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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 1.533 by root, Thu Apr 29 07:59:17 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
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 ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
282		512
283	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
286	fast or be very important.	516	fast or be very important.
…		…
289		519
290	sub sync_job(&) {	520	sub sync_job(&) {
291	my ($job) = @_;	521	my ($job) = @_;
292		522
293	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::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	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	781	}
363		782
364	=back	783	=back
365		784
366	=cut	785	=cut
367		786
368	#############################################################################	787	#############################################################################
369		788
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	789	=head2 ATTACHABLE OBJECTS
493		790
494	Many objects in crossfire are so-called attachable objects. That means you can	791	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")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
497		794
498	In the following description, CLASS can be any of C<global>, C<object>	795	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	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	797	Deliantra).
501		798
502	=over 4	799	=over 4
503		800
504	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
505		802
…		…
549	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
550		847
551	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
553		850
554	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
556		853
557	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
558		855
559	=over 4	856	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	916	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	917	our @CB_MAP = ();
621		918
622	my %attachment;	919	my %attachment;
623		920
		921	sub cf::attachable::thawer_merge {
		922	# simply override everything except _meta
		923	local $_[0]{_meta};
		924	%{$_[0]} = %{$_[1]};
		925	}
		926
624	sub _attach_cb($$$$) {	927	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	928	my ($registry, $event, $prio, $cb) = @_;
626		929
627	use sort 'stable';	930	use sort 'stable';
628		931
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
663		966
664	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		971
669	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	973	my $pkg = shift @arg;
671		974
672	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
677		980
678	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
679	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
680		983
681	} elsif (ref $type) {	984	} elsif (ref $type) {
682	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
683		986
684	} else {	987	} else {
685	shift @arg;	988	shift @arg;
686	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
687	}	990	}
688	}	991	}
689	}	992	}
690		993
691	sub _object_attach {	994	sub _object_attach {
…		…
701	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
702	}	1005	}
703		1006
704	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
705	} else {	1008	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
707	}	1010	}
708		1011
709	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
710	}	1013	}
711		1014
…		…
713	if (ref $_[0]) {	1016	if (ref $_[0]) {
714	_object_attach @_;	1017	_object_attach @_;
715	} else {	1018	} else {
716	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
717	}	1020	}
		1021	_recalc_want;
718	};	1022	};
719		1023
720	# all those should be optimised	1024	# all those should be optimised
721	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1030	reattach ($obj);
727	} else {	1031	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
729	}	1033	}
		1034	_recalc_want;
730	};	1035	};
731		1036
732	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
734		1039
…		…
749	";	1054	";
750	die if $@;	1055	die if $@;
751	}	1056	}
752		1057
753	our $override;	1058	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1060
756	sub override {	1061	sub override {
757	$override = 1;	1062	$override = 1;
758	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
759	}	1064	}
760		1065
761	sub do_invoke {	1066	sub do_invoke {
762	my $event = shift;	1067	my $event = shift;
763	my $callbacks = shift;	1068	my $callbacks = shift;
764		1069
765	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
766		1071
767	local $override;	1072	local $override;
768		1073
769	for (@$callbacks) {	1074	for (@$callbacks) {
770	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
771		1076
772	if ($@) {	1077	if ($@) {
773	warn "$@";
774	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
775	override;	1079	override;
776	}	1080	}
777		1081
778	return 1 if $override;	1082	return 1 if $override;
779	}	1083	}
780		1084
781	0	1085	0
782	}	1086	}
783		1087
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1089
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1091
788	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
789		1093
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	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	1095	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1097
794	=back	1098	=back
795		1099
796	=cut	1100	=cut
797		1101
798	#############################################################################	1102	#############################################################################
799	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
800		1146
801	sub reattach {	1147	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1149	my ($obj) = @_;
		1150
		1151	# no longer needed after getting rid of delete_package?
		1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1153
805	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
806		1155
807	@$registry = ();	1156	@$registry = ();
808		1157
…		…
813	for (@$attach) {	1162	for (@$attach) {
814	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
815	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
816	}	1165	}
817	} else {	1166	} else {
818	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
819	}	1168	}
820	}	1169	}
821	}	1170	}
822		1171
823	cf::attachable->attach (	1172	cf::attachable->attach (
824	prio => -1000000,	1173	prio => -1000000,
825	on_instantiate => sub {	1174	on_instantiate => sub {
826	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
827		1176
828	$data = from_json $data;	1177	$data = decode_json $data;
829		1178
830	for (@$data) {	1179	for (@$data) {
831	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
832		1181
833	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1198	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
851		1200
852	sync_job {	1201	sync_job {
853	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
856		1207
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1211	if ($cf::USE_FSYNC) {
		1212	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;	1213	aio_fsync $fh;
		1214	}
861	close $fh;	1215	aio_close $fh;
862		1216
863	if (@$objs) {	1217	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	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;	1224	aio_fsync $fh;
		1225	}
869	close $fh;	1226	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
871	}	1228	}
872	} else {	1229	} else {
873	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
874	}	1231	}
875		1232
876	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1237	} else {
878	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
879	}	1239	}
880	} else {	1240	} else {
881	aio_unlink $filename;	1241	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
883	}	1243	}
884	}	1244	};
885	}	1245	}
886		1246
887	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
889		1249
…		…
901	or return;	1261	or return;
902		1262
903	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
905	or return;	1265	or return;
		1266
906	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
907	}	1269	}
908		1270
		1271	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
911	return ($data, $av);	1276	($data, $av)
912	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
913		1284
914	#############################################################################	1285	#############################################################################
915	# command handling &c	1286	# command handling &c
916		1287
917	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1302	}
932		1303
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1305
935	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
936		1311
937	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
938	called.	1313	called.
