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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.472 by root, Sat Jun 6 21:43:13 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
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	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		78
40	our %COMMAND = ();	79	our %COMMAND = ();
41	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
42		81
43	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
47		87
48	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	89	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		90
52	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	92	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	109	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
59		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
62		118
63	our %CFG;	119	our %CFG;
64		120
65	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
67		124
68	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		128
77	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
80	binmode STDOUT;	141	binmode STDOUT;
81	binmode STDERR;	142	binmode STDERR;
82		143
83	# read virtual server time, if available	144	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
88	}	149	}
89		150
90	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	152
92	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		155
97	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
98		157
99	sub cf::map::normalise;	158	sub cf::map::normalise;
100		159
…		…
111	=item $cf::RUNTIME	170	=item $cf::RUNTIME
112		171
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	173	every server tick.
115		174
116	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		178
118	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
120		183
121	=item $cf::NOW	184	=item $cf::NOW
122		185
123	The time of the last (current) server tick.	186	The time of the last (current) server tick.
124		187
125	=item $cf::TICK	188	=item $cf::TICK
126		189
127	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
128		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
129	=item %cf::CFG	202	=item %cf::CFG
130		203
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	205	from wherever your confdir points to.
133		206
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		208
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	210	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
140		218
141	=back	219	=back
142		220
143	=cut	221	=cut
144		222
145	BEGIN {	223	BEGIN {
146	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	225	my $msg = join "", @_;
148	utf8::encode $msg;
149		226
150	$msg .= "\n"	227	$msg .= "\n"
151	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
152		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
153	LOG llevError, $msg;	232	LOG llevError, $msg;
154	};	233	};
155	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
156		250
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		258
164	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	260	# within the Safe compartment.
166	for my $pkg (qw(	261	for my $pkg (qw(
167	cf::global cf::attachable	262	cf::global cf::attachable
168	cf::object cf::object::player	263	cf::object cf::object::player
169	cf::client cf::player	264	cf::client cf::player
170	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
171	cf::map cf::party cf::region	267	cf::party cf::region
172	)) {	268	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	270	}
176		271
177	$Event::DIED = sub {	272	$EV::DIED = sub {
178	warn "error in event callback: @_";	273	warn "error in event callback: @_";
179	};	274	};
		275
		276	#############################################################################
180		277
181	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
182		279
183	=over 4	280	=over 4
184		281
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	301	$d
205	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
206	}	303	}
207		304
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
211		306
212	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
213		308
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
222		310
223	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
224		312
225	=cut	313	=cut
226		314
227	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
229	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
230	}	332	}
231		333
232	=item cf::lock_wait $string	334	=item cf::lock_wait $string
233		335
234	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
235		337
236	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
237		339
238	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
241	returned.	343	returned.
242		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
243	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
245		350
246	=cut	351	=item $locked = cf::lock_active $string
247		352
248	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
249		358
250	sub lock_wait($) {	359	sub lock_wait($) {
251	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	361	}
259		362
260	sub lock_acquire($) {	363	sub lock_acquire($) {
261	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
262		366
263	# wait, to be sure we are not locked	367	sub lock_active($) {
264	lock_wait $key;	368	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	369	}
273		370
274	sub freeze_mainloop {	371	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
276		373
277	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
279	};	435	}
280	$TICK_WATCHER->stop;	436	};
281	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
282	}	450	}
283		451
284	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
285		453
286	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		459
292	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
293		461
294	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
295		463
296	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
299		468
300	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
303	fast or be very important.	472	fast or be very important.
…		…
306		475
307	sub sync_job(&) {	476	sub sync_job(&) {
308	my ($job) = @_;	477	my ($job) = @_;
309		478
310	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
311	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
313		484
314	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	486
316	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
317		488
318	my $busy = 1;	489	my $busy = 1;
319	my @res;	490	my @res;
320		491
321	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	494	@res = eval { $job->() };
323	warn $@ if $@;	495	warn $@ if $@;
324	undef $busy;	496	undef $busy;
325	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
326		498
327	while ($busy) {	499	while ($busy) {
328	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
329	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
330		510
331	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
332	} else {	512	} else {
333	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
334		514
…		…
354	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
355		535
356	$coro	536	$coro
357	}	537	}
358		538
359	sub write_runtime {	539	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		540
362	my $runtime = cf::localdir . "/runtime";	541	Executes the given code block with the given arguments in a seperate
		542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
363		545
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	=cut
365	or return;
366		547
367	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		550
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
372	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
373		554
374	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	556	reset_signals;
376	and return;	557	&$cb
		558	}, @args;
377		559
378	close $fh	560	wantarray ? @res : $res[-1]
379	or return;	561	}
380		562
381	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
382	and return;
383		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
384	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	726	}
386		727
387	=back	728	=back
388		729
389	=cut	730	=cut
390		731
391	#############################################################################	732	#############################################################################
392		733
393	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
394		735
395	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
398		739
399	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	742	Deliantra).
