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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.487 by root, Fri Oct 16 01:56:41 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 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 ();
12		37
		38	use Guard ();
13	use Coro 3.5 ();	39	use Coro ();
		40	use Coro::State;
		41	use Coro::Handle;
		42	use Coro::EV;
14	use Coro::Event;	43	use Coro::AnyEvent;
15	use Coro::Timer;	44	use Coro::Timer;
16	use Coro::Signal;	45	use Coro::Signal;
17	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
18	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
		51	use Coro::Storable;
		52	use Coro::Util ();
19		53
		54	use JSON::XS 2.01 ();
20	use BDB ();	55	use BDB ();
21	use Data::Dumper;	56	use Data::Dumper;
22	use Digest::MD5;	57	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	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;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	115	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
61		124
62	our %CFG;	125	our %CFG;
63		126
64	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
66		130
67	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		134
76	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
79	binmode STDOUT;	148	binmode STDOUT;
80	binmode STDERR;	149	binmode STDERR;
81		150
82	# read virtual server time, if available	151	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
87	}	156	}
88		157
89	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	159
91	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		162
96	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
97		164
98	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		177
100	#############################################################################	178	#############################################################################
101		179
102	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
103		181
…		…
110	=item $cf::RUNTIME	188	=item $cf::RUNTIME
111		189
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	191	every server tick.
114		192
115	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		196
117	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
119		201
120	=item $cf::NOW	202	=item $cf::NOW
121		203
122	The time of the last (current) server tick.	204	The time of the last (current) server tick.
123		205
124	=item $cf::TICK	206	=item $cf::TICK
125		207
126	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
127		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
128	=item %cf::CFG	220	=item %cf::CFG
129		221
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	223	from wherever your confdir points to.
132		224
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		226
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
139		242
140	=back	243	=back
141		244
142	=cut	245	=cut
143		246
144	BEGIN {	247	$Coro::State::WARNHOOK = sub {
145	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	248	my $msg = join "", @_;
147	utf8::encode $msg;
148		249
149	$msg .= "\n"	250	$msg .= "\n"
150	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
151		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
152	LOG llevError, $msg;	255	LOG llevError, $msg;
153	};	256	};
154	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
155		271
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		279
163	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	281	# within the Safe compartment.
165	for my $pkg (qw(	282	for my $pkg (qw(
166	cf::global cf::attachable	283	cf::global cf::attachable
167	cf::object cf::object::player	284	cf::object cf::object::player
168	cf::client cf::player	285	cf::client cf::player
169	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
170	cf::map cf::party cf::region	288	cf::party cf::region
171	)) {	289	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	291	}
175		292
176	$Event::DIED = sub {	293	$EV::DIED = sub {
177	warn "error in event callback: @_";	294	warn "error in event callback: @_";
178	};	295	};
		296
		297	#############################################################################
179		298
180	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
181		300
182	=over 4	301	=over 4
183		302
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	322	$d
204	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
205	}	324	}
206		325
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
210		327
211	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
212		329
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
221		331
222	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
223		333
224	=cut	334	=cut
225		335
226	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
228	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
229	}	353	}
230		354
231	=item cf::lock_wait $string	355	=item cf::lock_wait $string
232		356
233	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
234		358
235	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
236		360
237	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
240	returned.	364	returned.
241		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
242	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
244		371
245	=cut	372	=item $locked = cf::lock_active $string
246		373
247	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
248		379
249	sub lock_wait($) {	380	sub lock_wait($) {
250	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	382	}
258		383
259	sub lock_acquire($) {	384	sub lock_acquire($) {
260	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
261		387
262	# wait, to be sure we are not locked	388	sub lock_active($) {
263	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	390	}
272		391
273	sub freeze_mainloop {	392	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
275		394
276	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
278	};	456	}
279	$TICK_WATCHER->stop;	457	};
280	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
281	}	471	}
282		472
283	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
284		474
285	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		480
291	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
292		482
293	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
294		484
295	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
298		489
299	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
302	fast or be very important.	493	fast or be very important.
…		…
305		496
306	sub sync_job(&) {	497	sub sync_job(&) {
307	my ($job) = @_;	498	my ($job) = @_;
308		499
309	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
310	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
312		505
313	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	507
315	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
316		509
317	my $busy = 1;	510	my $busy = 1;
318	my @res;	511	my @res;
319		512
320	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	515	@res = eval { $job->() };
322	warn $@ if $@;	516	warn $@ if $@;
323	undef $busy;	517	undef $busy;
324	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
325		519
326	while ($busy) {	520	while ($busy) {
327	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
328	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
329		531
330	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
331	} else {	533	} else {
332	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
333		535
…		…
353	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
354		556
355	$coro	557	$coro
356	}	558	}
357		559
358	sub write_runtime {	560	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		561
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
362	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
363		566
364	my $value = $cf::RUNTIME + 90 + 10;	567	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		568
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	569	sub fork_call(&@) {
369	and return;	570	my ($cb, @args) = @_;
370		571
371	# always fsync - this file is important	572	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	573	# otherwise perl prematurely frees the stuff :/
373	and return;	574	# TODO: investigate and fix (likely this will be rather laborious)
374		575
375	close $fh	576	my @res = Coro::Util::fork_eval {
376	or return;	577	reset_signals;
		578	&$cb
		579	}, @args;
377		580
378	aio_rename "$runtime~", $runtime	581	wantarray ? @res : $res[-1]
379	and return;	582	}
380		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
381	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	747	}
383		748
384	=back	749	=back
385		750
386	=cut	751	=cut
387		752
388	#############################################################################	753	#############################################################################
389		754
390	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
391		756
392	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
393	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
395		760
396	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	763	Deliantra).
399		764
400	=over 4	765	=over 4
401		766
402	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
403		768
…		…
447	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
448		813
449	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
451		816
452	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
453	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
454		819
455	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
456		821
457	=over 4	822	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
567		932
568	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		937
573	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	939	my $pkg = shift @arg;
575		940
576	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
606	}	971	}
607		972
608	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
609	} else {	974	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	976	}
612		977
613	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
614	}	979	}
615		980
…		…
617	if (ref $_[0]) {	982	if (ref $_[0]) {
618	_object_attach @_;	983	_object_attach @_;
619	} else {	984	} else {
620	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
621	}	986	}
		987	_recalc_want;
622	};	988	};
623		989
624	# all those should be optimised	990	# all those should be optimised
625	sub cf::attachable::detach {	991	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
630	reattach ($obj);	996	reattach ($obj);
631	} else {	997	} else {
632	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
633	}	999	}
		1000	_recalc_want;
634	};	1001	};
635		1002
636	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
638		1005
…		…
653	";	1020	";
654	die if $@;	1021	die if $@;
655	}	1022	}
656		1023
657	our $override;	1024	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		1026
660	sub override {	1027	sub override {
661	$override = 1;	1028	$override = 1;
662	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
663	}	1030	}
664		1031
665	sub do_invoke {	1032	sub do_invoke {
666	my $event = shift;	1033	my $event = shift;
667	my $callbacks = shift;	1034	my $callbacks = shift;
668		1035
669	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
670		1037
671	local $override;	1038	local $override;
672		1039
673	for (@$callbacks) {	1040	for (@$callbacks) {
674	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
683	}	1050	}
684		1051
685	0	1052	0
686	}	1053	}
687		1054
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1056
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1058
692	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
693		1060
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1064
698	=back	1065	=back
699		1066
700	=cut	1067	=cut
701		1068
702	#############################################################################	1069	#############################################################################
703	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
704		1113
705	sub reattach {	1114	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1116	my ($obj) = @_;
708		1117
		1118	# no longer needed after getting rid of delete_package?
