1838	)
1304	}	1839	}
1305		1840
1306	# and all this just because we cannot iterate over	1841	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1842
1311	$_->change_map_light ($change)	1843	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1844	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1845	default).
1314		1846
1315	sub try_load_header($) {	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 {
1316	my ($path) = @_;	1872	my ($path, $base) = @_;
		1873
		1874	$path = "$path"; # make sure its 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) = @_;
1317		1985
1318	utf8::encode $path;	1986	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1320	or return;	1988	or return;
1321		1989
1322	my $map = cf::map::new	1990	$self->_load_header ($f)
1323	or return;	1991	or return;
1324		1992
1325	# for better error messages only, will be overwritten	1993	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1994	$f->resolve_delayed_derefs;
1327		1995
1328	$map->load_header ($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
1329	or return;	2039	or return;
		2040	$self->prepare_orig;
		2041	}
1330		2042
1331	$map->{load_path} = $path;	2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
1332		2045
1333	$map	2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
		2049	1
1334	}	2050	}
1335		2051
1336	sub find;	2052	sub find;
1337	sub find {	2053	sub find {
1338	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1339		2055
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2057
1345	cf::lock_wait "map_find:$key";	2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2060
1350	# do it the slow way	2061	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2062	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2063	or return;
1369		2064
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1382		2066
1383	Coro::cede;	2067	$map->load_header
		2068	or return;
1384		2069
1385	if ($map->should_reset) {	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2071	# doing this can freeze the server in a sync job, obviously
		2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1386	$map->reset;	2075	$map->reset;
1387	undef $guard;
1388	$map = find $path	2076	return find $path;
1389	or return;
1390	}	2077	}
1391		2078
1392	$cf::MAP{$key} = $map	2079	$cf::MAP{$path} = $map
1393	}	2080	}
1394	}	2081	}
		2082
		2083	sub pre_load { }
		2084	#sub post_load { } # XS
1395		2085
1396	sub load {	2086	sub load {
1397	my ($self) = @_;	2087	my ($self) = @_;
1398		2088
		2089	local $self->{deny_reset} = 1; # loading can take a long time
		2090
1399	my $path = $self->{path};	2091	my $path = $self->{path};
		2092
		2093	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2094	my $guard = cf::lock_acquire "map_data:$path";
1401		2095
		2096	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2098
1404	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1405		2100
1406	$self->alloc;	2101	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2102
		2103	$self->pre_load;
		2104	cf::cede_to_tick;
		2105
		2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
		2108	$self->_load_objects ($f)
1408	or return;	2109	or return;
1409		2110
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1411	if delete $self->{load_original};	2112	if delete $self->{load_original};
1412		2113
1413	if (my $uniq = $path->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2115	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2118	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1418	}	2122	}
1419	}	2123	}
1420		2124
1421	Coro::cede;	2125	$f->resolve_delayed_derefs;
1422		2126
		2127	cf::cede_to_tick;
1423	# now do the right thing for maps	2128	# now do the right thing for maps
1424	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2131	unless $self->difficulty;
		2132	cf::cede_to_tick;
		2133
		2134	unless ($self->{deny_activate}) {
		2135	$self->decay_objects;
		2136	$self->fix_auto_apply;
		2137	$self->update_buttons;
		2138	cf::cede_to_tick;
1436	$self->activate;	2139	$self->activate;
1437	}	2140	}
1438		2141
1439	Coro::cede;	2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
1440		2144
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2145	$self->in_memory (cf::MAP_ACTIVE);
		2146	}
		2147
		2148	$self->post_load;
		2149	}
		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
		2154	sub customise_for {
		2155	my ($self, $ob) = @_;
		2156
		2157	return find "~" . $ob->name . "/" . $self->{path}
		2158	if $self->per_player;
		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
		2163	$self
1442	}	2164	}
1443		2165
1444	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2167	sub load_neighbours {
1446	my ($map) = @_;	2168	my ($map) = @_;
1447		2169
1448	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1449		2171
1450	for (0 .. 3) {	2172	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1452	or next;	2174	or next;
1453	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1454	or next;	2176	or next;
1455	$neigh->load;	2177	$neigh->load;
1456		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2183	}
1460		2184
1461	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1463	or next;	2188	or next;
1464	$neigh->load;	2189	$neigh->load;
1465	}	2190	}
1466	}	2191	}
1467		2192