402		743
403	=over 4	744	=over 4
404		745
405	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
406		747
…		…
450	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
451		792
452	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
454		795
455	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
457		798
458	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
459		800
460	=over 4	801	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
570		911
571	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		916
576	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	918	my $pkg = shift @arg;
578		919
579	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
609	}	950	}
610		951
611	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
612	} else {	953	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	955	}
615		956
616	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
617	}	958	}
618		959
…		…
620	if (ref $_[0]) {	961	if (ref $_[0]) {
621	_object_attach @_;	962	_object_attach @_;
622	} else {	963	} else {
623	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
624	}	965	}
		966	_recalc_want;
625	};	967	};
626		968
627	# all those should be optimised	969	# all those should be optimised
628	sub cf::attachable::detach {	970	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
633	reattach ($obj);	975	reattach ($obj);
634	} else {	976	} else {
635	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
636	}	978	}
		979	_recalc_want;
637	};	980	};
638		981
639	sub cf::attachable::attached {	982	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
641		984
…		…
656	";	999	";
657	die if $@;	1000	die if $@;
658	}	1001	}
659		1002
660	our $override;	1003	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1005
663	sub override {	1006	sub override {
664	$override = 1;	1007	$override = 1;
665	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
666	}	1009	}
667		1010
668	sub do_invoke {	1011	sub do_invoke {
669	my $event = shift;	1012	my $event = shift;
670	my $callbacks = shift;	1013	my $callbacks = shift;
671		1014
672	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
673		1016
674	local $override;	1017	local $override;
675		1018
676	for (@$callbacks) {	1019	for (@$callbacks) {
677	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
686	}	1029	}
687		1030
688	0	1031	0
689	}	1032	}
690		1033
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1035
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1037
695	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
696		1039
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1043
701	=back	1044	=back
702		1045
703	=cut	1046	=cut
704		1047
705	#############################################################################	1048	#############################################################################
706	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
707		1092
708	sub reattach {	1093	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1095	my ($obj) = @_;
711		1096
		1097	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1099
714	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
715		1101
716	@$registry = ();	1102	@$registry = ();
717		1103
…		…
732	cf::attachable->attach (	1118	cf::attachable->attach (
733	prio => -1000000,	1119	prio => -1000000,
734	on_instantiate => sub {	1120	on_instantiate => sub {
735	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
736		1122
737	$data = from_json $data;	1123	$data = decode_json $data;
738		1124
739	for (@$data) {	1125	for (@$data) {
740	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
741		1127
742	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1144	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
760		1146
761	sync_job {	1147	sync_job {
762	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
765		1152
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1157	aio_close $fh;
771		1158
772	if (@$objs) {	1159	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1165	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
780	}	1167	}
781	} else {	1168	} else {
782	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
783	}	1170	}
784		1171
785	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1176	} else {
787	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
788	}	1178	}
789	} else {	1179	} else {
790	aio_unlink $filename;	1180	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
792	}	1182	}
793	}	1183	};
794	}	1184	}
795		1185
796	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
798		1188
…		…
810	or return;	1200	or return;
811		1201
812	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
814	or return;	1204	or return;
		1205
815	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
816	}	1208	}
817		1209
		1210	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
820	return ($data, $av);	1214	($data, $av)
821	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
822		1222
823	#############################################################################	1223	#############################################################################
824	# command handling &c	1224	# command handling &c
825		1225
826	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1240	}
841		1241
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1243
844	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
845		1249
846	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
847	called.	1251	called.
848		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
849	=cut	1264	=cut
850		1265
851	sub register_extcmd {	1266	sub register_extcmd {
852	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
853		1268
854	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
855	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
856		1279
857	cf::player->attach (	1280	cf::player->attach (
858	on_command => sub {	1281	on_command => sub {
859	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
860		1283
…		…
868	cf::override;	1291	cf::override;
869	},	1292	},
870	on_extcmd => sub {	1293	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
872		1295
873	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1297
875	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
881	} else {	1313	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1315	}
884		1316
885	cf::override;	1317	cf::override;
886	},	1318	},
887	);	1319	);
888		1320
		1321	# "readahead" all extensions
889	sub load_extension {	1322	sub cache_extensions {
890	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
891		1324
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1328	}
917	die $@;
918	}	1329	};
919		1330
920	push @EXTS, $pkg;	1331	$grp
921	}	1332	}
922		1333
923	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
924	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1339	next unless -r $path;
926	eval {	1340
927	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
928	1	1397	}
929	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
930	}	1403	};
931	}	1404	}
932		1405
933	#############################################################################	1406	#############################################################################
934		1407
		1408	=back
		1409
935	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
936		1411
937	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
938		1413
939	=cut	1414	=cut
940		1415
941	package cf::player;	1416	package cf::player;
942		1417
…		…