709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
710		1120
711	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
712		1122
713	@$registry = ();	1123	@$registry = ();
714		1124
…		…
729	cf::attachable->attach (	1139	cf::attachable->attach (
730	prio => -1000000,	1140	prio => -1000000,
731	on_instantiate => sub {	1141	on_instantiate => sub {
732	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
733		1143
734	$data = from_json $data;	1144	$data = decode_json $data;
735		1145
736	for (@$data) {	1146	for (@$data) {
737	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
738		1148
739	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1165	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
757		1167
758	sync_job {	1168	sync_job {
759	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
762		1173
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	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;
		1179	aio_fsync $fh;
		1180	}
767	close $fh;	1181	aio_close $fh;
768		1182
769	if (@$objs) {	1183	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	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;
		1190	aio_fsync $fh;
		1191	}
775	close $fh;	1192	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
777	}	1194	}
778	} else {	1195	} else {
779	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
780	}	1197	}
781		1198
782	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1203	} else {
784	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
785	}	1205	}
786	} else {	1206	} else {
787	aio_unlink $filename;	1207	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
789	}	1209	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1210	};
797	}	1211	}
798		1212
799	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
801		1215
…		…
806		1220
807	sub object_thawer_load {	1221	sub object_thawer_load {
808	my ($filename) = @_;	1222	my ($filename) = @_;
809		1223
810	my ($data, $av);	1224	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1225
815	(aio_load $filename, $data) >= 0	1226	(aio_load $filename, $data) >= 0
816	or return;	1227	or return;
817		1228
818	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
820	or return;	1231	or return;
		1232
821	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
822	}	1235	}
823		1236
		1237	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
826	return ($data, $av);	1241	($data, $av)
827	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
828		1249
829	#############################################################################	1250	#############################################################################
830	# command handling &c	1251	# command handling &c
831		1252
832	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1267	}
847		1268
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1270
850	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
851		1276
852	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
853	called.	1278	called.
854		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
855	=cut	1291	=cut
856		1292
857	sub register_extcmd {	1293	sub register_extcmd {
858	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
859		1295
860	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
861	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
862		1306
863	cf::player->attach (	1307	cf::player->attach (
864	on_command => sub {	1308	on_command => sub {
865	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
866		1310
…		…
874	cf::override;	1318	cf::override;
875	},	1319	},
876	on_extcmd => sub {	1320	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
878		1322
879	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1324
881	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
887	} else {	1340	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1342	}
890		1343
891	cf::override;	1344	cf::override;
892	},	1345	},
893	);	1346	);
894		1347
		1348	# "readahead" all extensions
895	sub load_extension {	1349	sub cache_extensions {
896	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
897		1351
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1355	}
923	die $@;
924	}	1356	};
925		1357
926	push @EXTS, $pkg;	1358	$grp
927	}	1359	}
928		1360
929	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
930	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1366	next unless -r $path;
932	eval {	1367
933	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
934	1	1424	}
935	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
936	}	1430	};
937	}	1431	}
938		1432
939	#############################################################################	1433	#############################################################################
940		1434
		1435	=back
		1436
941	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
942		1438
943	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
944		1440
945	=cut	1441	=cut
946		1442
947	package cf::player;	1443	package cf::player;
948		1444
…		…
950		1446
951	=head3 cf::player	1447	=head3 cf::player
952		1448
953	=over 4	1449	=over 4
954		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
		1464
955	=item cf::player::find $login	1465	=item cf::player::find $login
956		1466
957	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
958		1468
959	=cut	1469	=cut
960		1470
961	sub playerdir($) {	1471	sub playerdir($) {
962	cf::localdir	1472	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1474	}
968		1475
969	sub path($) {	1476	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1478
972	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
973	}	1480	}
974		1481
975	sub find_active($) {	1482	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
980		1487
981	sub exists($) {	1488	sub exists($) {
982	my ($login) = @_;	1489	my ($login) = @_;
983		1490
984	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
986	}	1493	}
987		1494
988	sub find($) {	1495	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1497	my $login = $_[0];
991		1498
992	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
993		1500
994	$cf::PLAYER{$_[0]} || do {	1501	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
996	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
998	}	1518	}
999	}	1519	}
1000	}	1520	}
1001		1521
…		…
1010	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1011		1531
1012	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1014		1534
		1535	cf::get_slot 0.01;
		1536
1015	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1016	Coro::cede;	1538	cf::cede_to_tick;
1017	}	1539	}
1018		1540
1019	sub new($) {	1541	sub new($) {
1020	my ($login) = @_;	1542	my ($login) = @_;
1021		1543
…		…
1027	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1028		1550
1029	$self	1551	$self
1030	}	1552	}
1031		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1032	=item $pl->quit_character	1564	=item $pl->quit_character
1033		1565
1034	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1036		1568
1037	=cut	1569	=cut
1038		1570
1039	sub quit_character {	1571	sub quit_character {
1040	my ($pl) = @_;	1572	my ($pl) = @_;
1041		1573
		1574	my $name = $pl->ob->name;
		1575
1042	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1044		1578
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1049		1585
1050	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1588	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1589	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1590	$pl->destroy;
		1591
		1592	my $prefix = qr<^~\Q$name\E/>;
		1593
		1594	# nuke player maps
		1595	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1596
1055	IO::AIO::aio_rmtree $temp;	1597	IO::AIO::aio_rmtree $temp;
		1598	}
		1599
		1600	=item $pl->kick
		1601
		1602	Kicks a player out of the game. This destroys the connection.
		1603
		1604	=cut
		1605
		1606	sub kick {
		1607	my ($pl, $kicker) = @_;
		1608
		1609	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1610	$pl->killer ("kicked");
		1611	$pl->ns->destroy;
1056	}	1612	}
1057		1613
1058	=item cf::player::list_logins	1614	=item cf::player::list_logins
1059		1615
1060	Returns am arrayref of all valid playernames in the system, can take a	1616	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1062		1618
1063	=cut	1619	=cut
1064		1620
1065	sub list_logins {	1621	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1623	or return [];
1068		1624
1069	my @logins;	1625	my @logins;
1070		1626
1071	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1075		1637
1076	utf8::decode $login;	1638	utf8::decode $login;
1077	push @logins, $login;	1639	push @logins, $login;
1078	}	1640	}
1079		1641
…		…
1106	}	1668	}
1107		1669
1108	\@paths	1670	\@paths
1109	}	1671	}
1110		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1112		1678
1113	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1114		1680
1115	=cut	1681	=cut
1116		1682
1117	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1119		1685
1120	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1687	}
1124		1688
1125	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1126		1729
1127	=back	1730	=back
1128
1129		1731
1130	=head3 cf::map	1732	=head3 cf::map
1131		1733
1132	=over 4	1734	=over 4
1133		1735
…		…
1145	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1147		1749
1148	sub generate_random_map {	1750	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1150	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1756	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1188	my ($self, $merge) = @_;	1793	my ($self, $merge) = @_;
1189		1794
1190	# we have to keep some variables in memory intact	1795	# we have to keep some variables in memory intact
1191	local $self->{path};	1796	local $self->{path};
1192	local $self->{load_path};	1797	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1798
1196	$self->SUPER::thawer_merge ($merge);	1799	$self->SUPER::thawer_merge ($merge);
1197	}	1800	}
1198		1801
1199	sub normalise {	1802	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1247	return $self;	1850	return $self;
1248	}	1851	}
1249	}	1852	}
1250		1853
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1855	()
1253	}	1856	}
1254		1857
1255	sub init {	1858	sub init {
1256	my ($self) = @_;	1859	my ($self) = @_;
…		…
1271		1874
1272	# the original (read-only) location	1875	# the original (read-only) location
1273	sub load_path {	1876	sub load_path {
1274	my ($self) = @_;	1877	my ($self) = @_;
1275		1878
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1879	"$MAPDIR/$self->{path}.map"
1277	}	1880	}
1278		1881
1279	# the temporary/swap location	1882	# the temporary/swap location
1280	sub save_path {	1883	sub save_path {
1281	my ($self) = @_;	1884	my ($self) = @_;
1282		1885
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1887	"$TMPDIR/$path.map"