1468	sub find_sync {	2193	sub find_sync {
1469	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1470		2195
1471	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1472	}	2200	}
1473		2201
1474	sub do_load_sync {	2202	sub do_load_sync {
1475	my ($map) = @_;	2203	my ($map) = @_;
1476		2204
1477	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1478	}	2209	}
1479		2210
1480	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
		2212	our $MAP_PREFETCHER = undef;
		2213
		2214	sub find_async {
		2215	my ($path, $origin, $load) = @_;
		2216
		2217	$path = normalise $path, $origin && $origin->{path};
		2218
		2219	if (my $map = $cf::MAP{$path}) {
		2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2221	}
		2222
		2223	$MAP_PREFETCH{$path} |= $load;
		2224
1481	our $MAP_PREFETCHER = Coro::async {	2225	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2226	$Coro::current->{desc} = "map prefetcher";
		2227
1483	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2230	if (my $map = find $k) {
		2231	$map->load if $v;
		2232	}
		2233
1486	my $path = delete $MAP_PREFETCH{$key};	2234	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2235	}
1492	Coro::schedule;	2236	}
		2237	undef $MAP_PREFETCHER;
1493	}	2238	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2239	$MAP_PREFETCHER->prio (6);
1508		2240
1509	()	2241	()
		2242	}
		2243
		2244	# common code, used by both ->save and ->swapout
		2245	sub _save {
		2246	my ($self) = @_;
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249
		2250	return unless $self->dirty;
		2251
		2252	my $save = $self->save_path; utf8::encode $save;
		2253	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2254
		2255	$self->{load_path} = $save;
		2256
		2257	return if $self->{deny_save};
		2258
		2259	local $self->{last_access} = $self->last_access;#d#
		2260
		2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
		2263	$_->contr->save for $self->players;
		2264	};
		2265
		2266	cf::get_slot 0.02;
		2267
		2268	if ($uniq) {
		2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2271	} else {
		2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2273	}
1510	}	2274	}
1511		2275
1512	sub save {	2276	sub save {
1513	my ($self) = @_;	2277	my ($self) = @_;
1514		2278
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2280
1517	$self->{last_save} = $cf::RUNTIME;	2281	$self->_save;
1518
1519	return unless $self->dirty;
1520
1521	my $save = $self->{path}->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1523
1524	$self->{load_path} = $save;
1525
1526	return if $self->{deny_save};
1527
1528	local $self->{last_access} = $self->last_access;#d#
1529
1530	cf::async {
1531	$_->contr->save for $self->players;
1532	};
1533
1534	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}
1540	}	2282	}
1541		2283
1542	sub swap_out {	2284	sub swap_out {
1543	my ($self) = @_;	2285	my ($self) = @_;
1544		2286
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1550	return if $self->players;	2291	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1554	$self->clear;	2302	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2303	}
1557		2304
1558	sub reset_at {	2305	sub reset_at {
1559	my ($self) = @_;	2306	my ($self) = @_;
1560		2307
1561	# TODO: safety, remove and allow resettable per-player maps	2308	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2309	return 1e99 if $self->{deny_reset};
1564		2310
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2313
…		…
1572	my ($self) = @_;	2318	my ($self) = @_;
1573		2319
1574	$self->reset_at <= $cf::RUNTIME	2320	$self->reset_at <= $cf::RUNTIME
1575	}	2321	}
1576		2322
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2323	sub reset {
1599	my ($self) = @_;	2324	my ($self) = @_;
1600		2325
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2327
1603	return if $self->players;	2328	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2329
1606	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
		2331
		2332	$self->in_memory (cf::MAP_SWAPPED);
		2333
		2334	# need to save uniques path
		2335	unless ($self->{deny_save}) {
		2336	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2337
		2338	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2339	if $uniq;
		2340	}
1607		2341
1608	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1609		2343
		2344	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2345	$_->clear_links_to ($self) for values %cf::MAP;
		2346	$self->clear;
1611		2347
1612	$self->unlink_save;	2348	$self->unlink_save;
1613	$self->destroy;	2349	$self->destroy;
1614	}	2350	}
1615		2351
1616	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1617		2353
1618	sub nuke {	2354	sub nuke {
1619	my ($self) = @_;	2355	my ($self) = @_;
1620		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	delete $cf::MAP{$self->path};
		2361
		2362	$self->unlink_save;
		2363
		2364	bless $self, "cf::map::wrap";
		2365	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2369
		2370	$cf::MAP{$self->path} = $self;
		2371	}
		2372
1624	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
1625	}	2374	}
1626		2375
1627	sub customise_for {	2376	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2377
1630	if ($map->per_player) {	2378	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2379	maps. May block.