944		1419
945	=head3 cf::player	1420	=head3 cf::player
946		1421
947	=over 4	1422	=over 4
948		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
		1437
949	=item cf::player::find $login	1438	=item cf::player::find $login
950		1439
951	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
952		1441
953	=cut	1442	=cut
954		1443
955	sub playerdir($) {	1444	sub playerdir($) {
956	cf::localdir	1445	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1446	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1447	}
962		1448
963	sub path($) {	1449	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1450	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1451
966	(playerdir $login) . "/$login.pl"	1452	(playerdir $login) . "/playerdata"
967	}	1453	}
968		1454
969	sub find_active($) {	1455	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1456	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1457	and $cf::PLAYER{$_[0]}->active
…		…
974		1460
975	sub exists($) {	1461	sub exists($) {
976	my ($login) = @_;	1462	my ($login) = @_;
977		1463
978	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
980	}	1466	}
981		1467
982	sub find($) {	1468	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1470	my $login = $_[0];
985		1471
986	my $guard = cf::lock_acquire "user_find:$login";	1472	my $guard = cf::lock_acquire "user_find:$login";
987		1473
988	$cf::PLAYER{$_[0]} || do {	1474	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1475	# rename old playerfiles to new ones
		1476	#TODO: remove when no longer required
		1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1480	aio_unlink +(playerdir $login) . "/$login.pl";
		1481
		1482	my $f = new_from_file cf::object::thawer path $login
990	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
992	}	1491	}
993	}	1492	}
994	}	1493	}
995		1494
…		…
1004	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1005		1504
1006	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1008		1507
		1508	cf::get_slot 0.01;
		1509
1009	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1010	Coro::cede;	1511	cf::cede_to_tick;
1011	}	1512	}
1012		1513
1013	sub new($) {	1514	sub new($) {
1014	my ($login) = @_;	1515	my ($login) = @_;
1015		1516
…		…
1021	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1022		1523
1023	$self	1524	$self
1024	}	1525	}
1025		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1026	=item $pl->quit_character	1537	=item $pl->quit_character
1027		1538
1028	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1030		1541
…		…
1034	my ($pl) = @_;	1545	my ($pl) = @_;
1035		1546
1036	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1037		1548
1038	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1551
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1045		1558
1046	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1590	while and may block, so not sync_job-capable, ever.
1078		1591
1079	=cut	1592	=cut
1080		1593
1081	sub list_logins {	1594	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1595	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1596	or return [];
1084		1597
1085	my @logins;	1598	my @logins;
1086		1599
1087	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1091		1610
1092	utf8::decode $login;	1611	utf8::decode $login;
1093	push @logins, $login;	1612	push @logins, $login;
1094	}	1613	}
1095		1614
…		…
1122	}	1641	}
1123		1642
1124	\@paths	1643	\@paths
1125	}	1644	}
1126		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1128		1651
1129	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1130		1653
1131	=cut	1654	=cut
1132		1655
1133	sub ext_reply($$$%) {	1656	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1135		1658
1136	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1660	}
1140		1661
1141	package cf;	1662	=item $player->ext_msg ($type, @msg)
		1663
		1664	Sends an ext event to the client.
		1665
		1666	=cut
		1667
		1668	sub ext_msg($$@) {
		1669	my ($self, $type, @msg) = @_;
		1670
		1671	$self->ns->ext_msg ($type, @msg);
		1672	}
		1673
		1674	=head3 cf::region
		1675
		1676	=over 4
		1677
		1678	=cut
		1679
		1680	package cf::region;
		1681
		1682	=item cf::region::find_by_path $path
		1683
		1684	Tries to decuce the likely region for a map knowing only its path.
		1685
		1686	=cut
		1687
		1688	sub find_by_path($) {
		1689	my ($path) = @_;
		1690
		1691	my ($match, $specificity);
		1692
		1693	for my $region (list) {
		1694	if ($region->{match} && $path =~ $region->{match}) {
		1695	($match, $specificity) = ($region, $region->specificity)
		1696	if $region->specificity > $specificity;
		1697	}
		1698	}
		1699
		1700	$match
		1701	}
1142		1702
1143	=back	1703	=back
1144
1145		1704
1146	=head3 cf::map	1705	=head3 cf::map
1147		1706
1148	=over 4	1707	=over 4
1149		1708
…		…
1161	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1163		1722
1164	sub generate_random_map {	1723	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1166	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1729	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1205		1767
1206	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1207	local $self->{path};	1769	local $self->{path};
1208	local $self->{load_path};	1770	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1771
1212	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1213	}	1773	}
1214		1774
1215	sub normalise {	1775	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1263	return $self;	1823	return $self;
1264	}	1824	}
1265	}	1825	}
1266		1826
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1828	()
1269	}	1829	}
1270		1830
1271	sub init {	1831	sub init {
1272	my ($self) = @_;	1832	my ($self) = @_;
…		…
1287		1847
1288	# the original (read-only) location	1848	# the original (read-only) location
1289	sub load_path {	1849	sub load_path {
1290	my ($self) = @_;	1850	my ($self) = @_;
1291		1851
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1293	}	1853	}
1294		1854
1295	# the temporary/swap location	1855	# the temporary/swap location
1296	sub save_path {	1856	sub save_path {
1297	my ($self) = @_;	1857	my ($self) = @_;
1298		1858
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1301	}	1861	}
1302		1862
1303	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1304	sub uniq_path {	1864	sub uniq_path {
1305	my ($self) = @_;	1865	my ($self) = @_;
1306		1866
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1309	}	1869	}
1310		1870
1311	# and all this just because we cannot iterate over	1871	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	1872	my ($self) = @_;
1315		1873
1316	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1318	}	1877	}
1319		1878
1320	sub unlink_save {	1879	sub unlink_save {
1321	my ($self) = @_;	1880	my ($self) = @_;
1322		1881
…		…
1327		1886
1328	sub load_header_from($) {	1887	sub load_header_from($) {
1329	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1330		1889
1331	utf8::encode $path;	1890	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1337		1899
1338	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1339		1901
1340	1	1902	1
1341	}	1903	}
…		…
1380	$self->load_header_orig	1942	$self->load_header_orig
1381	or return;	1943	or return;
1382	$self->prepare_orig;	1944	$self->prepare_orig;
1383	}	1945	}
1384		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
		1950	$self->default_region (cf::region::find_by_path $self->{path})
		1951	unless $self->default_region;
		1952
1385	1	1953	1