939		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
940	=cut	1326	=cut
941		1327
942	sub register_extcmd {	1328	sub register_extcmd {
943	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
944		1330
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1331	$EXTCMD{$name} = $cb;
949	}	1332	}
		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
950		1341
951	cf::player->attach (	1342	cf::player->attach (
952	on_command => sub {	1343	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
954		1345
955	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
956	or return;	1347	or return;
957		1348
…		…
962	cf::override;	1353	cf::override;
963	},	1354	},
964	on_extcmd => sub {	1355	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
966		1357
967	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1359
969	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
975	} else {	1375	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1377	}
978		1378
979	cf::override;	1379	cf::override;
980	},	1380	},
981	);	1381	);
982		1382
983	sub register {	1383	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1384	sub cache_extensions {
990	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
991		1386
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1389	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	}	1390	}
1042	}	1391	};
1043		1392
1044	# remove extcmds	1393	$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	}	1394	}
1058		1395
1059	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
1060	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1403	next unless -r $path;
1062	eval {	1404
1063	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
1064	1	1468	}
1065	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
1066	}	1479	};
1067	}	1480	}
1068		1481
1069	#############################################################################	1482	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1483
1072	*cf::mapsupport::on_clean = sub {	1484	=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		1485
1085	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1086		1487
1087	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1088		1489
1089	=cut	1490	=cut
1090		1491
1091	package cf::player;	1492	package cf::player;
1092		1493
…		…
1094		1495
1095	=head3 cf::player	1496	=head3 cf::player
1096		1497
1097	=over 4	1498	=over 4
1098		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
		1513
1099	=item cf::player::find $login	1514	=item cf::player::find $login
1100		1515
1101	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1102		1517
1103	=cut	1518	=cut
1104		1519
1105	sub playerdir($) {	1520	sub playerdir($) {
1106	cf::localdir	1521	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1522	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1523	}
1112		1524
1113	sub path($) {	1525	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1526	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1527
1116	(playerdir $login) . "/$login.pl"	1528	(playerdir $login) . "/playerdata"
1117	}	1529	}
1118		1530
1119	sub find_active($) {	1531	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1532	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1533	and $cf::PLAYER{$_[0]}->active
…		…
1124		1536
1125	sub exists($) {	1537	sub exists($) {
1126	my ($login) = @_;	1538	my ($login) = @_;
1127		1539
1128	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1541	or !aio_stat path $login
1130	}	1542	}
1131		1543
1132	sub find($) {	1544	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1546	my $login = $_[0];
1135		1547
1136	my $guard = cf::lock_acquire "user_find:$login";	1548	my $guard = cf::lock_acquire "user_find:$login";
1137		1549
1138	$cf::PLAYER{$_[0]} || do {	1550	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1551	# rename old playerfiles to new ones
		1552	#TODO: remove when no longer required
		1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1556	aio_unlink +(playerdir $login) . "/$login.pl";
		1557
		1558	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1142	}	1567	}
1143	}	1568	}
1144	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1145		1583
1146	sub save($) {	1584	sub save($) {
1147	my ($pl) = @_;	1585	my ($pl) = @_;
1148		1586
1149	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1155		1593
1156	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1158		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1159	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1160	Coro::cede;	1603	cf::cede_to_tick;
1161	}	1604	}
1162		1605
1163	sub new($) {	1606	sub new($) {
1164	my ($login) = @_;	1607	my ($login) = @_;
1165		1608
…		…
1171	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1172		1615
1173	$self	1616	$self
1174	}	1617	}
1175		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1176	=item $pl->quit_character	1629	=item $pl->quit_character
1177		1630
1178	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1180		1633
1181	=cut	1634	=cut
1182		1635
1183	sub quit_character {	1636	sub quit_character {
1184	my ($pl) = @_;	1637	my ($pl) = @_;
1185		1638
		1639	my $name = $pl->ob->name;
		1640
1186	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1643
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1193		1649
1194	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1652	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1653	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1654	$pl->destroy;
		1655
		1656	my $prefix = qr<^~\Q$name\E/>;
		1657
		1658	# nuke player maps
		1659	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1660
1199	IO::AIO::aio_rmtree $temp;	1661	IO::AIO::aio_rmtree $temp;
		1662	}
		1663
		1664	=item $pl->kick
		1665
		1666	Kicks a player out of the game. This destroys the connection.
		1667
		1668	=cut
		1669
		1670	sub kick {
		1671	my ($pl, $kicker) = @_;
		1672
		1673	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1674	$pl->killer ("kicked");
		1675	$pl->ns->destroy;
1200	}	1676	}
1201		1677
1202	=item cf::player::list_logins	1678	=item cf::player::list_logins
1203		1679
1204	Returns am arrayref of all valid playernames in the system, can take a	1680	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1681	while and may block, so not sync_job-capable, ever.
1206		1682
1207	=cut	1683	=cut
1208		1684
1209	sub list_logins {	1685	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1686	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1687	or return [];
1212		1688
1213	my @logins;	1689	my @logins;
1214		1690
1215	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1219		1701
1220	utf8::decode $login;	1702	utf8::decode $login;
1221	push @logins, $login;	1703	push @logins, $login;
1222	}	1704	}
1223		1705
1224	\@logins	1706	\@logins
1225	}	1707	}
1226		1708
1227	=item $player->maps	1709	=item $player->maps
1228		1710
		1711	=item cf::player::maps $login
		1712
1229	Returns an arrayref of cf::path's of all maps that are private for this	1713	Returns an arrayref of map paths that are private for this
1230	player. May block.	1714	player. May block.