1285	}	1888	}
1286		1889
1287	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1288	sub uniq_path {	1891	sub uniq_path {
1289	my ($self) = @_;	1892	my ($self) = @_;
1290		1893
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1895	"$UNIQUEDIR/$path"
1293	}	1896	}
1294		1897
1295	# and all this just because we cannot iterate over	1898	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1899	my ($self) = @_;
1299		1900
1300	$_->change_map_light ($change)	1901	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	1902
		1903	$self->do_decay_objects;
1302	}	1904	}
1303		1905
1304	sub unlink_save {	1906	sub unlink_save {
1305	my ($self) = @_;	1907	my ($self) = @_;
1306		1908
1307	utf8::encode (my $save = $self->save_path);	1909	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1912	}
1316		1913
1317	sub load_header_from($) {	1914	sub load_header_from($) {
1318	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1319		1916
1320	utf8::encode $path;	1917	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1919	or return;
		1920
		1921	$self->_load_header ($f)
		1922	or return;
		1923
		1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
1326		1926
1327	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1328		1928
1329	1	1929	1
1330	}	1930	}
…		…
1369	$self->load_header_orig	1969	$self->load_header_orig
1370	or return;	1970	or return;
1371	$self->prepare_orig;	1971	$self->prepare_orig;
1372	}	1972	}
1373		1973
		1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
		1976
		1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
1374	1	1980	1
1375	}	1981	}
1376		1982
1377	sub find;	1983	sub find;
1378	sub find {	1984	sub find {
1379	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1380		1986
1381	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1382		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1384		1991
1385	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1388	or return;	1994	or return;
1389		1995
1390	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1391		1997
1392	$map->load_header	1998	$map->load_header
1393	or return;	1999	or return;
1394		2000
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1398	$map->reset;	2006	$map->reset;
1399	undef $guard;
1400	return find $path;	2007	return find $path;
1401	}	2008	}
1402		2009
1403	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1404	}	2011	}
…		…
1411	my ($self) = @_;	2018	my ($self) = @_;
1412		2019
1413	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1414		2021
1415	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1417		2026
		2027	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2029
1420	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1421		2031
1422	$self->alloc;	2032	$self->alloc;
1423		2033
1424	$self->pre_load;	2034	$self->pre_load;
		2035	cf::cede_to_tick;
1425		2036
1426	$self->_load_objects ($self->{load_path}, 1)	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1427	or return;	2040	or return;
1428		2041
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1430	if delete $self->{load_original};	2043	if delete $self->{load_original};
1431		2044
1432	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2046	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2049	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1437	}	2053	}
1438	}	2054	}
1439		2055
1440	Coro::cede;	2056	$f->resolve_delayed_derefs;
1441		2057
		2058	cf::cede_to_tick;
1442	# now do the right thing for maps	2059	# now do the right thing for maps
1443	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2062	unless $self->difficulty;
1453	Coro::cede;	2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1454	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_ACTIVE);
1455	}	2077	}
1456		2078
1457	$self->post_load;	2079	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2080	}
1461		2081
1462	sub customise_for {	2082	sub customise_for {
1463	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1464		2084
1465	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2086	if $self->per_player;
1467		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1468	$self	2091	$self
1469	}	2092	}
1470		2093
1471	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2095	sub load_neighbours {
1473	my ($map) = @_;	2096	my ($map) = @_;
1474		2097
1475	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1476		2099
1477	for (0 .. 3) {	2100	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1479	or next;	2102	or next;
1480	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1481	or next;	2104	or next;
1482	$neigh->load;	2105	$neigh->load;
1483		2106
		2107	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2110	}
1487		2111
1488	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1490	or next;	2115	or next;
1491	$neigh->load;	2116	$neigh->load;
1492	}	2117	}
1493	}	2118	}
1494		2119
…		…
1499	}	2124	}
1500		2125
1501	sub do_load_sync {	2126	sub do_load_sync {
1502	my ($map) = @_;	2127	my ($map) = @_;
1503		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1504	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1505	}	2133	}
1506		2134
1507	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1509		2137
1510	sub find_async {	2138	sub find_async {
1511	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1512		2140
1513	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1514		2142
1515	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2145	}
1518		2146
1519	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1520	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1521	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2154	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2155	$map->load if $v;
		2156	}
1526		2157
1527	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1528	}	2159	}
1529	}	2160	}
1530	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1531	};	2162	};
1532	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2166	}
1536		2167
1537	sub save {	2168	sub save {
1538	my ($self) = @_;	2169	my ($self) = @_;
1539		2170
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2172
1542	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1543		2174
1544	return unless $self->dirty;	2175	return unless $self->dirty;
1545		2176
…		…
1551	return if $self->{deny_save};	2182	return if $self->{deny_save};
1552		2183
1553	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1554		2185
1555	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1557	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1558		2192
1559	if ($uniq) {	2193	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2196	} else {
…		…
1568	my ($self) = @_;	2202	my ($self) = @_;
1569		2203
1570	# save first because save cedes	2204	# save first because save cedes
1571	$self->save;	2205	$self->save;
1572		2206
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2208
1575	return if $self->players;	2209	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1577	return if $self->{deny_save};	2211	return if $self->{deny_save};
1578		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2217	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2218	}
1582		2219
1583	sub reset_at {	2220	sub reset_at {
1584	my ($self) = @_;	2221	my ($self) = @_;
1585		2222
1586	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1589		2225
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2228
…		…
1603	my ($self) = @_;	2239	my ($self) = @_;
1604		2240
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2242
1607	return if $self->players;	2243	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2244
1610	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
1611		2246
1612	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1613		2248
1614	# need to save uniques path	2249	# need to save uniques path
1615	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2254	if $uniq;
1620	}	2255	}
1621		2256
1622	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1623		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2261	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2262
1628	$self->unlink_save;	2263	$self->unlink_save;
1629	$self->destroy;	2264	$self->destroy;
1630	}	2265	}
1631		2266
1632	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1633		2268
1634	sub nuke {	2269	sub nuke {
1635	my ($self) = @_;	2270	my ($self) = @_;
1636		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1637	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1638		2276
1639	$self->unlink_save;	2277	$self->unlink_save;
1640		2278
1641	bless $self, "cf::map";	2279	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2284
1647	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1648		2287
1649	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
		2289	}
		2290
		2291	=item $maps = cf::map::tmp_maps
		2292
		2293	Returns an arrayref with all map paths of currently instantiated and saved
		2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
		2299	[
		2300	map {
		2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
		2307	}
		2308
		2309	=item $maps = cf::map::random_maps
		2310
		2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
		2313
		2314	=cut
		2315
		2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
1650	}	2325	}
1651		2326
1652	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1653		2328
1654	Returns an arrayref of paths of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2330	instantiated unique items. May block.
1656		2331
1657	=cut	2332	=cut
1658		2333
1659	sub unique_maps() {	2334	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2335	[
1661	or return;	2336	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2337	utf8::decode $_;
1667	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2340	? ()
1670	push @paths, cf::map::normalise $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2343	]
1672
1673	\@paths
1674	}	2344	}
1675
1676	package cf;
1677		2345
1678	=back	2346	=back
1679		2347
1680	=head3 cf::object	2348	=head3 cf::object
1681		2349
…		…
1685		2353
1686	=over 4	2354	=over 4
1687		2355
1688	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1689		2357
1690	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
1691		2360
1692	=cut	2361	=cut
1693		2362
1694	sub inv_recursive_;	2363	sub inv_recursive_;
1695	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1698		2367
1699	sub inv_recursive {	2368	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1701	}	2370	}
1702		2371
		2372	=item $ref = $ob->ref
		2373
		2374	Creates and returns a persistent reference to an object that can be stored as a string.
		2375
		2376	=item $ob = cf::object::deref ($refstring)
		2377
		2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2379	even if the object actually exists. May block.
