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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
34	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
35		76
36	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
37		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		79
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		81
45	our %COMMAND = ();	82	our %COMMAND = ();
46	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
47		84
48	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
52		90
53	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	92	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		93
57	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	95	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	112	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
67		121
68	our %CFG;	122	our %CFG;
69		123
70	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
72		127
73	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		131
82	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
85	binmode STDOUT;	145	binmode STDOUT;
86	binmode STDERR;	146	binmode STDERR;
87		147
88	# read virtual server time, if available	148	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
93	}	153	}
94		154
95	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	156
97	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		159
102	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
103		161
104	sub cf::map::normalise;	162	sub cf::map::normalise;
105		163
…		…
116	=item $cf::RUNTIME	174	=item $cf::RUNTIME
117		175
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	177	every server tick.
120		178
121	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		182
123	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
125		187
126	=item $cf::NOW	188	=item $cf::NOW
127		189
128	The time of the last (current) server tick.	190	The time of the last (current) server tick.
129		191
130	=item $cf::TICK	192	=item $cf::TICK
131		193
132	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
133		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
134	=item %cf::CFG	206	=item %cf::CFG
135		207
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	209	from wherever your confdir points to.
138		210
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		212
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
145		222
146	=back	223	=back
147		224
148	=cut	225	=cut
149		226
150	BEGIN {	227	BEGIN {
151	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	229	my $msg = join "", @_;
153	utf8::encode $msg;
154		230
155	$msg .= "\n"	231	$msg .= "\n"
156	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
157		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
158	LOG llevError, $msg;	236	LOG llevError, $msg;
159	};	237	};
160	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
161		254
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		262
169	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	264	# within the Safe compartment.
171	for my $pkg (qw(	265	for my $pkg (qw(
172	cf::global cf::attachable	266	cf::global cf::attachable
173	cf::object cf::object::player	267	cf::object cf::object::player
174	cf::client cf::player	268	cf::client cf::player
175	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
176	cf::map cf::party cf::region	271	cf::party cf::region
177	)) {	272	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	274	}
181		275
182	$Event::DIED = sub {	276	$EV::DIED = sub {
183	warn "error in event callback: @_";	277	warn "error in event callback: @_";
184	};	278	};
		279
		280	#############################################################################
185		281
186	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
187		283
188	=over 4	284	=over 4
189		285
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	305	$d
210	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
211	}	307	}
212		308
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
216		310
217	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
218		312
219	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
220		314
221	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
222		316
		317	=cut
		318
		319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		320
		321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
223	=item cf::lock_wait $string	338	=item cf::lock_wait $string
224		339
225	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
226		341
227	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
228		343
229	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
232	returned.	347	returned.
233		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
234	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
236		354
237	=cut	355	=item $locked = cf::lock_active $string
238		356
239	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
240		362
241	sub lock_wait($) {	363	sub lock_wait($) {
242	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	365	}
250		366
251	sub lock_acquire($) {	367	sub lock_acquire($) {
252	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
253		370
254	# wait, to be sure we are not locked	371	sub lock_active($) {
255	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	373	}
264		374
265	sub freeze_mainloop {	375	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
267		377
268	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
270	};	439	}
271	$TICK_WATCHER->stop;	440	};
272	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
273	}	454	}
274		455
275	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
276		457
277	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		463
283	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
284		465
285	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
286		467
287	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
290		472
291	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
294	fast or be very important.	476	fast or be very important.
…		…
297		479
298	sub sync_job(&) {	480	sub sync_job(&) {
299	my ($job) = @_;	481	my ($job) = @_;
300		482
301	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
302	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
304		488
305	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	490
307	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
308		492
309	my $busy = 1;	493	my $busy = 1;
310	my @res;	494	my @res;
311		495
312	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	498	@res = eval { $job->() };
314	warn $@ if $@;	499	warn $@ if $@;
315	undef $busy;	500	undef $busy;
316	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
317		502
318	while ($busy) {	503	while ($busy) {
319	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
320	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
321		514
322	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
323	} else {	516	} else {
324	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
325		518
…		…
345	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
346		539
347	$coro	540	$coro
348	}	541	}
349		542
350	sub write_runtime {	543	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		544
353	my $runtime = cf::localdir . "/runtime";	545	Executes the given code block with the given arguments in a seperate
		546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
354		549
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	=cut
356	or return;
357		551
358	my $value = $cf::RUNTIME + 90 + 10;	552	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	553	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		554
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	# we seemingly have to make a local copy of the whole thing,
363	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
364		558
365	# always fsync - this file is important	559	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	560	reset_signals;
367	and return;	561	&$cb
		562	}, @args;
368		563
369	close $fh	564	wantarray ? @res : $res[-1]
370	or return;	565	}
371		566
372	aio_rename "$runtime~", $runtime	567	=item $coin = coin_from_name $name
373	and return;
374		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
375	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
		719	}
		720
		721	=item cf::datalog type => key => value, ...
		722
		723	Log a datalog packet of the given type with the given key-value pairs.
		724
		725	=cut
		726
		727	sub datalog($@) {
		728	my ($type, %kv) = @_;
		729	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	730	}
377		731
378	=back	732	=back
379		733
380	=cut	734	=cut
381		735
382	#############################################################################	736	#############################################################################
383		737
384	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
385		739
386	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
389		743
390	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	746	Deliantra).