		2380
		2381	=cut
		2382
		2383	sub tmp_maps() {
1632	}	2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	/\.map$/
		2388	? normalise $_
		2389	: ()
		2390	} @{ aio_readdir $TMPDIR or [] }
		2391	]
		2392	}
1633		2393
		2394	=item $maps = cf::map::random_maps
		2395
		2396	Returns an arrayref with all map paths of currently instantiated and saved
		2397	random maps. May block.
		2398
		2399	=cut
		2400
		2401	sub random_maps() {
		2402	[
		2403	map {
		2404	utf8::decode $_;
		2405	/\.map$/
		2406	? normalise "?random/$_"
		2407	: ()
		2408	} @{ aio_readdir $RANDOMDIR or [] }
		2409	]
		2410	}
		2411
		2412	=item cf::map::unique_maps
		2413
		2414	Returns an arrayref of paths of all shared maps that have
		2415	instantiated unique items. May block.
		2416
		2417	=cut
		2418
		2419	sub unique_maps() {
		2420	[
		2421	map {
		2422	utf8::decode $_;
		2423	s/\.map$//; # TODO future compatibility hack
		2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2425	? ()
		2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
		2428	]
		2429	}
		2430
		2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
1634	$map	2460	\@maps
1635	}	2461	}
1636
1637	package cf;
1638		2462
1639	=back	2463	=back
1640		2464
1641	=head3 cf::object	2465	=head3 cf::object
1642		2466
…		…
1646		2470
1647	=over 4	2471	=over 4
1648		2472
1649	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1650		2474
1651	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
1652		2477
1653	=cut	2478	=cut
1654		2479
1655	sub inv_recursive_;	2480	sub inv_recursive_;
1656	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1659		2484
1660	sub inv_recursive {	2485	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1662	}	2487	}
1663		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
1664	package cf;	2517	package cf;
1665		2518
1666	=back	2519	=back
1667		2520
1668	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1677		2530
1678	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
1679		2546
1680	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2548	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1685		2552
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2554
1688	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1690	} else {	2558	} else {
		2559	my $pl = $self->contr;
		2560
		2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2562	my $dialog = $pl->{npc_dialog};
		2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2564
		2565	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1693	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
1694	}	2580	}
1695		2581
1696	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1697		2583
1698	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1711		2597
1712	=item $player_object->enter_link	2598	=item $player_object->enter_link
1713		2599
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2601
1716	The player should be reaosnably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
		2606
		2607	Will never block.
1718		2608
1719	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1720		2610
1721	Moves the player out of the specila link map onto the given map. If the	2611	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2612	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2613	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2614	fails, to the emergency map position.