		2380
		2381	=cut
		2382
		2383	sub deref {
		2384	my ($ref) = @_;
		2385
		2386	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2387	my ($uuid, $name) = ($1, $2);
		2388	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2389	or return;
		2390	$pl->ob->uuid eq $uuid
		2391	or return;
		2392
		2393	$pl->ob
		2394	} else {
		2395	warn "$ref: cannot resolve object reference\n";
		2396	undef
		2397	}
		2398	}
		2399
1703	package cf;	2400	package cf;
1704		2401
1705	=back	2402	=back
1706		2403
1707	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2410	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1716		2413
1717	=cut	2414	=cut
		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
1718		2429
1719	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2431	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1724		2435
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2437
1727	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1729	} else {	2441	} else {
		2442	my $pl = $self->contr;
		2443
		2444	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2445	my $dialog = $pl->{npc_dialog};
		2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2447
		2448	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1732	}	2452	}
		2453	}
		2454
		2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2456
		2457	=cut
		2458
		2459	sub cf::object::send_msg {
		2460	my $pl = shift->contr
		2461	or return;
		2462	$pl->send_msg (@_);
1733	}	2463	}
1734		2464
1735	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1736		2466
1737	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1750		2480
1751	=item $player_object->enter_link	2481	=item $player_object->enter_link
1752		2482
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2484
1755	The player should be reasonably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
1757		2489
1758	Will never block.	2490	Will never block.
1759		2491
1760	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1761		2493
…		…
1784	$self->deactivate_recursive;	2516	$self->deactivate_recursive;
1785		2517
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2518	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2519
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2520	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2521	if $self->map && $self->map->{path} ne "{link}";
1790		2522
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2523	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2524	}
1793		2525
1794	sub cf::object::player::leave_link {	2526	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2527	my ($self, $map, $x, $y) = @_;
		2528
		2529	return unless $self->contr->active;
1796		2530
1797	my $link_pos = delete $self->{_link_pos};	2531	my $link_pos = delete $self->{_link_pos};
1798		2532
1799	unless ($map) {	2533	unless ($map) {
1800	# restore original map position	2534	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1817		2551
1818	$map->load;	2552	$map->load;
1819	$map->load_diag;	2553	$map->load_neighbours;
1820		2554
1821	return unless $self->contr->active;	2555	return unless $self->contr->active;
1822	$self->activate_recursive;
1823		2556
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
1826	}
1827		2559
1828	cf::player->attach (	2560	# only activate afterwards, to support waiting in hooks
1829	on_logout => sub {	2561	$self->activate_recursive;
1830	my ($pl) = @_;	2562	}
1831		2563
1832	# abort map switching before logout	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2565
1842	# try to abort aborted map switching on player login :)	2566	Moves the player to the given map-path and coordinates by first freezing
1843	# should happen only on crashes	2567	her, loading and preparing them map, calling the provided $check callback
1844	if ($pl->ob->{_link_pos}) {	2568	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->enter_link;	2569	the new (success) or old (failed) map position. In either case, $done will
1846	(async {	2570	be called at the end of this process.
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2571
1860	=item $player_object->goto ($path, $x, $y)	2572	Note that $check will be called with a potentially non-loaded map, so if
		2573	it needs a loaded map it has to call C<< ->load >>.
1861		2574
1862	=cut	2575	=cut
		2576
		2577	our $GOTOGEN;
1863		2578
1864	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
		2581
		2582	# do generation counting so two concurrent goto's will be executed in-order
		2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2584
1867	$self->enter_link;	2585	$self->enter_link;
1868		2586
1869	(async {	2587	(async {
		2588	$Coro::current->{desc} = "player::goto $path $x $y";
		2589
		2590	# *tag paths override both path and x|y
		2591	if ($path =~ /^\*(.*)$/) {
		2592	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2593	my $ob = $obs[rand @obs];
		2594
		2595	# see if we actually can go there
		2596	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2597	$ob = $obs[rand @obs];
		2598	} else {
		2599	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601	# else put us there anyways for now #d#
		2602
		2603	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2604	} else {
		2605	($path, $x, $y) = (undef, undef, undef);
		2606	}
		2607	}
		2608
1870	my $map = eval {	2609	my $map = eval {
1871	my $map = cf::map::find $path;	2610	my $map = defined $path ? cf::map::find $path : undef;
		2611
		2612	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2613	$map = $map->customise_for ($self);
		2614	$map = $check->($map) if $check && $map;
		2615	} else {
		2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618
1873	$map	2619	$map
		2620	};
		2621
		2622	if ($@) {
		2623	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2625	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2626
		2627	if ($gen == $self->{_goto_generation}) {
		2628	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
		2630	}
		2631
		2632	$done->() if $done;
1878	})->prio (1);	2633	})->prio (1);
1879	}	2634	}
1880		2635
1881	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
1882		2637
…		…
1902	}	2657	}
1903		2658
1904	sub prepare_random_map {	2659	sub prepare_random_map {
1905	my ($exit) = @_;	2660	my ($exit) = @_;
1906		2661
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2664	# that depends on the exit object
1912		2665
1913	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2668	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
1920	}	2675	}
1921		2676
1922	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
1923		2678
1924	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
1927		2682
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2685	undef $fh;
1931	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
1932		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
1935	}	2694	}
1936	}	2695	}
1937		2696
1938	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
1940		2699
1941	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
1942		2701
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2702	$self->enter_link;
1953		2703
1954	(async {	2704	(async {
1955	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
1956	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
		2714	prepare_random_map $exit
		2715	if $exit->slaying eq "/!";
		2716	}
		2717
		2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
		2721
1957	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
1958		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
1959	1;	2728	1
1960	}) {	2729	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2734
1966	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2736	$self->leave_link;
1968	}	2737	}
1969	})->prio (1);	2738	})->prio (1);
…		…
1982		2751
1983	sub cf::client::send_drawinfo {	2752	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2753	my ($self, $text, $flags) = @_;
1985		2754
1986	utf8::encode $text;	2755	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2756	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2757	}
1989		2758
		2759	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2760
		2761	Send a drawinfo or msg packet to the client, formatting the msg for the
		2762	client if neccessary. C<$type> should be a string identifying the type of
		2763	the message, with C<log> being the default. If C<$color> is negative, suppress
		2764	the message unless the client supports the msg packet.