1231		1715
1232	=cut	1716	=cut
1233		1717
1234	sub maps($) {	1718	sub maps($) {
1235	my ($pl) = @_;	1719	my ($pl) = @_;
		1720
		1721	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1722
1237	my $files = aio_readdir playerdir $pl	1723	my $files = aio_readdir playerdir $pl
1238	or return;	1724	or return;
1239		1725
1240	my @paths;	1726	my @paths;
1241		1727
1242	for (@$files) {	1728	for (@$files) {
1243	utf8::decode $_;	1729	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1730	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1731	next unless /^$PATH_SEP/o;
1246		1732
1247	s/$PATH_SEP/\//g;	1733	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1734	}
1250		1735
1251	\@paths	1736	\@paths
1252	}	1737	}
1253		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1255		1744
1256	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1257		1746
1258	=cut	1747	=cut
1259		1748
1260	sub ext_reply($$$%) {	1749	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1262		1751
1263	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1753	}
1267		1754
1268	package cf;	1755	=item $player->ext_msg ($type, @msg)
		1756
		1757	Sends an ext event to the client.
		1758
		1759	=cut
		1760
		1761	sub ext_msg($$@) {
		1762	my ($self, $type, @msg) = @_;
		1763
		1764	$self->ns->ext_msg ($type, @msg);
		1765	}
		1766
		1767	=head3 cf::region
		1768
		1769	=over 4
		1770
		1771	=cut
		1772
		1773	package cf::region;
		1774
		1775	=item cf::region::find_by_path $path
		1776
		1777	Tries to decuce the likely region for a map knowing only its path.
		1778
		1779	=cut
		1780
		1781	sub find_by_path($) {
		1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
		1786	my ($match, $specificity);
		1787
		1788	for my $region (list) {
		1789	if ($region->{match} && $path =~ $region->{match}) {
		1790	($match, $specificity) = ($region, $region->specificity)
		1791	if $region->specificity > $specificity;
		1792	}
		1793	}
		1794
		1795	$match
		1796	}
1269		1797
1270	=back	1798	=back
1271
1272		1799
1273	=head3 cf::map	1800	=head3 cf::map
1274		1801
1275	=over 4	1802	=over 4
1276		1803
…		…
1279	package cf::map;	1806	package cf::map;
1280		1807
1281	use Fcntl;	1808	use Fcntl;
1282	use Coro::AIO;	1809	use Coro::AIO;
1283		1810
		1811	use overload
		1812	'""' => \&as_string,
		1813	fallback => 1;
		1814
1284	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1286		1817
1287	sub generate_random_map {	1818	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1822
1290	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1824	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1832	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1833	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1834	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1835	(cf::region::find $rmp->{region}), $rmp->{custom}
		1836	)
1304	}	1837	}
1305		1838
1306	# and all this just because we cannot iterate over	1839	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1840
1311	$_->change_map_light ($change)	1841	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1842	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1843	default).
1314		1844
1315	sub try_load_header($) {	1845	=cut
		1846
		1847	sub register {
		1848	my (undef, $regex, $prio) = @_;
		1849	my $pkg = caller;
		1850
		1851	no strict;
		1852	push @{"$pkg\::ISA"}, __PACKAGE__;
		1853
		1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1855	}
		1856
		1857	# also paths starting with '/'
		1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1859
		1860	sub thawer_merge {
		1861	my ($self, $merge) = @_;
		1862
		1863	# we have to keep some variables in memory intact
		1864	local $self->{path};
		1865	local $self->{load_path};
		1866
		1867	$self->SUPER::thawer_merge ($merge);
		1868	}
		1869
		1870	sub normalise {
1316	my ($path) = @_;	1871	my ($path, $base) = @_;
		1872
		1873	$path = "$path"; # make sure its a string
		1874
		1875	$path =~ s/\.map$//;
		1876
		1877	# map plan:
		1878	#
		1879	# /! non-realised random map exit (special hack!)
		1880	# {... are special paths that are not being touched
		1881	# ?xxx/... are special absolute paths
		1882	# ?random/... random maps
		1883	# /... normal maps
		1884	# ~user/... per-player map of a specific user
		1885
		1886	$path =~ s/$PATH_SEP/\//go;
		1887
		1888	# treat it as relative path if it starts with
		1889	# something that looks reasonable
		1890	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1891	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1892
		1893	$base =~ s{[^/]+/?$}{};
		1894	$path = "$base/$path";
		1895	}
		1896
		1897	for ($path) {
		1898	redo if s{//}{/};
		1899	redo if s{/\.?/}{/};
		1900	redo if s{/[^/]+/\.\./}{/};
		1901	}
		1902
		1903	$path
		1904	}
		1905
		1906	sub new_from_path {
		1907	my (undef, $path, $base) = @_;
		1908
		1909	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1910
		1911	$path = normalise $path, $base;
		1912
		1913	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1914	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1915	my $self = bless cf::map::new, $pkg;
		1916	$self->{path} = $path; $self->path ($path);
		1917	$self->init; # pass $1 etc.
		1918	return $self;
		1919	}
		1920	}
		1921
		1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1923	()
		1924	}
		1925
		1926	sub init {
		1927	my ($self) = @_;
		1928
		1929	$self
		1930	}
		1931
		1932	sub as_string {
		1933	my ($self) = @_;
		1934
		1935	"$self->{path}"
		1936	}
		1937
		1938	# the displayed name, this is a one way mapping
		1939	sub visible_name {
		1940	&as_string
		1941	}
		1942
		1943	# the original (read-only) location
		1944	sub load_path {
		1945	my ($self) = @_;
		1946
		1947	"$MAPDIR/$self->{path}.map"
		1948	}
		1949
		1950	# the temporary/swap location
		1951	sub save_path {
		1952	my ($self) = @_;
		1953
		1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1955	"$TMPDIR/$path.map"
		1956	}
		1957
		1958	# the unique path, undef == no special unique path
		1959	sub uniq_path {
		1960	my ($self) = @_;
		1961
		1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1963	"$UNIQUEDIR/$path"
		1964	}
		1965
		1966	sub decay_objects {
		1967	my ($self) = @_;
		1968
		1969	return if $self->{deny_reset};
		1970
		1971	$self->do_decay_objects;
		1972	}
		1973
		1974	sub unlink_save {
		1975	my ($self) = @_;
		1976
		1977	utf8::encode (my $save = $self->save_path);
		1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1980	}
		1981
		1982	sub load_header_from($) {
		1983	my ($self, $path) = @_;
1317		1984