1725		2615
1726	Might block.	2616	Might block.
1727		2617
1728	=cut	2618	=cut
		2619
		2620	sub link_map {
		2621	unless ($LINK_MAP) {
		2622	$LINK_MAP = cf::map::find "{link}"
		2623	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2624	$LINK_MAP->load;
		2625	}
		2626
		2627	$LINK_MAP
		2628	}
1729		2629
1730	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2631	my ($self) = @_;
1732		2632
1733	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1734		2634
1735	return if $self->map == $LINK_MAP;	2635	++$self->{_link_recursion};
		2636
		2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2638
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2640	if $self->map && $self->map->{path} ne "{link}";
1739		2641
1740	$self->enter_map ($LINK_MAP, 20, 20);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2643	}
1742		2644
1743	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
		2647
		2648	return unless $self->contr->active;
1745		2649
1746	my $link_pos = delete $self->{_link_pos};	2650	my $link_pos = delete $self->{_link_pos};
1747		2651
1748	unless ($map) {	2652	unless ($map) {
1749	# restore original map position	2653	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1762		2666
1763	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1766		2670
1767	$map->load;	2671	$map->load;
1768	$map->load_diag;	2672	$map->load_neighbours;
1769		2673
1770	return unless $self->contr->active;	2674	return unless $self->contr->active;
		2675
		2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2677	if ($self->enter_map ($map, $x, $y)) {
		2678	# entering was successful
		2679	delete $self->{_link_recursion};
		2680	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2681	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}
1774
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},	2682	}
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2683
1789	# try to abort aborted map switching on player login :)	2684	}
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2685
1807	=item $player_object->goto ($path, $x, $y)	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808		2687
		2688	Moves the player to the given map-path and coordinates by first freezing
		2689	her, loading and preparing them map, calling the provided $check callback
		2690	that has to return the map if sucecssful, and then unfreezes the player on
		2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
1809	=cut	2697	=cut
		2698
		2699	our $GOTOGEN;
1810		2700
1811	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2703
1814	$path = new cf::path $path;	2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
1815	$path ne "/" or Carp::cluck ("oy");#d#	2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
		2710	# do generation counting so two concurrent goto's will be executed in-order
		2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2712
1817	$self->enter_link;	2713	$self->enter_link;
1818		2714
1819	(async {	2715	(async {
1820	my $map = cf::map::find $path->as_string;	2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
		2737	my $map = eval {
		2738	my $map = defined $path ? cf::map::find $path : undef;
		2739
		2740	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2741	$map = $map->customise_for ($self);
1822		2742	$map = $check->($map, $x, $y, $self) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2743	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2745	}
1827		2746
		2747	$map
		2748	};
		2749
		2750	if ($@) {
		2751	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	LOG llevError | logBacktrace, Carp::longmess $@;
		2753	}
		2754
		2755	if ($gen == $self->{_goto_generation}) {
		2756	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
		2758	}
		2759
		2760	$done->($self) if $done;
1829	})->prio (1);	2761	})->prio (1);
1830	}	2762	}
1831		2763
1832	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1833		2765
…		…
1835		2767
1836	sub parse_random_map_params {	2768	sub parse_random_map_params {
1837	my ($spec) = @_;	2769	my ($spec) = @_;
1838		2770
1839	my $rmp = { # defaults	2771	my $rmp = { # defaults
1840	xsize => 10,	2772	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2773	ysize => (cf::rndm 15, 40),
		2774	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2775	#layout => string,
1842	};	2776	};
1843		2777
1844	for (split /\n/, $spec) {	2778	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2779	my ($k, $v) = split /\s+/, $_, 2;
1846		2780
…		…
1858	# that depends on the exit object	2792	# that depends on the exit object
1859		2793
1860	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
1861		2795
1862	if ($exit->map) {	2796	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2797	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
1867	}	2803	}
1868		2804
1869	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
1870		2806
1871	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
		2809	my $meta = "$RANDOMDIR/$md5.meta";
1873		2810
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
		2813	undef $fh;
		2814	aio_rename "$meta~", $meta;
1876		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
1879	}	2822	}
1880	}	2823	}
1881		2824
1882	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
1886		2829
1887	$self->enter_link;	2830	$self->enter_link;
1888		2831
1889	(async {	2832	(async {
1890	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
1891	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
1892	prepare_random_map $exit	2842	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2843	if $exit->slaying eq "/!";
		2844	}
1894		2845
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
1897		2849
		2850	$self->goto ($map, $x, $y);
		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
1898	1;	2856	1
1899	}) {	2857	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2860	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2862
1905	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
1906	$self->leave_link;	2864	$self->leave_link;
1907	}	2865	}
1908	})->prio (1);	2866	})->prio (1);
1909	}	2867	}
1910		2868
…		…
1921		2879
1922	sub cf::client::send_drawinfo {	2880	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2881	my ($self, $text, $flags) = @_;
1924		2882
1925	utf8::encode $text;	2883	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2885	}
1928		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
		3074	=item $client->ext_msg ($type, @msg)