		2765
		2766	=cut
		2767
		2768	# non-persistent channels (usually the info channel)
		2769	our %CHANNEL = (
		2770	"c/motd" => {
		2771	id => "infobox",
		2772	title => "MOTD",
		2773	reply => undef,
		2774	tooltip => "The message of the day",
		2775	},
		2776	"c/identify" => {
		2777	id => "infobox",
		2778	title => "Identify",
		2779	reply => undef,
		2780	tooltip => "Items recently identified",
		2781	},
		2782	"c/examine" => {
		2783	id => "infobox",
		2784	title => "Examine",
		2785	reply => undef,
		2786	tooltip => "Signs and other items you examined",
		2787	},
		2788	"c/shopinfo" => {
		2789	id => "infobox",
		2790	title => "Shop Info",
		2791	reply => undef,
		2792	tooltip => "What your bargaining skill tells you about the shop",
		2793	},
		2794	"c/book" => {
		2795	id => "infobox",
		2796	title => "Book",
		2797	reply => undef,
		2798	tooltip => "The contents of a note or book",
		2799	},
		2800	"c/lookat" => {
		2801	id => "infobox",
		2802	title => "Look",
		2803	reply => undef,
		2804	tooltip => "What you saw there",
		2805	},
		2806	"c/who" => {
		2807	id => "infobox",
		2808	title => "Players",
		2809	reply => undef,
		2810	tooltip => "Shows players who are currently online",
		2811	},
		2812	"c/body" => {
		2813	id => "infobox",
		2814	title => "Body Parts",
		2815	reply => undef,
		2816	tooltip => "Shows which body parts you posess and are available",
		2817	},
		2818	"c/statistics" => {
		2819	id => "infobox",
		2820	title => "Statistics",
		2821	reply => undef,
		2822	tooltip => "Shows your primary statistics",
		2823	},
		2824	"c/skills" => {
		2825	id => "infobox",
		2826	title => "Skills",
		2827	reply => undef,
		2828	tooltip => "Shows your experience per skill and item power",
		2829	},
		2830	"c/shopitems" => {
		2831	id => "infobox",
		2832	title => "Shop Items",
		2833	reply => undef,
		2834	tooltip => "Shows the items currently for sale in this shop",
		2835	},
		2836	"c/resistances" => {
		2837	id => "infobox",
		2838	title => "Resistances",
		2839	reply => undef,
		2840	tooltip => "Shows your resistances",
		2841	},
		2842	"c/pets" => {
		2843	id => "infobox",
		2844	title => "Pets",
		2845	reply => undef,
		2846	tooltip => "Shows information abotu your pets/a specific pet",
		2847	},
		2848	"c/perceiveself" => {
		2849	id => "infobox",
		2850	title => "Perceive Self",
		2851	reply => undef,
		2852	tooltip => "You gained detailed knowledge about yourself",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	"c/death" => {
		2873	id => "death",
		2874	title => "Death",
		2875	reply => undef,
		2876	tooltip => "Reason for and more info about your most recent death",
		2877	},
		2878	"c/say" => $SAY_CHANNEL,
		2879	"c/chat" => $CHAT_CHANNEL,
		2880	);
		2881
		2882	sub cf::client::send_msg {
		2883	my ($self, $channel, $msg, $color, @extra) = @_;
		2884
		2885	$msg = $self->pl->expand_cfpod ($msg)
		2886	unless $color & cf::NDI_VERBATIM;
		2887
		2888	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2889
		2890	# check predefined channels, for the benefit of C
		2891	if ($CHANNEL{$channel}) {
		2892	$channel = $CHANNEL{$channel};
		2893
		2894	$self->ext_msg (channel_info => $channel);
		2895	$channel = $channel->{id};
		2896
		2897	} elsif (ref $channel) {
		2898	# send meta info to client, if not yet sent
		2899	unless (exists $self->{channel}{$channel->{id}}) {
		2900	$self->{channel}{$channel->{id}} = $channel;
		2901	$self->ext_msg (channel_info => $channel);
		2902	}
		2903
		2904	$channel = $channel->{id};
		2905	}
		2906
		2907	return unless @extra || length $msg;
		2908
		2909	# default colour, mask it out
		2910	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2911	if $color & cf::NDI_DEF;
		2912
		2913	my $pkt = "msg "
		2914	. $self->{json_coder}->encode (
		2915	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2916	);
		2917
		2918	# try lzf for large packets
		2919	$pkt = "lzf " . Compress::LZF::compress $pkt
		2920	if 1024 <= length $pkt and $self->{can_lzf};
		2921
		2922	# split very large packets
		2923	if (8192 < length $pkt and $self->{can_lzf}) {
		2924	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2925	$pkt = "frag";
		2926	}
		2927
		2928	$self->send_packet ($pkt);
		2929	}
		2930
		2931	=item $client->ext_msg ($type, @msg)
		2932
		2933	Sends an ext event to the client.
		2934
		2935	=cut
		2936
		2937	sub cf::client::ext_msg($$@) {
		2938	my ($self, $type, @msg) = @_;
		2939
		2940	if ($self->extcmd == 2) {
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2942	} elsif ($self->extcmd == 1) { # TODO: remove
		2943	push @msg, msgtype => "event_$type";
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2945	}
		2946	}
		2947
		2948	=item $client->ext_reply ($msgid, @msg)
		2949
		2950	Sends an ext reply to the client.
		2951
		2952	=cut
		2953
		2954	sub cf::client::ext_reply($$@) {
		2955	my ($self, $id, @msg) = @_;
		2956
		2957	if ($self->extcmd == 2) {
		2958	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2959	} elsif ($self->extcmd == 1) {
		2960	#TODO: version 1, remove
		2961	unshift @msg, msgtype => "reply", msgid => $id;
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2963	}
		2964	}
1990		2965
1991	=item $success = $client->query ($flags, "text", \&cb)	2966	=item $success = $client->query ($flags, "text", \&cb)
1992		2967
1993	Queues a query to the client, calling the given callback with	2968	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2969	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2970	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2971
1997	Queries can fail, so check the return code. Or don't, as queries will become	2972	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2973	become reliable at some point in the future.
1999		2974
2000	=cut	2975	=cut
2001		2976
2002	sub cf::client::query {	2977	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2978	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2986	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2987	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2988
2014	$self->send_packet ($self->{query_queue}[0][0])	2989	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2990	if @{ $self->{query_queue} } == 1;
		2991
		2992	1
2016	}	2993	}
2017		2994
2018	cf::client->attach (	2995	cf::client->attach (
		2996	on_connect => sub {
		2997	my ($ns) = @_;
		2998
		2999	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3000	},
2019	on_reply => sub {	3001	on_reply => sub {
2020	my ($ns, $msg) = @_;	3002	my ($ns, $msg) = @_;
2021		3003
2022	# this weird shuffling is so that direct followup queries	3004	# this weird shuffling is so that direct followup queries
2023	# get handled first	3005	# get handled first
…		…
2035	} else {	3017	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3019	}
2038	}	3020	}
2039	},	3021	},
		3022	on_exticmd => sub {
		3023	my ($ns, $buf) = @_;
		3024
		3025	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3026
		3027	if (ref $msg) {
		3028	my ($type, $reply, @payload) =
		3029	"ARRAY" eq ref $msg
		3030	? @$msg
		3031	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3032
		3033	my @reply;
		3034
		3035	if (my $cb = $EXTICMD{$type}) {
		3036	@reply = $cb->($ns, @payload);
		3037	}
		3038
		3039	$ns->ext_reply ($reply, @reply)
		3040	if $reply;
		3041
		3042	} else {
		3043	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3044	}
		3045
		3046	cf::override;
		3047	},
2040	);	3048	);
2041		3049
2042	=item $client->async (\&cb)	3050	=item $client->async (\&cb)
2043		3051
2044	Create a new coroutine, running the specified callback. The coroutine will	3052	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3093	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3094	our $safe_hole = new Safe::Hole;
2087		3095
2088	$SIG{FPE} = 'IGNORE';	3096	$SIG{FPE} = 'IGNORE';
2089		3097
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3098	$safe->permit_only (Opcode::opset qw(
		3099	:base_core :base_mem :base_orig :base_math
		3100	grepstart grepwhile mapstart mapwhile
		3101	sort time
		3102	));
2091		3103
2092	# here we export the classes and methods available to script code	3104	# here we export the classes and methods available to script code
2093		3105
2094	=pod	3106	=pod
2095		3107
2096	The following fucntions and emthods are available within a safe environment:	3108	The following functions and methods are available within a safe environment:
2097		3109
2098	cf::object contr pay_amount pay_player map	3110	cf::object
		3111	contr pay_amount pay_player map x y force_find force_add destroy
		3112	insert remove name archname title slaying race decrease split
		3113	value
		3114
2099	cf::object::player player	3115	cf::object::player
2100	cf::player peaceful	3116	player
2101	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2102		3123
2103	=cut	3124	=cut
2104		3125
2105	for (	3126	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2110	) {	3133	) {
2111	no strict 'refs';	3134	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3135	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2130	my ($code, %vars) = @_;	3153	my ($code, %vars) = @_;
2131		3154
2132	my $qcode = $code;	3155	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3157	$qcode =~ s/\n/\\n/g;
		3158
		3159	%vars = (_dummy => 0) unless %vars;
2135		3160
2136	local $_;	3161	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;	3162	local @safe::cf::_safe_eval_args = values %vars;
2138		3163
2139	my $eval =	3164	my $eval =
…		…
2182	=back	3207	=back
2183		3208
2184	=cut	3209	=cut
2185		3210
2186	#############################################################################	3211	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3212	# the server's init and main functions
2260		3213
		3214	sub load_facedata($) {
		3215	my ($path) = @_;
		3216
		3217	# HACK to clear player env face cache, we need some signal framework
		3218	# for this (global event?)