1386	}	1954	}
1387		1955
1388	sub find;	1956	sub find;
1389	sub find {	1957	sub find {
1390	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1391		1959
1392	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1393		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1395		1964
1396	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1399	or return;	1967	or return;
1400		1968
1401	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1402		1970
1403	$map->load_header	1971	$map->load_header
1404	or return;	1972	or return;
1405		1973
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1409	$map->reset;	1979	$map->reset;
1410	undef $guard;
1411	return find $path;	1980	return find $path;
1412	}	1981	}
1413		1982
1414	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1415	}	1984	}
…		…
1422	my ($self) = @_;	1991	my ($self) = @_;
1423		1992
1424	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1425		1994
1426	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1428		1999
		2000	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2002
1431	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1432		2004
1433	$self->alloc;	2005	$self->alloc;
1434		2006
1435	$self->pre_load;	2007	$self->pre_load;
		2008	cf::cede_to_tick;
1436		2009
1437	$self->_load_objects ($self->{load_path}, 1)	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
		2012	$self->_load_objects ($f)
1438	or return;	2013	or return;
1439		2014
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1441	if delete $self->{load_original};	2016	if delete $self->{load_original};
1442		2017
1443	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2019	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2022	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1448	}	2026	}
1449	}	2027	}
1450		2028
1451	Coro::cede;	2029	$f->resolve_delayed_derefs;
1452		2030
		2031	cf::cede_to_tick;
1453	# now do the right thing for maps	2032	# now do the right thing for maps
1454	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2035	unless $self->difficulty;
1464	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1465	$self->activate;	2043	$self->activate;
		2044	}
		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
		2049	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2050	}
1467		2051
1468	$self->post_load;	2052	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2053	}
1472		2054
1473	sub customise_for {	2055	sub customise_for {
1474	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1475		2057
1476	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2059	if $self->per_player;
1478		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1479	$self	2064	$self
1480	}	2065	}
1481		2066
1482	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2068	sub load_neighbours {
1484	my ($map) = @_;	2069	my ($map) = @_;
1485		2070
1486	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1487		2072
1488	for (0 .. 3) {	2073	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1490	or next;	2075	or next;
1491	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1492	or next;	2077	or next;
1493	$neigh->load;	2078	$neigh->load;
1494		2079
		2080	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2083	}
1498		2084
1499	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1501	or next;	2088	or next;
1502	$neigh->load;	2089	$neigh->load;
1503	}	2090	}
1504	}	2091	}
1505		2092
…		…
1510	}	2097	}
1511		2098
1512	sub do_load_sync {	2099	sub do_load_sync {
1513	my ($map) = @_;	2100	my ($map) = @_;
1514		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1515	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1516	}	2106	}
1517		2107
1518	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1520		2110
1521	sub find_async {	2111	sub find_async {
1522	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1523		2113
1524	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1525		2115
1526	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2118	}
1529		2119
1530	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1531	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1532	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2127	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2128	$map->load if $v;
		2129	}
1537		2130
1538	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1539	}	2132	}
1540	}	2133	}
1541	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1542	};	2135	};
1543	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2139	}
1547		2140
1548	sub save {	2141	sub save {
1549	my ($self) = @_;	2142	my ($self) = @_;
1550		2143
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2145
1553	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1554		2147
1555	return unless $self->dirty;	2148	return unless $self->dirty;
1556		2149
…		…
1562	return if $self->{deny_save};	2155	return if $self->{deny_save};
1563		2156
1564	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1565		2158
1566	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1568	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1569		2165
1570	if ($uniq) {	2166	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2169	} else {
…		…
1579	my ($self) = @_;	2175	my ($self) = @_;
1580		2176
1581	# save first because save cedes	2177	# save first because save cedes
1582	$self->save;	2178	$self->save;
1583		2179
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2181
1586	return if $self->players;	2182	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2184	return if $self->{deny_save};
1589		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2190	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2191	}
1593		2192
1594	sub reset_at {	2193	sub reset_at {
1595	my ($self) = @_;	2194	my ($self) = @_;
1596		2195
1597	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1600		2198
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2201
…		…
1614	my ($self) = @_;	2212	my ($self) = @_;
1615		2213
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2215
1618	return if $self->players;	2216	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2217
1621	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1622		2219
1623	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1624		2221
1625	# need to save uniques path	2222	# need to save uniques path
1626	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2227	if $uniq;
1631	}	2228	}
1632		2229
1633	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1634		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2234	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2235
1639	$self->unlink_save;	2236	$self->unlink_save;
1640	$self->destroy;	2237	$self->destroy;
1641	}	2238	}
1642		2239
1643	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1644		2241
1645	sub nuke {	2242	sub nuke {
1646	my ($self) = @_;	2243	my ($self) = @_;
1647		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1648	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1649		2249
1650	$self->unlink_save;	2250	$self->unlink_save;
1651		2251
1652	bless $self, "cf::map";	2252	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2257
1658	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1659		2260
1660	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1661	}	2298	}
1662		2299
1663	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1664		2301
1665	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2303	instantiated unique items. May block.