		3075
		3076	Sends an ext event to the client.
		3077
		3078	=cut
		3079
		3080	sub cf::client::ext_msg($$@) {
		3081	my ($self, $type, @msg) = @_;
		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
		3086	push @msg, msgtype => "event_$type";
		3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
		3107	}
1929		3108
1930	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
1931		3110
1932	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3112	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		3114
1936	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	3116	become reliable at some point in the future.
1938		3117
1939	=cut	3118	=cut
1940		3119
1941	sub cf::client::query {	3120	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	3129	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		3131
1953	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
1955	}	3136	}
1956		3137
1957	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
1958	on_reply => sub {	3144	on_reply => sub {
1959	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
1960		3146
1961	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
1962	# get handled first	3148	# get handled first
1963	my $queue = delete $ns->{query_queue}	3149	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	3150	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		3151
1966	(shift @$queue)->[1]->($msg);	3152	(shift @$queue)->[1]->($msg);
		3153	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		3154
1968	push @{ $ns->{query_queue} }, @$queue;	3155	push @{ $ns->{query_queue} }, @$queue;
1969		3156
1970	if (@{ $ns->{query_queue} } == @$queue) {	3157	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3158	if (@$queue) {
…		…
1973	} else {	3160	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3162	}
1976	}	3163	}
1977	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
1978	);	3191	);
1979		3192
1980	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
1981		3194
1982	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
1998		3211
1999	$coro	3212	$coro
2000	}	3213	}
2001		3214
2002	cf::client->attach (	3215	cf::client->attach (
2003	on_destroy => sub {	3216	on_client_destroy => sub {
2004	my ($ns) = @_;	3217	my ($ns) = @_;
2005		3218
2006	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2007	},	3220	},
2008	);	3221	);
…		…
2023	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2025		3238
2026	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2027		3240
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2029		3246
2030	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2031		3248
2032	=pod	3249	=pod
2033		3250
2034	The following fucntions and emthods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2035		3252
2036	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2037	cf::object::player player	3258	cf::object::player
2038	cf::player peaceful	3259	player
2039	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2040		3266
2041	=cut	3267	=cut
2042		3268
2043	for (	3269	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2045	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2047	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2048	) {	3276	) {
2049	no strict 'refs';
2050	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2051	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2052	for @funs;	3279	for @funs;
2053	}	3280	}
2054		3281
…		…
2069		3296
2070	my $qcode = $code;	3297	my $qcode = $code;
2071	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2072	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2073		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2074	local $_;	3304	local $_;
2075	local @safe::cf::_safe_eval_args = values %vars;
2076		3305
2077	my $eval =	3306	my $eval =
2078	"do {\n"	3307	"do {\n"
2079	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2080	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2081	. $code	3310	. $code
2082	. "\n}"	3311	. "\n}"
2083	;	3312	;
2084		3313
		3314	if ($CFG{safe_eval}) {
2085	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2086	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2087	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2088		3323
2089	if ($@) {	3324	if ($@) {
2090	warn "$@";	3325	warn "$@",
2091	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2092	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2093	}	3328	}
2094		3329
2095	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2096	}	3331	}
2097		3332
…		…
2111	=cut	3346	=cut
2112		3347
2113	sub register_script_function {	3348	sub register_script_function {
2114	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2115		3350
2116	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2117	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2118	}	3353	}
2119		3354
2120	=back	3355	=back
2121		3356
2122	=cut	3357	=cut
2123		3358
2124	#############################################################################	3359	#############################################################################
		3360	# the server's init and main functions
2125		3361
2126	=head2 EXTENSION DATABASE SUPPORT	3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
2127		3365
2128	Crossfire maintains a very simple database for extension use. It can	3366	if (in_main && !tick_inhibit) {
2129	currently store anything that can be serialised using Storable, which	3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
2130	excludes objects.	3368	} else {
2131		3369	debug "loading perl module $mod\n";
2132	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.