		3219	%ext::player_env::MUSIC_FACE_CACHE = ();
		3220
		3221	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3222
		3223	warn "loading facedata from $path\n";
		3224
		3225	my $facedata;
		3226	0 < aio_load $path, $facedata
		3227	or die "$path: $!";
		3228
		3229	$facedata = Coro::Storable::thaw $facedata;
		3230
		3231	$facedata->{version} == 2
		3232	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3233
		3234	# patch in the exptable
		3235	$facedata->{resource}{"res/exp_table"} = {
		3236	type => FT_RSRC,
		3237	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3238	};
		3239	cf::cede_to_tick;
		3240
		3241	{
		3242	my $faces = $facedata->{faceinfo};
		3243
		3244	while (my ($face, $info) = each %$faces) {
		3245	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3246
		3247	cf::face::set_visibility $idx, $info->{visibility};
		3248	cf::face::set_magicmap $idx, $info->{magicmap};
		3249	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3250	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254
		3255	while (my ($face, $info) = each %$faces) {
		3256	next unless $info->{smooth};
		3257
		3258	my $idx = cf::face::find $face
		3259	or next;
		3260
		3261	if (my $smooth = cf::face::find $info->{smooth}) {
		3262	cf::face::set_smooth $idx, $smooth;
		3263	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3264	} else {
		3265	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3266	}
		3267
		3268	cf::cede_to_tick;
		3269	}
		3270	}
		3271
		3272	{
		3273	my $anims = $facedata->{animinfo};
		3274
		3275	while (my ($anim, $info) = each %$anims) {
		3276	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3277	cf::cede_to_tick;
		3278	}
		3279
		3280	cf::anim::invalidate_all; # d'oh
		3281	}
		3282
		3283	{
		3284	# TODO: for gcfclient pleasure, we should give resources
		3285	# that gcfclient doesn't grok a >10000 face index.
		3286	my $res = $facedata->{resource};
		3287
		3288	while (my ($name, $info) = each %$res) {
		3289	if (defined $info->{type}) {
		3290	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3291	my $data;
		3292
		3293	if ($info->{type} & 1) {
		3294	# prepend meta info
		3295
		3296	my $meta = $enc->encode ({
		3297	name => $name,
		3298	%{ $info->{meta} || {} },
		3299	});
		3300
		3301	$data = pack "(w/a*)*", $meta, $info->{data};
		3302	} else {
		3303	$data = $info->{data};
		3304	}
		3305
		3306	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3307	cf::face::set_type $idx, $info->{type};
		3308	} else {
		3309	$RESOURCE{$name} = $info;
		3310	}
		3311
		3312	cf::cede_to_tick;
		3313	}
		3314	}
		3315
		3316	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3317
		3318	1
		3319	}
		3320
		3321	cf::global->attach (on_resource_update => sub {
		3322	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3323	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3324
		3325	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3326	my $sound = $soundconf->{compat}[$_]
		3327	or next;
		3328
		3329	my $face = cf::face::find "sound/$sound->[1]";
		3330	cf::sound::set $sound->[0] => $face;
		3331	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3332	}
		3333
		3334	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3335	my $face = cf::face::find "sound/$v";
		3336	cf::sound::set $k => $face;
		3337	}
		3338	}
		3339	});
		3340
		3341	register_exticmd fx_want => sub {
		3342	my ($ns, $want) = @_;
		3343
		3344	while (my ($k, $v) = each %$want) {
		3345	$ns->fx_want ($k, $v);
		3346	}
		3347	};
		3348
2261	sub load_resources {	3349	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3350	my $guard = lock_acquire "load_resource_file";
		3351
		3352	my $status = load_resource_file_ $_[0];
		3353	get_slot 0.1, 100;
		3354	cf::arch::commit_load;
		3355
		3356	$status
		3357	}
		3358
		3359	sub reload_regions {
		3360	# HACK to clear player env face cache, we need some signal framework
		3361	# for this (global event?)
		3362	%ext::player_env::MUSIC_FACE_CACHE = ();
		3363
		3364	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3365	or die "unable to load regions file\n";
2264	}
2265		3366
2266	sub cfg_load {	3367	for (cf::region::list) {
		3368	$_->{match} = qr/$_->{match}/
		3369	if exists $_->{match};
		3370	}
		3371	}
		3372
		3373	sub reload_facedata {
		3374	load_facedata "$DATADIR/facedata"
		3375	or die "unable to load facedata\n";
		3376	}
		3377
		3378	sub reload_archetypes {
		3379	load_resource_file "$DATADIR/archetypes"
		3380	or die "unable to load archetypes\n";
		3381	}
		3382
		3383	sub reload_treasures {
		3384	load_resource_file "$DATADIR/treasures"
		3385	or die "unable to load treasurelists\n";
		3386	}
		3387
		3388	sub reload_resources {
		3389	warn "reloading resource files...\n";
		3390
		3391	reload_facedata;
		3392	reload_archetypes;
		3393	reload_regions;
		3394	reload_treasures;
		3395
		3396	warn "finished reloading resource files\n";
		3397	}
		3398
		3399	sub reload_config {
		3400	warn "reloading config file...\n";
		3401
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3403	or return;
2269		3404
2270	local $/;	3405	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::XS::Load scalar <$fh>;
2272		3407
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3409
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3416	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3417	};
2283	warn $@ if $@;	3418	warn $@ if $@;
2284	}	3419	}
2285	}
2286		3420
2287	sub init {	3421	warn "finished reloading resource files\n";
2288	load_resources;	3422	}
		3423
		3424	sub pidfile() {
		3425	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3426	or die "$PIDFILE: $!";
		3427	flock $fh, &Fcntl::LOCK_EX
		3428	or die "$PIDFILE: flock: $!";
		3429	$fh
		3430	}
		3431
		3432	# make sure only one server instance is running at any one time
		3433	sub atomic {
		3434	my $fh = pidfile;
		3435
		3436	my $pid = <$fh>;
		3437	kill 9, $pid if $pid > 0;
		3438
		3439	seek $fh, 0, 0;
		3440	print $fh $$;
		3441	}
		3442
		3443	sub main_loop {
		3444	warn "EV::loop starting\n";
		3445	if (1) {
		3446	EV::loop;
		3447	}
		3448	warn "EV::loop returned\n";
		3449	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3450	}
2290		3451
2291	sub main {	3452	sub main {
		3453	cf::init_globals; # initialise logging
		3454
		3455	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3456	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3457	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3458	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3459
		3460	cf::init_experience;
		3461	cf::init_anim;
		3462	cf::init_attackmess;
		3463	cf::init_dynamic;
		3464
		3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466
2292	# we must not ever block the main coroutine	3467	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3468	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3469	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3470	(async {
2296	Event::one_event;	3471	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3472	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3473	})->prio (Coro::PRIO_MAX);
2298	};	3474	};
2299		3475
2300	cfg_load;	3476	evthread_start IO::AIO::poll_fileno;
		3477
		3478	cf::sync_job {
		3479	reload_resources;
		3480	reload_config;
2301	db_init;	3481	db_init;
		3482
		3483	cf::load_settings;
		3484	cf::load_materials;
		3485	cf::init_uuid;
		3486	cf::init_signals;
		3487	cf::init_commands;
		3488	cf::init_skills;
		3489
		3490	cf::init_beforeplay;
		3491
		3492	atomic;
		3493
2302	load_extensions;	3494	load_extensions;
2303		3495
2304	$TICK_WATCHER->start;	3496	utime time, time, $RUNTIMEFILE;
2305	Event::loop;	3497
		3498	# no (long-running) fork's whatsoever before this point(!)
		3499	use POSIX ();
		3500	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3501
		3502	(pop @POST_INIT)->(0) while @POST_INIT;
		3503	};
		3504
		3505	main_loop;
2306	}	3506	}
2307		3507
2308	#############################################################################	3508	#############################################################################
2309	# initialisation and cleanup	3509	# initialisation and cleanup
2310		3510
2311	# install some emergency cleanup handlers	3511	# install some emergency cleanup handlers
2312	BEGIN {	3512	BEGIN {
		3513	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3514	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3515	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3516	cf::cleanup "SIG$signal";
2321	},
2322	);	3517	};
		3518	}
		3519	}
		3520
		3521	sub write_runtime_sync {
		3522	# first touch the runtime file to show we are still running:
		3523	# the fsync below can take a very very long time.