1318	utf8::encode $path;	1985	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1320	or return;	1987	or return;
1321		1988
1322	my $map = cf::map::new	1989	$self->_load_header ($f)
1323	or return;	1990	or return;
1324		1991
1325	# for better error messages only, will be overwritten	1992	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1993	$f->resolve_delayed_derefs;
1327		1994
1328	$map->load_header ($path)	1995	$self->{load_path} = $path;
		1996
		1997	1
		1998	}
		1999
		2000	sub load_header_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->load_header_from ($self->load_path)
		2004	}
		2005
		2006	sub load_header_temp {
		2007	my ($self) = @_;
		2008
		2009	$self->load_header_from ($self->save_path)
		2010	}
		2011
		2012	sub prepare_temp {
		2013	my ($self) = @_;
		2014
		2015	$self->last_access ((delete $self->{last_access})
		2016	|| $cf::RUNTIME); #d#
		2017	# safety
		2018	$self->{instantiate_time} = $cf::RUNTIME
		2019	if $self->{instantiate_time} > $cf::RUNTIME;
		2020	}
		2021
		2022	sub prepare_orig {
		2023	my ($self) = @_;
		2024
		2025	$self->{load_original} = 1;
		2026	$self->{instantiate_time} = $cf::RUNTIME;
		2027	$self->last_access ($cf::RUNTIME);
		2028	$self->instantiate;
		2029	}
		2030
		2031	sub load_header {
		2032	my ($self) = @_;
		2033
		2034	if ($self->load_header_temp) {
		2035	$self->prepare_temp;
		2036	} else {
		2037	$self->load_header_orig
1329	or return;	2038	or return;
		2039	$self->prepare_orig;
		2040	}
1330		2041
1331	$map->{load_path} = $path;	2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
1332		2044
1333	$map	2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
		2048	1
1334	}	2049	}
1335		2050
1336	sub find;	2051	sub find;
1337	sub find {	2052	sub find {
1338	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1339		2054
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2056
1345	cf::lock_wait "map_find:$key";	2057	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";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2059
1350	# do it the slow way	2060	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2061	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;	2062	or return;
1369		2063
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;	2064	$map->{last_save} = $cf::RUNTIME;
1382		2065
1383	Coro::cede;	2066	$map->load_header
		2067	or return;
1384		2068
1385	if ($map->should_reset) {	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2070	# doing this can freeze the server in a sync job, obviously
		2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1386	$map->reset;	2074	$map->reset;
1387	undef $guard;
1388	$map = find $path	2075	return find $path;
1389	or return;
1390	}	2076	}
1391		2077
1392	$cf::MAP{$key} = $map	2078	$cf::MAP{$path} = $map
1393	}	2079	}
1394	}	2080	}
		2081
		2082	sub pre_load { }
		2083	#sub post_load { } # XS
1395		2084
1396	sub load {	2085	sub load {
1397	my ($self) = @_;	2086	my ($self) = @_;
1398		2087
		2088	local $self->{deny_reset} = 1; # loading can take a long time
		2089
1399	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2093	my $guard = cf::lock_acquire "map_data:$path";
1401		2094
		2095	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2097
1404	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1405		2099
1406	$self->alloc;	2100	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2101
		2102	$self->pre_load;
		2103	cf::cede_to_tick;
		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1408	or return;	2108	or return;
1409		2109
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1411	if delete $self->{load_original};	2111	if delete $self->{load_original};
1412		2112
1413	if (my $uniq = $path->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2114	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2117	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1418	}	2121	}
1419	}	2122	}
1420		2123
1421	Coro::cede;	2124	$f->resolve_delayed_derefs;
1422		2125
		2126	cf::cede_to_tick;
1423	# now do the right thing for maps	2127	# now do the right thing for maps
1424	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1425
1426	if ($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)	2129	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2130	unless $self->difficulty;
		2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1436	$self->activate;	2138	$self->activate;
1437	}	2139	}
1438		2140
1439	Coro::cede;	2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
1440		2143
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
		2145	}
		2146
		2147	$self->post_load;
		2148	}
		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
		2153	sub customise_for {
		2154	my ($self, $ob) = @_;
		2155
		2156	return find "~" . $ob->name . "/" . $self->{path}
		2157	if $self->per_player;
		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
		2162	$self
1442	}	2163	}
1443		2164
1444	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2166	sub load_neighbours {
1446	my ($map) = @_;	2167	my ($map) = @_;
1447		2168
1448	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1449		2170
1450	for (0 .. 3) {	2171	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1452	or next;	2173	or next;
1453	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1454	or next;	2175	or next;
1455	$neigh->load;	2176	$neigh->load;
1456		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2182	}
1460		2183
1461	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1463	or next;	2187	or next;
1464	$neigh->load;	2188	$neigh->load;
1465	}	2189	}
1466	}	2190	}
1467		2191
…		…
1472	}	2196	}
1473		2197
1474	sub do_load_sync {	2198	sub do_load_sync {
1475	my ($map) = @_;	2199	my ($map) = @_;
1476		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1477	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1478	}	2205	}
1479		2206
1480	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
		2208	our $MAP_PREFETCHER = undef;
		2209
		2210	sub find_async {
		2211	my ($path, $origin, $load) = @_;
		2212
		2213	$path = normalise $path, $origin && $origin->{path};
		2214
		2215	if (my $map = $cf::MAP{$path}) {
		2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2217	}
		2218
		2219	$MAP_PREFETCH{$path} |= $load;
		2220
1481	our $MAP_PREFETCHER = Coro::async {	2221	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2222	$Coro::current->{desc} = "map prefetcher";
		2223
1483	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2226	if (my $map = find $k) {
		2227	$map->load if $v;
		2228	}
		2229
1486	my $path = delete $MAP_PREFETCH{$key};	2230	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2231	}