1667		2304
1668	=cut	2305	=cut
1669		2306
1670	sub unique_maps() {	2307	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2308	[
1672	or return;	2309	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2310	utf8::decode $_;
1678	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2313	? ()
1681	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2316	]
1683
1684	\@paths
1685	}	2317	}
1686
1687	package cf;
1688		2318
1689	=back	2319	=back
1690		2320
1691	=head3 cf::object	2321	=head3 cf::object
1692		2322
…		…
1696		2326
1697	=over 4	2327	=over 4
1698		2328
1699	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1700		2330
1701	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1702		2333
1703	=cut	2334	=cut
1704		2335
1705	sub inv_recursive_;	2336	sub inv_recursive_;
1706	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1709		2340
1710	sub inv_recursive {	2341	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1712	}	2343	}
1713		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1714	package cf;	2373	package cf;
1715		2374
1716	=back	2375	=back
1717		2376
1718	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1727		2386
1728	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1729		2402
1730	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2404	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1735		2408
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2410
1738	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1740	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1743	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1744	}	2436	}
1745		2437
1746	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1747		2439
1748	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1761		2453
1762	=item $player_object->enter_link	2454	=item $player_object->enter_link
1763		2455
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2457
1766	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1768		2462
1769	Will never block.	2463	Will never block.
1770		2464
1771	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1772		2466
…		…
1795	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1796		2490
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2492
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1801		2495
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2497	}
1804		2498
1805	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1807		2503
1808	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1809		2505
1810	unless ($map) {	2506	unless ($map) {
1811	# restore original map position	2507	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1828		2524
1829	$map->load;	2525	$map->load;
1830	$map->load_diag;	2526	$map->load_neighbours;
1831		2527
1832	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1833	$self->activate_recursive;	2530	$self->activate_recursive;
1834		2531
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1837	}	2534	}
1838		2535
1839	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2537
1843	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1847	};	2542	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2543
1853	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2546
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1874		2550
1875	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2556
1878	$self->enter_link;	2557	$self->enter_link;
1879		2558
1880	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1881	my $map = eval {	2581	my $map = eval {
1882	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1884	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2597	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1889	})->prio (1);	2605	})->prio (1);
1890	}	2606	}
1891		2607
1892	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1893		2609
…		…
1913	}	2629	}
1914		2630
1915	sub prepare_random_map {	2631	sub prepare_random_map {
1916	my ($exit) = @_;	2632	my ($exit) = @_;
1917		2633
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2636	# that depends on the exit object
1923		2637
1924	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2640	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
1931	}	2647	}
1932		2648
1933	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
1934		2650
1935	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
1938		2654
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2657	undef $fh;
1942	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
1943		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
1946	}	2666	}
1947	}	2667	}
1948		2668
1949	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
1951		2671
1952	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
1953		2673
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2674	$self->enter_link;
1964		2675
1965	(async {	2676	(async {
1966	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
1967	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
1968	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
1969		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
1970	1;	2700	1
1971	}) {	2701	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2706
1977	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2708	$self->leave_link;
1979	}	2709	}
1980	})->prio (1);	2710	})->prio (1);
…		…
1993		2723
1994	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1996		2726
1997	utf8::encode $text;	2727	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2729	}
2000		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	"c/party" => {
		2827	id => "party",
		2828	title => "Party",
		2829	reply => "gsay ",
		2830	tooltip => "Messages and chat related to your party",
		2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
		2840	);
		2841
		2842	sub cf::client::send_msg {
		2843	my ($self, $channel, $msg, $color, @extra) = @_;
		2844
		2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
		2847
		2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2849
		2850	# check predefined channels, for the benefit of C
		2851	if ($CHANNEL{$channel}) {
		2852	$channel = $CHANNEL{$channel};
		2853
		2854	$self->ext_msg (channel_info => $channel);
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel);
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	my $pkt = "msg "
		2874	. $self->{json_coder}->encode (
		2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2876	);
		2877
		2878	# try lzf for large packets
		2879	$pkt = "lzf " . Compress::LZF::compress $pkt
		2880	if 1024 <= length $pkt and $self->{can_lzf};
		2881
		2882	# split very large packets
		2883	if (8192 < length $pkt and $self->{can_lzf}) {
		2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2885	$pkt = "frag";
		2886	}
		2887
		2888	$self->send_packet ($pkt);
		2889	}
		2890
		2891	=item $client->ext_msg ($type, @msg)
		2892
		2893	Sends an ext event to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_msg($$@) {
		2898	my ($self, $type, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
		2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
		2924	}
2001		2925
2002	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2003		2927
2004	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2931
2008	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2933	become reliable at some point in the future.