		3524
		3525	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3526
		3527	my $guard = cf::lock_acquire "write_runtime";
		3528
		3529	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3530	or return;
		3531
		3532	my $value = $cf::RUNTIME + 90 + 10;
		3533	# 10 is the runtime save interval, for a monotonic clock
		3534	# 60 allows for the watchdog to kill the server.
		3535
		3536	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3537	and return;
		3538
		3539	# always fsync - this file is important
		3540	aio_fsync $fh
		3541	and return;
		3542
		3543	# touch it again to show we are up-to-date
		3544	aio_utime $fh, undef, undef;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3550	and return;
		3551
		3552	warn "runtime file written.\n";
		3553
2323	}	3554	1
		3555	}
		3556
		3557	our $uuid_lock;
		3558	our $uuid_skip;
		3559
		3560	sub write_uuid_sync($) {
		3561	$uuid_skip ||= $_[0];
		3562
		3563	return if $uuid_lock;
		3564	local $uuid_lock = 1;
		3565
		3566	my $uuid = "$LOCALDIR/uuid";
		3567
		3568	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3569	or return;
		3570
		3571	my $value = uuid_seq uuid_cur;
		3572
		3573	unless ($value) {
		3574	warn "cowardly refusing to write zero uuid value!\n";
		3575	return;
		3576	}
		3577
		3578	my $value = uuid_str $value + $uuid_skip;
		3579	$uuid_skip = 0;
		3580
		3581	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3582	and return;
		3583
		3584	# always fsync - this file is important
		3585	aio_fsync $fh
		3586	and return;
		3587
		3588	close $fh
		3589	or return;
		3590
		3591	aio_rename "$uuid~", $uuid
		3592	and return;
		3593
		3594	warn "uuid file written ($value).\n";
		3595
		3596	1
		3597
		3598	}
		3599
		3600	sub write_uuid($$) {
		3601	my ($skip, $sync) = @_;
		3602
		3603	$sync ? write_uuid_sync $skip
		3604	: async { write_uuid_sync $skip };
2324	}	3605	}
2325		3606
2326	sub emergency_save() {	3607	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3608	my $freeze_guard = cf::freeze_mainloop;
2328		3609
2329	warn "enter emergency perl save\n";	3610	warn "emergency_perl_save: enter\n";
2330		3611
2331	cf::sync_job {	3612	cf::sync_job {
		3613	# this is a trade-off: we want to be very quick here, so
		3614	# save all maps without fsync, and later call a global sync
		3615	# (which in turn might be very very slow)
		3616	local $USE_FSYNC = 0;
		3617
2332	# use a peculiar iteration method to avoid tripping on perl	3618	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3619	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3620	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3621	warn "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3622	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3623	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3624	$pl->valid or next;
		3625	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3626	$pl->save;
2340	}	3627	}
2341	warn "end emergency player save\n";	3628	warn "emergency_perl_save: end player save\n";
2342		3629
2343	warn "begin emergency map save\n";	3630	warn "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3631	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3632	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3633	$map->valid or next;
2347	$map->save;	3634	$map->save;
2348	}	3635	}
2349	warn "end emergency map save\n";	3636	warn "emergency_perl_save: end map save\n";
2350		3637
2351	warn "begin emergency database checkpoint\n";	3638	warn "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3639	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3640	warn "emergency_perl_save: end database checkpoint\n";
		3641
		3642	warn "emergency_perl_save: begin write uuid\n";
		3643	write_uuid_sync 1;
		3644	warn "emergency_perl_save: end write uuid\n";
2354	};	3645	};
2355		3646
		3647	warn "emergency_perl_save: starting sync()\n";
		3648	IO::AIO::aio_sync sub {
		3649	warn "emergency_perl_save: finished sync()\n";
		3650	};
		3651
2356	warn "leave emergency perl save\n";	3652	warn "emergency_perl_save: leave\n";
2357	}	3653	}
2358		3654
2359	sub post_cleanup {	3655	sub post_cleanup {
2360	my ($make_core) = @_;	3656	my ($make_core) = @_;
2361		3657
2362	warn Carp::longmess "post_cleanup backtrace"	3658	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3659	if $make_core;
2364	}
2365		3660
		3661	my $fh = pidfile;
		3662	unlink $PIDFILE if <$fh> == $$;
		3663	}
		3664
		3665	# a safer delete_package, copied from Symbol
		3666	sub clear_package($) {
		3667	my $pkg = shift;
		3668
		3669	# expand to full symbol table name if needed
		3670	unless ($pkg =~ /^main::.*::$/) {
		3671	$pkg = "main$pkg" if $pkg =~ /^::/;
		3672	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3673	$pkg .= '::' unless $pkg =~ /::$/;
		3674	}
		3675
		3676	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3677	my $stem_symtab = *{$stem}{HASH};
		3678
		3679	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3680	or return;
		3681
		3682	# clear all symbols
		3683	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3684	for my $name (keys %$leaf_symtab) {
		3685	_gv_clear *{"$pkg$name"};
		3686	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3687	}
		3688	warn "cleared package $pkg\n";#d#
		3689	}
		3690
2366	sub reload() {	3691	sub do_reload_perl() {
2367	# can/must only be called in main	3692	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3693	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3694	warn "can only reload from main coroutine";
2370	return;	3695	return;
2371	}	3696	}
2372		3697
		3698	return if $RELOAD++;
		3699
		3700	my $t1 = EV::time;
		3701
		3702	while ($RELOAD) {
2373	warn "reloading...";	3703	warn "reloading...";
2374		3704
2375	warn "entering sync_job";	3705	warn "entering sync_job";
2376		3706
2377	cf::sync_job {	3707	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark	3708	cf::write_runtime_sync; # external watchdog should not bark
2379	cf::emergency_save;	3709	cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark	3710	cf::write_runtime_sync; # external watchdog should not bark
2381		3711
2382	warn "syncing database to disk";	3712	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3713	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3714
2385	# if anything goes wrong in here, we should simply crash as we already saved	3715	# if anything goes wrong in here, we should simply crash as we already saved
2386		3716
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";	3717	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3718	while (IO::AIO::nreqs || BDB::nreqs) {
2398	warn "iterate...";	3719	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	}
2400
2401	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();
2404
2405	warn "removing commands";
2406	%COMMAND = ();
2407
2408	warn "removing ext commands";
2409	%EXTCMD = ();
2410
2411	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";
2414
2415	if (my $cb = $pkg->can ("unload")) {
2416	eval {
2417	$cb->($pkg);
2418	1
2419	} or warn "$pkg unloaded, but with errors: $@";
2420	}	3720	}
2421		3721
2422	warn "... nuking $pkg";	3722	warn "cancelling all extension coros";
2423	Symbol::delete_package $pkg;	3723	$_->cancel for values %EXT_CORO;
2424	}	3724	%EXT_CORO = ();
2425		3725
2426	warn "unloading all perl modules loaded from $LIBDIR";	3726	warn "removing commands";
2427	while (my ($k, $v) = each %INC) {	3727	%COMMAND = ();
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3728
		3729	warn "removing ext/exti commands";
		3730	%EXTCMD = ();
		3731	%EXTICMD = ();
		3732
		3733	warn "unloading/nuking all extensions";
		3734	for my $pkg (@EXTS) {
2430	warn "... unloading $k";	3735	warn "... unloading $pkg";
2431	delete $INC{$k};
2432		3736
2433	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;
2435
2436	if (my $cb = $k->can ("unload_module")) {	3737	if (my $cb = $pkg->can ("unload")) {
		3738	eval {
2437	$cb->();	3739	$cb->($pkg);
		3740	1
		3741	} or warn "$pkg unloaded, but with errors: $@";
		3742	}
		3743
		3744	warn "... clearing $pkg";
		3745	clear_package $pkg;
2438	}	3746	}
2439		3747
2440	Symbol::delete_package $k;	3748	warn "unloading all perl modules loaded from $LIBDIR";
		3749	while (my ($k, $v) = each %INC) {
		3750	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3751
		3752	warn "... unloading $k";
		3753	delete $INC{$k};
		3754
		3755	$k =~ s/\.pm$//;
		3756	$k =~ s/\//::/g;
		3757
		3758	if (my $cb = $k->can ("unload_module")) {
		3759	$cb->();
		3760	}
		3761
		3762	clear_package $k;
2441	}	3763	}
2442		3764