2134
2135	=over 4
2136
2137	=item $hashref = cf::db_get $family
2138
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key
2144
2145	Returns a single value from the database
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}	3370	}
2175		3371
2176	my $pid;	3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
2177		3377
2178	sub db_save() {	3378	$data = "#line 1 $dir/$mod\n$data";
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187		3379
2188	my $dirty;	3380	open my $fh, "<", \$data or die;
2189		3381
2190	sub db_sync() {	3382	return $fh;
2191	db_save if $dirty;
2192	undef $dirty;
2193	}	3383	}
2194		3384
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	3385	()
2196	db_sync;	3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
		3404	sub load_facedata($) {
		3405	my ($path) = @_;
		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
		3413	trace "loading facedata from $path\n";
		3414
		3415	my $facedata;
		3416	0 < aio_load $path, $facedata
		3417	or die "$path: $!";
		3418
		3419	$facedata = Coro::Storable::thaw $facedata;
		3420
		3421	$facedata->{version} == 2
		3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
2197	});	3430	};
		3431	cf::cede_to_tick;
2198		3432
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3433	{
		3434	my $faces = $facedata->{faceinfo};
2203		3435
2204	sub db_get($;$) {	3436	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3438
2210	sub db_put($$;$) {	3439	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2213	} else {	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3443
2219	cf::global->attach (	3444	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3445	}
2224	);
2225	}
2226		3446
2227	#############################################################################	3447	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3448	next unless $info->{smooth};
2229		3449
2230	sub cfg_load {	3450	my $idx = cf::face::find $face
		3451	or next;
		3452
		3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
		3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
		3494	1
		3495	}
		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
		3567	sub reload_resources {
		3568	trace "reloading resource files...\n";
		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
		3573	reload_regions;
		3574	reload_treasures;
		3575
		3576	trace "finished reloading resource files\n";
		3577	}
		3578
		3579	sub reload_config {
		3580	trace "reloading config file...\n";
		3581
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3583	or return;
2233		3584
2234	local $/;	3585	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2236		3587
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2238		3589
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2241		3592
2242	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2244	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2245	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2246	};	3597	};
2247	warn $@ if $@;	3598	warn $@ if $@;
2248	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2249	}	3630	}
2250		3631
2251	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2252	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3645	(async {
		3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
		3648	})->prio (Coro::PRIO_MAX);
2256	};	3649	};
2257		3650
2258	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
		3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2260	load_extensions;	3676	load_extensions;
2261	Event::loop;	3677
		3678	utime time, time, $RUNTIMEFILE;
		3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2262	}	3696	}
2263		3697
2264	#############################################################################	3698	#############################################################################
2265	# initialisation and cleanup	3699	# initialisation and cleanup
2266		3700
2267	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2268	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2275	},
2276	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2277	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2278	}	3797	}
2279		3798
2280	sub emergency_save() {	3799	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2282		3801
2283	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2284		3808
2285	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2286	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3820	$pl->save;
2294	}	3821	}
2295	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2296		3823