1492	Coro::schedule;	2232	}
		2233	undef $MAP_PREFETCHER;
1493	}	2234	};
1494	};
1495
1496	sub find_async {
1497	my ($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;	2235	$MAP_PREFETCHER->prio (6);
1508		2236
1509	()	2237	()
		2238	}
		2239
		2240	# common code, used by both ->save and ->swapout
		2241	sub _save {
		2242	my ($self) = @_;
		2243
		2244	$self->{last_save} = $cf::RUNTIME;
		2245
		2246	return unless $self->dirty;
		2247
		2248	my $save = $self->save_path; utf8::encode $save;
		2249	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2250
		2251	$self->{load_path} = $save;
		2252
		2253	return if $self->{deny_save};
		2254
		2255	local $self->{last_access} = $self->last_access;#d#
		2256
		2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
		2259	$_->contr->save for $self->players;
		2260	};
		2261
		2262	cf::get_slot 0.02;
		2263
		2264	if ($uniq) {
		2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2267	} else {
		2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2269	}
1510	}	2270	}
1511		2271
1512	sub save {	2272	sub save {
1513	my ($self) = @_;	2273	my ($self) = @_;
1514		2274
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2276
1517	$self->{last_save} = $cf::RUNTIME;	2277	$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	}	2278	}
1541		2279
1542	sub swap_out {	2280	sub swap_out {
1543	my ($self) = @_;	2281	my ($self) = @_;
1544		2282
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1550	return if $self->players;	2287	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1554	$self->clear;	2298	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2299	}
1557		2300
1558	sub reset_at {	2301	sub reset_at {
1559	my ($self) = @_;	2302	my ($self) = @_;
1560		2303
1561	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1564		2306
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2309
…		…
1572	my ($self) = @_;	2314	my ($self) = @_;
1573		2315
1574	$self->reset_at <= $cf::RUNTIME	2316	$self->reset_at <= $cf::RUNTIME
1575	}	2317	}
1576		2318
1577	sub unlink_save {
1578	my ($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	$self->save;
1596	}
1597
1598	sub reset {	2319	sub reset {
1599	my ($self) = @_;	2320	my ($self) = @_;
1600		2321
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2323
1603	return if $self->players;	2324	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2325
1606	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
		2327
		2328	$self->in_memory (cf::MAP_SWAPPED);
		2329
		2330	# need to save uniques path
		2331	unless ($self->{deny_save}) {
		2332	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2333
		2334	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2335	if $uniq;
		2336	}
1607		2337
1608	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1609		2339
		2340	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2341	$_->clear_links_to ($self) for values %cf::MAP;
		2342	$self->clear;
1611		2343
1612	$self->unlink_save;	2344	$self->unlink_save;
1613	$self->destroy;	2345	$self->destroy;
1614	}	2346	}
1615		2347
1616	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1617		2349
1618	sub nuke {	2350	sub nuke {
1619	my ($self) = @_;	2351	my ($self) = @_;
1620		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
		2356	delete $cf::MAP{$self->path};
		2357
		2358	$self->unlink_save;
		2359
		2360	bless $self, "cf::map::wrap";
		2361	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2365
		2366	$cf::MAP{$self->path} = $self;
		2367	}
		2368
1624	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
1625	}	2370	}
1626		2371
1627	sub customise_for {	2372	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2373
1630	if ($map->per_player) {	2374	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
1632	}	2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
1633		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item cf::map::unique_maps
		2409
		2410	Returns an arrayref of paths of all shared maps that have
		2411	instantiated unique items. May block.
		2412
		2413	=cut
		2414
		2415	sub unique_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
		2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
		2424	]
		2425	}
		2426
		2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
1634	$map	2456	\@maps
1635	}	2457	}
1636
1637	package cf;
1638		2458
1639	=back	2459	=back
1640		2460
1641	=head3 cf::object	2461	=head3 cf::object
1642		2462
…		…
1646		2466
1647	=over 4	2467	=over 4
1648		2468
1649	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1650		2470
1651	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1652		2473
1653	=cut	2474	=cut
1654		2475
1655	sub inv_recursive_;	2476	sub inv_recursive_;
1656	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1659		2480
1660	sub inv_recursive {	2481	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1662	}	2483	}
1663		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1664	package cf;	2513	package cf;
1665		2514
1666	=back	2515	=back
1667		2516
1668	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	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	2524	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1677		2526
1678	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1679		2542
1680	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2544	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1685		2548
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2550
1688	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1690	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1693	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1694	}	2576	}
1695		2577
1696	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1697		2579
1698	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1711		2593
1712	=item $player_object->enter_link	2594	=item $player_object->enter_link
1713		2595
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2597
1716	The player should be reaosnably safe there for short amounts of time. You	2598	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.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
		2602
		2603	Will never block.
1718		2604
1719	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1720		2606
1721	Moves the player out of the specila link map onto the given map. If the	2607	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2608	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2609	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2610	fails, to the emergency map position.