2010		2934
2011	=cut	2935	=cut
2012		2936
2013	sub cf::client::query {	2937	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2946	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2948
2025	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2027	}	2953	}
2028		2954
2029	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2030	on_reply => sub {	2961	on_reply => sub {
2031	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2032		2963
2033	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2034	# get handled first	2965	# get handled first
…		…
2046	} else {	2977	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2979	}
2049	}	2980	}
2050	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2051	);	3008	);
2052		3009
2053	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2054		3011
2055	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2098		3055
2099	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2100		3057
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2102		3063
2103	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2104		3065
2105	=pod	3066	=pod
2106		3067
2107	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2108		3069
2109	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease split
		3073	value
		3074
2110	cf::object::player player	3075	cf::object::player
2111	cf::player peaceful	3076	player
2112	cf::map trigger	3077
		3078	cf::player
		3079	peaceful
		3080
		3081	cf::map
		3082	trigger
2113		3083
2114	=cut	3084	=cut
2115		3085
2116	for (	3086	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3088	insert remove inv nrof name archname title slaying race
		3089	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
2121	) {	3093	) {
2122	no strict 'refs';	3094	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2141	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
2142		3114
2143	my $qcode = $code;	3115	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
2146		3120
2147	local $_;	3121	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
2149		3123
2150	my $eval =	3124	my $eval =
…		…
2193	=back	3167	=back
2194		3168
2195	=cut	3169	=cut
2196		3170
2197	#############################################################################	3171	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3172	# the server's init and main functions
2271		3173
2272	sub load_faces {	3174	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3175	my ($path) = @_;
2274		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3182
2275	warn "loading faces from $path\n";	3183	warn "loading facedata from $path\n";
2276		3184
2277	my $faces;	3185	my $facedata;
2278	0 < aio_load $path, $faces	3186	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3187	or die "$path: $!";
2280		3188
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3189	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3190
		3191	$facedata->{version} == 2
		3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
		3201	{
		3202	my $faces = $facedata->{faceinfo};
		3203
2285	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3206
		3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3211
		3212	cf::cede_to_tick;
		3213	}
		3214
		3215	while (my ($face, $info) = each %$faces) {
		3216	next unless $info->{smooth};
		3217
		3218	my $idx = cf::face::find $face
		3219	or next;
		3220
		3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
		3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3224	} else {
		3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3226	}
		3227
		3228	cf::cede_to_tick;
		3229	}
		3230	}
		3231
2290	}	3232	{
		3233	my $anims = $facedata->{animinfo};
		3234
		3235	while (my ($anim, $info) = each %$anims) {
		3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3237	cf::cede_to_tick;
		3238	}
		3239
		3240	cf::anim::invalidate_all; # d'oh
		3241	}
		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3277
2292	1	3278	1
2293	}	3279	}
2294		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub load_resource_file($) {
		3310	my $guard = lock_acquire "load_resource_file";
		3311
		3312	my $status = load_resource_file_ $_[0];
		3313	get_slot 0.1, 100;
		3314	cf::arch::commit_load;
		3315
		3316	$status
		3317	}
		3318
		3319	sub reload_regions {
		3320	# HACK to clear player env face cache, we need some signal framework
		3321	# for this (global event?)