2297	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3829	$map->valid or next;
2301	$map->save;	3830	$map->save;
2302	}	3831	}
2303	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2304	};	3862	};
2305		3863
2306	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2307	}	3865	}
2308		3866
		3867	sub post_cleanup {
		3868	my ($make_core) = @_;
		3869
		3870	IO::AIO::flush;
		3871
		3872	error Carp::longmess "post_cleanup backtrace"
		3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2309	sub reload() {	3904	sub do_reload_perl() {
2310	# can/must only be called in main	3905	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2312	warn "can only reload from main coroutine\n";	3907	error "can only reload from main coroutine";
2313	return;	3908	return;
2314	}	3909	}
2315		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2316	warn "reloading...";	3916	info "reloading...";
2317		3917
2318	my $guard = freeze_mainloop;	3918	trace "entering sync_job";
		3919
		3920	cf::sync_job {
2319	cf::emergency_save;	3921	cf::emergency_save;
2320		3922
2321	eval {
2322	# if anything goes wrong in here, we should simply crash as we already saved
2323
2324	# cancel all watchers
2325	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}
2328
2329	# cancel all extension coros	3923	trace "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3925	%EXT_CORO = ();
2332		3926
2333	# unload all extensions	3927	trace "removing commands";
2334	for (@exts) {	3928	%COMMAND = ();
2335	warn "unloading <$_>";
2336	unload_extension $_;
2337	}
2338		3929
2339	# unload all modules loaded from $LIBDIR	3930	trace "removing ext/exti commands";
2340	while (my ($k, $v) = each %INC) {	3931	%EXTCMD = ();
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3932	%EXTICMD = ();
2342		3933
2343	warn "removing <$k>";	3934	trace "unloading/nuking all extensions";
2344	delete $INC{$k};	3935	for my $pkg (@EXTS) {
		3936	trace "... unloading $pkg";
2345		3937
2346	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;
2348
2349	if (my $cb = $k->can ("unload_module")) {	3938	if (my $cb = $pkg->can ("unload")) {
		3939	eval {
2350	$cb->();	3940	$cb->($pkg);
		3941	1
		3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2351	}	3947	}
2352		3948
2353	Symbol::delete_package $k;	3949	trace "unloading all perl modules loaded from $LIBDIR";
		3950	while (my ($k, $v) = each %INC) {
		3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3952
		3953	trace "... unloading $k";
		3954	delete $INC{$k};
		3955
		3956	$k =~ s/\.pm$//;
		3957	$k =~ s/\//::/g;
		3958
		3959	if (my $cb = $k->can ("unload_module")) {
		3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2354	}	3964	}
2355		3965
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3966	trace "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3969
2364	# remove register_script_function callbacks	3970	trace "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2369		3973
2370	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3975	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2373		3977
2374	# reload cf.pm	3978	info "unload completed, starting to reload now";
		3979
2375	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2376	require cf;	3981	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2378		3983
2379	# load config and database again	3984	trace "loading config and database again";
2380	cf::cfg_load;	3985	cf::reload_config;
2381	cf::db_load;
2382		3986
2383	# load extensions
2384	warn "load extensions";	3987	trace "loading extensions";
2385	cf::load_extensions;	3988	cf::load_extensions;
2386		3989
2387	# reattach attachments to objects	3990	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3991	trace "reattaching attachments to objects/players";
2389	_global_reattach;	3992	_global_reattach; # objects, sockets
		3993	trace "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
		3995	trace "reattaching attachments to players";
		3996	reattach $_ for values %PLAYER;
		3997	}
		3998
		3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
		4001
		4002	trace "leaving sync_job";
		4003
		4004	1
		4005	} or do {
		4006	error $@;
		4007	cf::cleanup "error while reloading, exiting.";
		4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
		4012	}
		4013
		4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
		4016	};
		4017
		4018	our $RELOAD_WATCHER; # used only during reload
		4019
		4020	sub reload_perl() {
		4021	# doing reload synchronously and two reloads happen back-to-back,
		4022	# coro crashes during coro_state_free->destroy here.