1725		2611
1726	Might block.	2612	Might block.
1727		2613
1728	=cut	2614	=cut
		2615
		2616	sub link_map {
		2617	unless ($LINK_MAP) {
		2618	$LINK_MAP = cf::map::find "{link}"
		2619	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2620	$LINK_MAP->load;
		2621	}
		2622
		2623	$LINK_MAP
		2624	}
1729		2625
1730	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2627	my ($self) = @_;
1732		2628
1733	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1734		2630
1735	return if $self->map == $LINK_MAP;	2631	++$self->{_link_recursion};
		2632
		2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2634
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1739		2637
1740	$self->enter_map ($LINK_MAP, 20, 20);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2639	}
1742		2640
1743	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1745		2645
1746	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1747		2647
1748	unless ($map) {	2648	unless ($map) {
1749	# restore original map position	2649	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1762		2662
1763	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1766		2666
1767	$map->load;	2667	$map->load;
1768	$map->load_diag;	2668	$map->load_neighbours;
1769		2669
1770	return unless $self->contr->active;	2670	return unless $self->contr->active;
		2671
		2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2673	if ($self->enter_map ($map, $x, $y)) {
		2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2677	$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	$pl->ob->leave_link
1783	};
1784	}
1785	},	2678	}
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2679
1789	# try to abort aborted map switching on player login :)	2680	}
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		2681
1807	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1809	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1810		2696
1811	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2699
1814	$path = new cf::path $path;	2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
1815	$path ne "/" or Carp::cluck ("oy");#d#	2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2708
1817	$self->enter_link;	2709	$self->enter_link;
1818		2710
1819	(async {	2711	(async {
1820	my $map = cf::map::find $path->as_string;	2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
		2733	my $map = eval {
		2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
1822		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2739	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
1827		2742
		2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
		2749	}
		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1829	})->prio (1);	2757	})->prio (1);
1830	}	2758	}
1831		2759
1832	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1833		2761
…		…
1835		2763
1836	sub parse_random_map_params {	2764	sub parse_random_map_params {
1837	my ($spec) = @_;	2765	my ($spec) = @_;
1838		2766
1839	my $rmp = { # defaults	2767	my $rmp = { # defaults
1840	xsize => 10,	2768	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2769	ysize => (cf::rndm 15, 40),
		2770	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2771	#layout => string,
1842	};	2772	};
1843		2773
1844	for (split /\n/, $spec) {	2774	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2775	my ($k, $v) = split /\s+/, $_, 2;
1846		2776
…		…
1858	# that depends on the exit object	2788	# that depends on the exit object
1859		2789
1860	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
1861		2791
1862	if ($exit->map) {	2792	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2793	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
1867	}	2799	}
1868		2800
1869	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
1870		2802
1871	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
		2805	my $meta = "$RANDOMDIR/$md5.meta";
1873		2806
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
		2809	undef $fh;
		2810	aio_rename "$meta~", $meta;
1876		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
1879	}	2818	}
1880	}	2819	}
1881		2820
1882	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
1886		2825
1887	$self->enter_link;	2826	$self->enter_link;
1888		2827
1889	(async {	2828	(async {
1890	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
1891	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
1892	prepare_random_map $exit	2838	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2839	if $exit->slaying eq "/!";
		2840	}
1894		2841
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
1897		2845
		2846	$self->goto ($map, $x, $y);
		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
1898	1;	2852	1
1899	}) {	2853	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2856	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2858
1905	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
1906	$self->leave_link;	2860	$self->leave_link;
1907	}	2861	}
1908	})->prio (1);	2862	})->prio (1);
1909	}	2863	}
1910		2864
…		…
1921		2875
1922	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
1924		2878
1925	utf8::encode $text;	2879	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2881	}
1928		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
		3070	=item $client->ext_msg ($type, @msg)
		3071
		3072	Sends an ext event to the client.
		3073
		3074	=cut
		3075
		3076	sub cf::client::ext_msg($$@) {
		3077	my ($self, $type, @msg) = @_;
		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
		3082	push @msg, msgtype => "event_$type";
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
1929		3104
1930	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
1931		3106
1932	Queues a query to the client, calling the given callback with	3107	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>,	3108	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>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		3110
1936	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	3112	become reliable at some point in the future.
1938		3113
1939	=cut	3114	=cut
1940		3115
1941	sub cf::client::query {	3116	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	3125	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		3127
1953	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
1955	}	3132	}
1956		3133
1957	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
1958	on_reply => sub {	3140	on_reply => sub {
1959	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
1960		3142
1961	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
1962	# get handled first	3144	# get handled first
1963	my $queue = delete $ns->{query_queue}	3145	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	3146	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		3147
1966	(shift @$queue)->[1]->($msg);	3148	(shift @$queue)->[1]->($msg);
		3149	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		3150
1968	push @{ $ns->{query_queue} }, @$queue;	3151	push @{ $ns->{query_queue} }, @$queue;
1969		3152
1970	if (@{ $ns->{query_queue} } == @$queue) {	3153	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3154	if (@$queue) {
…		…
1973	} else {	3156	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3158	}
1976	}	3159	}
1977	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
1978	);	3187	);
1979		3188
1980	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
1981		3190
1982	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
1998		3207
1999	$coro	3208	$coro
2000	}	3209	}
2001		3210
2002	cf::client->attach (	3211	cf::client->attach (
2003	on_destroy => sub {	3212	on_client_destroy => sub {
2004	my ($ns) = @_;	3213	my ($ns) = @_;
2005		3214
2006	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2007	},	3216	},
2008	);	3217	);
…		…
2023	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2025		3234
2026	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2027		3236
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2029		3242
2030	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2031		3244
2032	=pod	3245	=pod
2033		3246
2034	The following fucntions and emthods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2035		3248
2036	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2037	cf::object::player player	3254	cf::object::player
2038	cf::player peaceful	3255	player
2039	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2040		3262
2041	=cut	3263	=cut
2042		3264
2043	for (	3265	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2045	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2047	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2048	) {	3272	) {
2049	no strict 'refs';	3273	no strict 'refs';
2050	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2051	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2069		3293
2070	my $qcode = $code;	3294	my $qcode = $code;
2071	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2072	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2073		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2074	local $_;	3301	local $_;
2075	local @safe::cf::_safe_eval_args = values %vars;
2076		3302
2077	my $eval =	3303	my $eval =
2078	"do {\n"	3304	"do {\n"
2079	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2080	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2081	. $code	3307	. $code
2082	. "\n}"	3308	. "\n}"
2083	;	3309	;
2084		3310
		3311	if ($CFG{safe_eval}) {
2085	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2086	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2087	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2088		3320
2089	if ($@) {	3321	if ($@) {
2090	warn "$@";	3322	warn "$@",
2091	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2092	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2093	}	3325	}
2094		3326
2095	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2096	}	3328	}
2097		3329
…		…
2111	=cut	3343	=cut
2112		3344
2113	sub register_script_function {	3345	sub register_script_function {
2114	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2115		3347
2116	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2117	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2118	}	3350	}
2119		3351
2120	=back	3352	=back
2121		3353
2122	=cut	3354	=cut
2123		3355
2124	#############################################################################	3356	#############################################################################
		3357	# the server's init and main functions
2125		3358
2126	=head2 EXTENSION DATABASE SUPPORT	3359	sub load_facedata($) {
		3360	my ($path) = @_;
2127		3361
2128	Crossfire maintains a very simple database for extension use. It can	3362	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3363	# for this (global event?)