		3322	%ext::player_env::MUSIC_FACE_CACHE = ();
		3323
		3324	load_resource_file "$MAPDIR/regions"
		3325	or die "unable to load regions file\n";
		3326
		3327	for (cf::region::list) {
		3328	$_->{match} = qr/$_->{match}/
		3329	if exists $_->{match};
		3330	}
		3331	}
		3332
		3333	sub reload_facedata {
		3334	load_facedata "$DATADIR/facedata"
		3335	or die "unable to load facedata\n";
		3336	}
		3337
		3338	sub reload_archetypes {
		3339	load_resource_file "$DATADIR/archetypes"
		3340	or die "unable to load archetypes\n";
		3341	}
		3342
		3343	sub reload_treasures {
		3344	load_resource_file "$DATADIR/treasures"
		3345	or die "unable to load treasurelists\n";
		3346	}
		3347
2295	sub reload_resources {	3348	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3349	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3350
2298	load_faces	3351	reload_facedata;
2299	or die "unable to load faces\n";#d#	3352	reload_archetypes;
2300	}
2301
2302	sub init {
2303	reload_resources;	3353	reload_regions;
2304	}	3354	reload_treasures;
2305		3355
2306	sub cfg_load {	3356	warn "finished reloading resource files\n";
		3357	}
		3358
		3359	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3361	or return;
2309		3362
2310	local $/;	3363	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2312		3365
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3367
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2322	};	3375	};
2323	warn $@ if $@;	3376	warn $@ if $@;
2324	}	3377	}
2325	}	3378	}
2326		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
2327	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
2328	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3417	(async {
2332	Event::one_event;	3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3419	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3420	})->prio (Coro::PRIO_MAX);
2334	};	3421	};
2335		3422
2336	cfg_load;	3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	cf::sync_job {
		3426	reload_resources;
		3427	reload_config;
2337	db_init;	3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
2338	load_extensions;	3441	load_extensions;
2339		3442
2340	$TICK_WATCHER->start;	3443	utime time, time, $RUNTIMEFILE;
		3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
		3449	};
		3450
2341	Event::loop;	3451	EV::loop;
2342	}	3452	}
2343		3453
2344	#############################################################################	3454	#############################################################################
2345	# initialisation and cleanup	3455	# initialisation and cleanup
2346		3456
2347	# install some emergency cleanup handlers	3457	# install some emergency cleanup handlers
2348	BEGIN {	3458	BEGIN {
		3459	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3460	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3461	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3462	cf::cleanup "SIG$signal";
2357	},
2358	);	3463	};
		3464	}
		3465	}
		3466
		3467	sub write_runtime_sync {
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2359	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
		3525	$uuid_skip = 0;
		3526
		3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3528	and return;
		3529
		3530	# always fsync - this file is important
		3531	aio_fsync $fh
		3532	and return;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$uuid~", $uuid
		3538	and return;
		3539
		3540	warn "uuid file written ($value).\n";
		3541
		3542	1
		3543
		3544	}
		3545
		3546	sub write_uuid($$) {
		3547	my ($skip, $sync) = @_;
		3548
		3549	$sync ? write_uuid_sync $skip
		3550	: async { write_uuid_sync $skip };
2360	}	3551	}
2361		3552
2362	sub emergency_save() {	3553	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
2364		3555
2365	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
2366		3557
2367	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
2368	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3570	$pl->valid or next;
		3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3572	$pl->save;
2376	}	3573	}
2377	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
2378		3575
2379	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3579	$map->valid or next;
2383	$map->save;	3580	$map->save;
2384	}	3581	}
2385	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
2386		3583
2387	warn "begin emergency database checkpoint\n";	3584	warn "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3585	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3586	warn "emergency_perl_save: end database checkpoint\n";
		3587
		3588	warn "emergency_perl_save: begin write uuid\n";
		3589	write_uuid_sync 1;
		3590	warn "emergency_perl_save: end write uuid\n";
2390	};	3591	};
2391		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
2392	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
2393	}	3599	}
2394		3600
2395	sub post_cleanup {	3601	sub post_cleanup {
2396	my ($make_core) = @_;	3602	my ($make_core) = @_;
2397		3603
2398	warn Carp::longmess "post_cleanup backtrace"	3604	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3605	if $make_core;
2400	}
2401		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
		3635	}
		3636
2402	sub reload() {	3637	sub do_reload_perl() {
2403	# can/must only be called in main	3638	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3640	warn "can only reload from main coroutine";
2406	return;	3641	return;
2407	}	3642	}
2408		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
2409	warn "reloading...";	3649	warn "reloading...";
2410		3650
2411	warn "entering sync_job";	3651	warn "entering sync_job";
2412		3652
2413	cf::sync_job {	3653	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3654	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3655	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3656	cf::write_runtime_sync; # external watchdog should not bark
2417		3657
2418	warn "syncing database to disk";	3658	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3660
2421	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
2422		3662
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3663	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3664	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3666	}
2459		3667
2460	warn "... nuking $pkg";	3668	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3669	$_->cancel for values %EXT_CORO;
2462	}	3670	%EXT_CORO = ();
2463		3671
2464	warn "unloading all perl modules loaded from $LIBDIR";	3672	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3673	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3681	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3682
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
2475	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
2476	}	3692	}
2477		3693
2478	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
2479	}	3709	}
2480		3710
2481	warn "getting rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3714
2485	warn "unloading cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
		3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		3718
2488	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3720	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
2491		3722
2492	warn "unload completed, starting to reload now";	3723	warn "unload completed, starting to reload now";
2493		3724
2494	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
2495	require cf;	3726	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3728
2498	warn "loading config and database again";	3729	warn "loading config and database again";
2499	cf::cfg_load;	3730	cf::reload_config;
2500		3731
2501	warn "loading extensions";	3732	warn "loading extensions";
2502	cf::load_extensions;	3733	cf::load_extensions;
2503		3734
		3735	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3737	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3738	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3740	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3741	reattach $_ for values %PLAYER;
		3742	}
2510		3743
2511	warn "loading reloadable resources";	3744	warn "running post_init jobs";
2512	reload_resources;	3745	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3746
2514	warn "leaving sync_job";	3747	warn "leaving sync_job";
2515		3748
2516	1	3749	1
2517	} or do {	3750	} or do {
2518	warn $@;	3751	warn $@;
2519	warn "error while reloading, exiting.";	3752	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3753	};
		3754
		3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
		3761	};
		3762
		3763	our $RELOAD_WATCHER; # used only during reload
		3764
		3765	sub reload_perl() {
		3766	# doing reload synchronously and two reloads happen back-to-back,
		3767	# coro crashes during coro_state_free->destroy here.