		4023
		4024	$RELOAD_WATCHER ||= cf::async {
		4025	Coro::AIO::aio_wait cache_extensions;
		4026
		4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4028	do_reload_perl;
		4029	undef $RELOAD_WATCHER;
		4030	};
2391	};	4031	};
2392
2393	if ($@) {
2394	warn $@;
2395	warn "error while reloading, exiting.";
2396	exit 1;
2397	}
2398
2399	warn "reloaded successfully";
2400	};
2401
2402	#############################################################################
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	4032	}
2444
2445	register "<global>", __PACKAGE__;
2446		4033
2447	register_command "reload" => sub {	4034	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2449		4036
2450	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	4038	$who->message ("reloading server.");
		4039	async {
		4040	$Coro::current->{desc} = "perl_reload";
		4041	reload_perl;
		4042	};
2454	}	4043	}
2455	};	4044	};
2456		4045
2457	unshift @INC, $LIBDIR;	4046	#############################################################################
2458		4047
2459	$TICK_WATCHER = Event->timer (	4048	my $bug_warning = 0;
2460	reentrant => 0,	4049
2461	prio => 0,	4050	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	4051	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	4052
2464	cb => sub {	4053	sub wait_for_tick {
		4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4055
		4056	my $signal = new Coro::Signal;
		4057	push @WAIT_FOR_TICK, $signal;
		4058	$signal->wait;
		4059	}
		4060
		4061	sub wait_for_tick_begin {
		4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4063
		4064	my $signal = new Coro::Signal;
		4065	push @WAIT_FOR_TICK_BEGIN, $signal;
		4066	$signal->wait;
		4067	}
		4068
		4069	sub tick {
		4070	if ($Coro::current != $Coro::main) {
		4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4072	unless ++$bug_warning > 10;
		4073	return;
		4074	}
		4075
2465	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		4077
2469	$WAIT_FOR_TICK->broadcast;	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2471		4079
2472	# if we are delayed by four ticks or more, skip them all	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2474		4082	Coro::async_pool {
2475	$TICK_WATCHER->at ($NEXT_TICK);	4083	$Coro::current->{desc} = "runtime saver";
2476	$TICK_WATCHER->start;
2477	},
2478	);
2479
2480	IO::AIO::max_poll_time $TICK * 0.2;
2481
2482	Event->io (
2483	fd => IO::AIO::poll_fileno,
2484	poll => 'r',
2485	prio => 5,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,
2492	after => 0,
2493	interval => 10,
2494	cb => sub {
2495	(Coro::unblock_sub {
2496	write_runtime	4084	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	4085	or error "ERROR: unable to write runtime file: $!";
2498	})->();	4086	};
2499	},	4087	}
2500	);	4088
		4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4090	$sig->send;
		4091	}
		4092	while (my $sig = shift @WAIT_FOR_TICK) {
		4093	$sig->send;
		4094	}
		4095
		4096	$LOAD = ($NOW - $TICK_START) / $TICK;
		4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4098
		4099	if (0) {
		4100	if ($NEXT_TICK) {
		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
		4105	}
		4106	}
		4107
		4108	{
		4109	# configure BDB
		4110
		4111	BDB::min_parallel 16;
		4112	BDB::max_poll_reqs $TICK * 0.1;
		4113	$AnyEvent::BDB::WATCHER->priority (1);
		4114
		4115	unless ($DB_ENV) {
		4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4122
		4123	cf::sync_job {
		4124	eval {
		4125	BDB::db_env_open
		4126	$DB_ENV,
		4127	$BDBDIR,
		4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4130	0666;
		4131
		4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4133	};
		4134
		4135	cf::cleanup "db_env_open(db): $@" if $@;
		4136	};
		4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
		4148	}
		4149
		4150	{
		4151	# configure IO::AIO
		4152
		4153	IO::AIO::min_parallel 8;
		4154	IO::AIO::max_poll_time $TICK * 0.1;
		4155	undef $AnyEvent::AIO::WATCHER;
		4156	}
		4157
		4158	my $_log_backtrace;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n//;
		4164
		4165	# limit the # of concurrent backtraces
		4166	if ($_log_backtrace < 2) {
		4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
		4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
		4172	my @bt = fork_call {
		4173	@addr = map { sprintf "%x", $_ } @addr;
		4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4176	or die "addr2line: $!";
		4177
		4178	my @funcs;
		4179	my @res = <$fh>;
		4180	chomp for @res;
		4181	while (@res) {
		4182	my ($func, $line) = splice @res, 0, 2, ();
		4183	push @funcs, "[$func] $line";
		4184	}
		4185
		4186	@funcs
		4187	};
		4188
		4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4191	LOG llevInfo, "[ABT] $_\n" for @bt;
		4192	--$_log_backtrace;
		4193	};
		4194	} else {
		4195	LOG llevInfo, "[ABT] $msg\n";
		4196	LOG llevInfo, "[ABT] [suppressed]\n";
		4197	}
		4198	}
		4199
		4200	# load additional modules
		4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
2501		4203
2502	END { cf::emergency_save }	4204	END { cf::emergency_save }
2503		4205
2504	1	4206	1
2505		4207

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