2443	warn "getting rid of safe::, as good as possible";	3765	warn "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3766	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3767	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3768
2447	warn "unloading cf.pm \"a bit\"";	3769	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3770	delete $INC{"cf.pm"};
		3771	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		3772
2450	# don't, removes xs symbols, too,	3773	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3774	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3775	#clear_package __PACKAGE__;
2453		3776
2454	warn "unload completed, starting to reload now";	3777	warn "unload completed, starting to reload now";
2455		3778
2456	warn "reloading cf.pm";	3779	warn "reloading cf.pm";
2457	require cf;	3780	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3781	cf::_connect_to_perl_1;
2459		3782
2460	warn "loading config and database again";	3783	warn "loading config and database again";
2461	cf::cfg_load;	3784	cf::reload_config;
2462		3785
2463	warn "loading extensions";	3786	warn "loading extensions";
2464	cf::load_extensions;	3787	cf::load_extensions;
2465		3788
		3789	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	3790	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3791	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3792	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3793	reattach $_ for values %MAP;
		3794	warn "reattaching attachments to players";
		3795	reattach $_ for values %PLAYER;
		3796	}
2470		3797
2471	warn "loading reloadable resources";	3798	warn "running post_init jobs";
2472	load_resources;	3799	(pop @POST_INIT)->(1) while @POST_INIT;
2473		3800
2474	warn "leaving sync_job";	3801	warn "leaving sync_job";
2475		3802
2476	1	3803	1
2477	} or do {	3804	} or do {
2478	warn $@;	3805	warn $@;
2479	warn "error while reloading, exiting.";	3806	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	3807	};
		3808
		3809	warn "reloaded";
		3810	--$RELOAD;
		3811	}
		3812
		3813	$t1 = EV::time - $t1;
		3814	warn "reload completed in ${t1}s\n";
		3815	};
		3816
		3817	our $RELOAD_WATCHER; # used only during reload
		3818
		3819	sub reload_perl() {
		3820	# doing reload synchronously and two reloads happen back-to-back,
		3821	# coro crashes during coro_state_free->destroy here.
		3822
		3823	$RELOAD_WATCHER ||= cf::async {
		3824	Coro::AIO::aio_wait cache_extensions;
		3825
		3826	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3827	do_reload_perl;
		3828	undef $RELOAD_WATCHER;
		3829	};
2481	};	3830	};
2482		3831	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		3832
2488	register_command "reload" => sub {	3833	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3834	my ($who, $arg) = @_;
2490		3835
2491	if ($who->flag (FLAG_WIZ)) {	3836	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3837	$who->message ("reloading server.");
2493		3838	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3839	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3840	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3841	};
2506	}	3842	}
2507	};	3843	};
2508		3844
2509	unshift @INC, $LIBDIR;	3845	unshift @INC, $LIBDIR;
2510		3846
2511	my $bug_warning = 0;	3847	my $bug_warning = 0;
2512		3848
2513	$TICK_WATCHER = Event->timer (	3849	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3850	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3851
2516	prio => 0,	3852	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3853	return if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	3854
2519	cb => sub {	3855	my $signal = new Coro::Signal;
		3856	push @WAIT_FOR_TICK, $signal;
		3857	$signal->wait;
		3858	}
		3859
		3860	sub wait_for_tick_begin {
		3861	return if tick_inhibit || $Coro::current == $Coro::main;
		3862
		3863	my $signal = new Coro::Signal;
		3864	push @WAIT_FOR_TICK_BEGIN, $signal;
		3865	$signal->wait;
		3866	}
		3867
		3868	sub tick {
2520	if ($Coro::current != $Coro::main) {	3869	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3870	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3871	unless ++$bug_warning > 10;
2523	return;	3872	return;
2524	}	3873	}
2525		3874
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	3875	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		3876
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3877	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3878	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	3879	Coro::async_pool {
		3880	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	3881	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	3882	or warn "ERROR: unable to write runtime file: $!";
2537	};
2538	}	3883	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	3884	}
2553	);	3885
		3886	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3887	$sig->send;
		3888	}
		3889	while (my $sig = shift @WAIT_FOR_TICK) {
		3890	$sig->send;
		3891	}
		3892
		3893	$LOAD = ($NOW - $TICK_START) / $TICK;
		3894	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3895
		3896	if (0) {
		3897	if ($NEXT_TICK) {
		3898	my $jitter = $TICK_START - $NEXT_TICK;
		3899	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3900	warn "jitter $JITTER\n";#d#
		3901	}
		3902	}
		3903	}
2554		3904
2555	{	3905	{
2556	BDB::max_poll_time $TICK * 0.1;	3906	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	3907
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	3908	BDB::min_parallel 8;
2566		3909	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	3910	$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		3911
2582	unless ($DB_ENV) {	3912	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	3913	$DB_ENV = BDB::db_env_create;
		3914	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3915	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3916	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3917	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3918	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		3919
2585	cf::sync_job {	3920	cf::sync_job {
2586	eval {	3921	eval {
2587	BDB::db_env_open	3922	BDB::db_env_open
2588	$DB_ENV,	3923	$DB_ENV,
2589	$BDB_ENV_DIR,	3924	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3925	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3926	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3927	0666;
2593		3928
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3929	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	3930	};
2599		3931
2600	cf::cleanup "db_env_open(db): $@" if $@;	3932	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	3933	};
2602	}	3934	}
		3935
		3936	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3937	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3938	};
		3939	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3940	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3941	};
		3942	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3943	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3944	};
2603	}	3945	}
2604		3946
2605	{	3947	{
		3948	# configure IO::AIO
		3949
2606	IO::AIO::min_parallel 8;	3950	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	3951	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	3952	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	3953	}
		3954
		3955	my $_log_backtrace;
		3956
		3957	sub _log_backtrace {
		3958	my ($msg, @addr) = @_;
		3959
		3960	$msg =~ s/\n//;
		3961
		3962	# limit the # of concurrent backtraces
		3963	if ($_log_backtrace < 2) {
		3964	++$_log_backtrace;
		3965	my $perl_bt = Carp::longmess $msg;
		3966	async {
		3967	$Coro::current->{desc} = "abt $msg";
		3968
		3969	my @bt = fork_call {
		3970	@addr = map { sprintf "%x", $_ } @addr;
		3971	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3972	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3973	or die "addr2line: $!";
		3974
		3975	my @funcs;
		3976	my @res = <$fh>;
		3977	chomp for @res;
		3978	while (@res) {
		3979	my ($func, $line) = splice @res, 0, 2, ();
		3980	push @funcs, "[$func] $line";
		3981	}
		3982
		3983	@funcs
		3984	};
		3985
		3986	LOG llevInfo, "[ABT] $perl_bt\n";
		3987	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3988	LOG llevInfo, "[ABT] $_\n" for @bt;
		3989	--$_log_backtrace;
		3990	};
		3991	} else {
		3992	LOG llevInfo, "[ABT] $msg\n";
		3993	LOG llevInfo, "[ABT] [suppressed]\n";
		3994	}
		3995	}
		3996
		3997	# load additional modules
		3998	require "cf/$_.pm" for @EXTRA_MODULES;
		3999	cf::_connect_to_perl_2;
2619		4000
2620	END { cf::emergency_save }	4001	END { cf::emergency_save }
2621		4002
2622	1	4003	1
2623		4004

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