2130	excludes objects.	3364	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3365
2132	The parameter C<$family> should best start with the name of the extension	3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3367
2135	=over 4	3368	trace "loading facedata from $path\n";
2136		3369
2137	=item $hashref = cf::db_get $family	3370	my $facedata;
		3371	0 < aio_load $path, $facedata
		3372	or die "$path: $!";
2138		3373
2139	Return a hashref for use by the extension C<$family>, which can be	3374	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3375
2143	=item $value = cf::db_get $family => $key	3376	$facedata->{version} == 2
		3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3378
2145	Returns a single value from the database	3379	# patch in the exptable
2146		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2147	=item cf::db_put $family => $hashref	3381	$facedata->{resource}{"res/exp_table"} = {
2148		3382	type => FT_RSRC,
2149	Stores the given family hashref into the database. Updates are delayed, if	3383	data => $exp_table,
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3384	hash => (Digest::MD5::md5 $exp_table),
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	}
2175
2176	my $pid;
2177
2178	sub db_save() {
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
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	3385	};
		3386	cf::cede_to_tick;
2198		3387
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3388	{
		3389	my $faces = $facedata->{faceinfo};
2203		3390
2204	sub db_get($;$) {	3391	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3393
2210	sub db_put($$;$) {	3394	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2213	} else {	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3398
2219	cf::global->attach (	3399	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3400	}
2224	);
2225	}
2226		3401
2227	#############################################################################	3402	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3403	next unless $info->{smooth};
2229		3404
2230	sub cfg_load {	3405	my $idx = cf::face::find $face
		3406	or next;
		3407
		3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
		3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3411	} else {
		3412	error "smooth face '$info->{smooth}' not found for face '$face'";
		3413	}
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417	}
		3418
		3419	{
		3420	my $anims = $facedata->{animinfo};
		3421
		3422	while (my ($anim, $info) = each %$anims) {
		3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3424	cf::cede_to_tick;
		3425	}
		3426
		3427	cf::anim::invalidate_all; # d'oh
		3428	}
		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
		3449	1
		3450	}
		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
		3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
		3475	load_resource_file "$MAPDIR/regions"
		3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
		3482	}
		3483
		3484	sub reload_facedata {
		3485	load_facedata "$DATADIR/facedata"
		3486	or die "unable to load facedata\n";
		3487	}
		3488
		3489	sub reload_archetypes {
		3490	load_resource_file "$DATADIR/archetypes"
		3491	or die "unable to load archetypes\n";
		3492	}
		3493
		3494	sub reload_treasures {
		3495	load_resource_file "$DATADIR/treasures"
		3496	or die "unable to load treasurelists\n";
		3497	}
		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
		3522	sub reload_resources {
		3523	trace "reloading resource files...\n";
		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
		3528	reload_regions;
		3529	reload_treasures;
		3530
		3531	trace "finished reloading resource files\n";
		3532	}
		3533
		3534	sub reload_config {
		3535	trace "reloading config file...\n";
		3536
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3538	or return;
2233		3539
2234	local $/;	3540	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2236		3542
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2238		3544
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$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};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2241		3547
2242	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2244	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2245	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2246	};	3552	};
2247	warn $@ if $@;	3553	warn $@ if $@;
2248	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2249	}	3585	}
2250		3586
2251	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2252	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3600	(async {
		3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
		3603	})->prio (Coro::PRIO_MAX);
2256	};	3604	};
2257		3605
2258	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
		3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2260	load_extensions;	3629	load_extensions;
2261	Event::loop;	3630
		3631	utime time, time, $RUNTIMEFILE;
		3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2262	}	3644	}
2263		3645
2264	#############################################################################	3646	#############################################################################
2265	# initialisation and cleanup	3647	# initialisation and cleanup
2266		3648
2267	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2268	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2275	},
2276	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2277	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2278	}	3745	}
2279		3746
2280	sub emergency_save() {	3747	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2282		3749
2283	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2284		3751
2285	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2286	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3766	$pl->save;
2294	}	3767	}
2295	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2296		3769
2297	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3773	$map->valid or next;
2301	$map->save;	3774	$map->save;
2302	}	3775	}
2303	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
		3777
		3778	info "emergency_perl_save: begin database checkpoint\n";
		3779	BDB::db_env_txn_checkpoint $DB_ENV;
		3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2304	};	3785	};
2305		3786
2306	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
2307	}	3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
2308		3791
		3792	info "emergency_perl_save: leave\n";
		3793	}
		3794
		3795	sub post_cleanup {
		3796	my ($make_core) = @_;
		3797
		3798	error Carp::longmess "post_cleanup backtrace"
		3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
		3828	}
		3829
2309	sub reload() {	3830	sub do_reload_perl() {
2310	# can/must only be called in main	3831	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2312	warn "can only reload from main coroutine\n";	3833	error "can only reload from main coroutine";
2313	return;	3834	return;
2314	}	3835	}
2315		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2316	warn "reloading...";	3842	info "reloading...";
2317		3843
2318	my $guard = freeze_mainloop;	3844	trace "entering sync_job";
		3845
		3846	cf::sync_job {
		3847	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3848	cf::emergency_save;
		3849	cf::write_runtime_sync; # external watchdog should not bark
2320		3850
2321	eval {	3851	trace "syncing database to disk";
		3852	BDB::db_env_txn_checkpoint $DB_ENV;
		3853
2322	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2323		3855
2324	# cancel all watchers	3856	trace "flushing outstanding aio requests";
2325	for (Event::all_watchers) {	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2327	}
2328
2329	# cancel all extension coros
2330	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();
2332
2333	# unload all extensions
2334	for (@exts) {
2335	warn "unloading <$_>";
2336	unload_extension $_;
2337	}
2338
2339	# unload all modules loaded from $LIBDIR
2340	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342
2343	warn "removing <$k>";
2344	delete $INC{$k};
2345
2346	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;
2348
2349	if (my $cb = $k->can ("unload_module")) {
2350	$cb->();
2351	}	3859	}
2352		3860
2353	Symbol::delete_package $k;	3861	trace "cancelling all extension coros";
		3862	$_->cancel for values %EXT_CORO;
		3863	%EXT_CORO = ();
		3864
		3865	trace "removing commands";
		3866	%COMMAND = ();
		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
		3874	trace "... unloading $pkg";
		3875
		3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
		3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2354	}	3885	}
2355		3886
2356	# sync database to disk	3887	trace "unloading all perl modules loaded from $LIBDIR";
2357	cf::db_sync;	3888	while (my ($k, $v) = each %INC) {
2358	IO::AIO::flush;	3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
		3902	}
		3903
2360	# get rid of safe::, as good as possible	3904	trace "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3907
2364	# remove register_script_function callbacks	3908	trace "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
		3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2369		3911
2370	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3913	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2373		3915
2374	# reload cf.pm	3916	info "unload completed, starting to reload now";
		3917
2375	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2376	require cf;	3919	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2378		3921
2379	# load config and database again	3922	trace "loading config and database again";
2380	cf::cfg_load;	3923	cf::reload_config;
2381	cf::db_load;
2382		3924
2383	# load extensions
2384	warn "load extensions";	3925	trace "loading extensions";
2385	cf::load_extensions;	3926	cf::load_extensions;
2386		3927
2387	# reattach attachments to objects	3928	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3929	trace "reattaching attachments to objects/players";
2389	_global_reattach;	3930	_global_reattach; # objects, sockets
		3931	trace "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
		3933	trace "reattaching attachments to players";
		3934	reattach $_ for values %PLAYER;
		3935	}
		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
		3940	trace "leaving sync_job";
		3941
		3942	1
		3943	} or do {
		3944	error $@;
		3945	cf::cleanup "error while reloading, exiting.";
		3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
		3950	}
		3951
		3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
		3954	};
		3955
		3956	our $RELOAD_WATCHER; # used only during reload
		3957
		3958	sub reload_perl() {
		3959	# doing reload synchronously and two reloads happen back-to-back,
		3960	# coro crashes during coro_state_free->destroy here.