		3768
		3769	$RELOAD_WATCHER ||= cf::async {
		3770	Coro::AIO::aio_wait cache_extensions;
		3771
		3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3773	do_reload_perl;
		3774	undef $RELOAD_WATCHER;
		3775	};
2521	};	3776	};
2522		3777	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3778
2528	register_command "reload" => sub {	3779	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
2530		3781
2531	if ($who->flag (FLAG_WIZ)) {	3782	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3783	$who->message ("reloading server.");
2533		3784	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3785	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3786	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3787	};
2546	}	3788	}
2547	};	3789	};
2548		3790
2549	unshift @INC, $LIBDIR;	3791	unshift @INC, $LIBDIR;
2550		3792
2551	my $bug_warning = 0;	3793	my $bug_warning = 0;
2552		3794
2553	$TICK_WATCHER = Event->timer (	3795	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3796	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3797
2556	prio => 0,	3798	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3799	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3800
2559	cb => sub {	3801	my $signal = new Coro::Signal;
		3802	push @WAIT_FOR_TICK, $signal;
		3803	$signal->wait;
		3804	}
		3805
		3806	sub wait_for_tick_begin {
		3807	return if tick_inhibit || $Coro::current == $Coro::main;
		3808
		3809	my $signal = new Coro::Signal;
		3810	push @WAIT_FOR_TICK_BEGIN, $signal;
		3811	$signal->wait;
		3812	}
		3813
		3814	sub tick {
2560	if ($Coro::current != $Coro::main) {	3815	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3816	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3817	unless ++$bug_warning > 10;
2563	return;	3818	return;
2564	}	3819	}
2565		3820
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3821	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3822
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3823	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3824	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3825	Coro::async_pool {
		3826	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3827	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3828	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3829	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3830	}
2592	);	3831
		3832	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3833	$sig->send;
		3834	}
		3835	while (my $sig = shift @WAIT_FOR_TICK) {
		3836	$sig->send;
		3837	}
		3838
		3839	$LOAD = ($NOW - $TICK_START) / $TICK;
		3840	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3841
		3842	if (0) {
		3843	if ($NEXT_TICK) {
		3844	my $jitter = $TICK_START - $NEXT_TICK;
		3845	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3846	warn "jitter $JITTER\n";#d#
		3847	}
		3848	}
		3849	}
2593		3850
2594	{	3851	{
2595	BDB::max_poll_time $TICK * 0.1;	3852	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3853
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3854	BDB::min_parallel 8;
2605		3855	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3856	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3857
2621	unless ($DB_ENV) {	3858	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3859	$DB_ENV = BDB::db_env_create;
		3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3865
2624	cf::sync_job {	3866	cf::sync_job {
2625	eval {	3867	eval {
2626	BDB::db_env_open	3868	BDB::db_env_open
2627	$DB_ENV,	3869	$DB_ENV,
2628	$BDB_ENV_DIR,	3870	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3871	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3872	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3873	0666;
2632		3874
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3875	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3876	};
2638		3877
2639	cf::cleanup "db_env_open(db): $@" if $@;	3878	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3879	};
2641	}	3880	}
		3881
		3882	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3883	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3884	};
		3885	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3886	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3887	};
		3888	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3889	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3890	};
2642	}	3891	}
2643		3892
2644	{	3893	{
		3894	# configure IO::AIO
		3895
2645	IO::AIO::min_parallel 8;	3896	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3897	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3898	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3899	}
		3900
		3901	my $_log_backtrace;
		3902
		3903	sub _log_backtrace {
		3904	my ($msg, @addr) = @_;
		3905
		3906	$msg =~ s/\n//;
		3907
		3908	# limit the # of concurrent backtraces
		3909	if ($_log_backtrace < 2) {
		3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
		3912	async {
		3913	$Coro::current->{desc} = "abt $msg";
		3914
		3915	my @bt = fork_call {
		3916	@addr = map { sprintf "%x", $_ } @addr;
		3917	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3918	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3919	or die "addr2line: $!";
		3920
		3921	my @funcs;
		3922	my @res = <$fh>;
		3923	chomp for @res;
		3924	while (@res) {
		3925	my ($func, $line) = splice @res, 0, 2, ();
		3926	push @funcs, "[$func] $line";
		3927	}
		3928
		3929	@funcs
		3930	};
		3931
		3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3934	LOG llevInfo, "[ABT] $_\n" for @bt;
		3935	--$_log_backtrace;
		3936	};
		3937	} else {
		3938	LOG llevInfo, "[ABT] $msg\n";
		3939	LOG llevInfo, "[ABT] [suppressed]\n";
		3940	}
		3941	}
		3942
		3943	# load additional modules
		3944	require "cf/$_.pm" for @EXTRA_MODULES;
2658		3945
2659	END { cf::emergency_save }	3946	END { cf::emergency_save }
2660		3947
2661	1	3948	1
2662		3949

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