		3961
		3962	$RELOAD_WATCHER ||= cf::async {
		3963	Coro::AIO::aio_wait cache_extensions;
		3964
		3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3966	do_reload_perl;
		3967	undef $RELOAD_WATCHER;
		3968	};
2391	};	3969	};
2392
2393	if ($@) {
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} = $LINK_MAP;
2443	}	3970	}
2444
2445	register "<global>", __PACKAGE__;
2446		3971
2447	register_command "reload" => sub {	3972	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2449		3974
2450	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
		3979	reload_perl;
		3980	};
2454	}	3981	}
2455	};	3982	};
2456		3983
2457	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2458		3985
2459	$TICK_WATCHER = Event->timer (	3986	my $bug_warning = 0;
2460	reentrant => 0,	3987
2461	prio => 0,	3988	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	3989	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	3990
2464	cb => sub {	3991	sub wait_for_tick {
		3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3993
		3994	my $signal = new Coro::Signal;
		3995	push @WAIT_FOR_TICK, $signal;
		3996	$signal->wait;
		3997	}
		3998
		3999	sub wait_for_tick_begin {
		4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4001
		4002	my $signal = new Coro::Signal;
		4003	push @WAIT_FOR_TICK_BEGIN, $signal;
		4004	$signal->wait;
		4005	}
		4006
		4007	sub tick {
		4008	if ($Coro::current != $Coro::main) {
		4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4010	unless ++$bug_warning > 10;
		4011	return;
		4012	}
		4013
2465	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		4015
2469	$WAIT_FOR_TICK->broadcast;	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2471		4017
2472	# if we are delayed by four ticks or more, skip them all	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2474		4020	Coro::async_pool {
2475	$TICK_WATCHER->at ($NEXT_TICK);	4021	$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	4022	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	4023	or error "ERROR: unable to write runtime file: $!";
2498	})->();	4024	};
2499	},	4025	}
2500	);	4026
		4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4028	$sig->send;
		4029	}
		4030	while (my $sig = shift @WAIT_FOR_TICK) {
		4031	$sig->send;
		4032	}
		4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
		4043	}
		4044	}
		4045
		4046	{
		4047	# configure BDB
		4048
		4049	BDB::min_parallel 16;
		4050	BDB::max_poll_reqs $TICK * 0.1;
		4051	$AnyEvent::BDB::WATCHER->priority (1);
		4052
		4053	unless ($DB_ENV) {
		4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4060
		4061	(Coro::async { # async to keep sync_job from complaining
		4062	cf::sync_job {
		4063	eval {
		4064	BDB::db_env_open
		4065	$DB_ENV,
		4066	$BDBDIR,
		4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4069	0666;
		4070
		4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
		4073
		4074	cf::cleanup "db_env_open(db): $@" if $@;
		4075	};
		4076	})->join;
		4077	}
		4078
		4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
		4088	}
		4089
		4090	{
		4091	# configure IO::AIO
		4092
		4093	IO::AIO::min_parallel 8;
		4094	IO::AIO::max_poll_time $TICK * 0.1;
		4095	undef $AnyEvent::AIO::WATCHER;
		4096	}
		4097
		4098	my $_log_backtrace;
		4099
		4100	sub _log_backtrace {
		4101	my ($msg, @addr) = @_;
		4102
		4103	$msg =~ s/\n//;
		4104
		4105	# limit the # of concurrent backtraces
		4106	if ($_log_backtrace < 2) {
		4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
		4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
		4112	my @bt = fork_call {
		4113	@addr = map { sprintf "%x", $_ } @addr;
		4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4116	or die "addr2line: $!";
		4117
		4118	my @funcs;
		4119	my @res = <$fh>;
		4120	chomp for @res;
		4121	while (@res) {
		4122	my ($func, $line) = splice @res, 0, 2, ();
		4123	push @funcs, "[$func] $line";
		4124	}
		4125
		4126	@funcs
		4127	};
		4128
		4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4131	LOG llevInfo, "[ABT] $_\n" for @bt;
		4132	--$_log_backtrace;
		4133	};
		4134	} else {
		4135	LOG llevInfo, "[ABT] $msg\n";
		4136	LOG llevInfo, "[ABT] [suppressed]\n";
		4137	}
		4138	}
		4139
		4140	# load additional modules
		4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
2501		4143
2502	END { cf::emergency_save }	4144	END { cf::emergency_save }
2503		4145
2504	1	4146	1
2505		4147

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