393		747
394	=over 4	748	=over 4
395		749
396	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
397		751
…		…
441	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
442		796
443	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
445		799
446	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
448		802
449	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
450		804
451	=over 4	805	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
561		915
562	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		920
567	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	922	my $pkg = shift @arg;
569		923
570	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
600	}	954	}
601		955
602	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
603	} else {	957	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	959	}
606		960
607	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
608	}	962	}
609		963
…		…
611	if (ref $_[0]) {	965	if (ref $_[0]) {
612	_object_attach @_;	966	_object_attach @_;
613	} else {	967	} else {
614	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
615	}	969	}
		970	_recalc_want;
616	};	971	};
617		972
618	# all those should be optimised	973	# all those should be optimised
619	sub cf::attachable::detach {	974	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
624	reattach ($obj);	979	reattach ($obj);
625	} else {	980	} else {
626	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
627	}	982	}
		983	_recalc_want;
628	};	984	};
629		985
630	sub cf::attachable::attached {	986	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
632		988
…		…
647	";	1003	";
648	die if $@;	1004	die if $@;
649	}	1005	}
650		1006
651	our $override;	1007	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1009
654	sub override {	1010	sub override {
655	$override = 1;	1011	$override = 1;
656	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
657	}	1013	}
658		1014
659	sub do_invoke {	1015	sub do_invoke {
660	my $event = shift;	1016	my $event = shift;
661	my $callbacks = shift;	1017	my $callbacks = shift;
662		1018
663	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
664		1020
665	local $override;	1021	local $override;
666		1022
667	for (@$callbacks) {	1023	for (@$callbacks) {
668	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
677	}	1033	}
678		1034
679	0	1035	0
680	}	1036	}
681		1037
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1039
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1041
686	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
687		1043
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1047
692	=back	1048	=back
693		1049
694	=cut	1050	=cut
695		1051
696	#############################################################################	1052	#############################################################################
697	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
698		1096
699	sub reattach {	1097	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1099	my ($obj) = @_;
702		1100
		1101	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1103
705	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
706		1105
707	@$registry = ();	1106	@$registry = ();
708		1107
…		…
723	cf::attachable->attach (	1122	cf::attachable->attach (
724	prio => -1000000,	1123	prio => -1000000,
725	on_instantiate => sub {	1124	on_instantiate => sub {
726	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
727		1126
728	$data = from_json $data;	1127	$data = decode_json $data;
729		1128
730	for (@$data) {	1129	for (@$data) {
731	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
732		1131
733	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1148	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
751		1150
752	sync_job {	1151	sync_job {
753	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
756		1156
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
761	close $fh;	1164	aio_close $fh;
762		1165
763	if (@$objs) {	1166	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
769	close $fh;	1175	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
771	}	1177	}
772	} else {	1178	} else {
773	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
774	}	1180	}
775		1181
776	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1186	} else {
778	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
779	}	1188	}
780	} else {	1189	} else {
781	aio_unlink $filename;	1190	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
783	}	1192	}
784	}	1193	};
785	}	1194	}
786		1195
787	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
789		1198
…		…
801	or return;	1210	or return;
802		1211
803	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
805	or return;	1214	or return;
		1215
806	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
807	}	1218	}
808		1219
		1220	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
811	return ($data, $av);	1224	($data, $av)
812	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
813		1232
814	#############################################################################	1233	#############################################################################
815	# command handling &c	1234	# command handling &c
816		1235
817	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1250	}
832		1251
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1253
835	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
836		1259
837	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
838	called.	1261	called.
839		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
840	=cut	1274	=cut
841		1275
842	sub register_extcmd {	1276	sub register_extcmd {
843	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
844		1278
845	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
846	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
847		1289
848	cf::player->attach (	1290	cf::player->attach (
849	on_command => sub {	1291	on_command => sub {
850	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
851		1293
…		…
859	cf::override;	1301	cf::override;
860	},	1302	},
861	on_extcmd => sub {	1303	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
863		1305
864	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1307
866	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
872	} else {	1323	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1325	}
875		1326
876	cf::override;	1327	cf::override;
877	},	1328	},
878	);	1329	);
879		1330
		1331	# "readahead" all extensions
880	sub load_extension {	1332	sub cache_extensions {
881	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
882		1334
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1338	}
908	die $@;
909	}	1339	};
910		1340
911	push @EXTS, $pkg;	1341	$grp
912	}	1342	}
913		1343
914	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
915	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1349	next unless -r $path;
917	eval {	1350
918	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
919	1	1407	}
920	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
921	}	1413	};
922	}	1414	}
923		1415
924	#############################################################################	1416	#############################################################################
925		1417
		1418	=back
		1419
926	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
927		1421
928	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
929		1423
930	=cut	1424	=cut
931		1425
932	package cf::player;	1426	package cf::player;
933		1427
…		…
935		1429
936	=head3 cf::player	1430	=head3 cf::player
937		1431
938	=over 4	1432	=over 4
939		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
		1447
940	=item cf::player::find $login	1448	=item cf::player::find $login
941		1449
942	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
943		1451
944	=cut	1452	=cut
945		1453
946	sub playerdir($) {	1454	sub playerdir($) {
947	cf::localdir	1455	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1457	}
953		1458
954	sub path($) {	1459	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1461
957	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
958	}	1463	}
959		1464
960	sub find_active($) {	1465	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
965		1470
966	sub exists($) {	1471	sub exists($) {
967	my ($login) = @_;	1472	my ($login) = @_;
968		1473
969	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
971	}	1476	}
972		1477
973	sub find($) {	1478	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1480	my $login = $_[0];
976		1481
977	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
978		1483
979	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1485	# rename old playerfiles to new ones
		1486	#TODO: remove when no longer required
		1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1490	aio_unlink +(playerdir $login) . "/$login.pl";
		1491
		1492	my $f = new_from_file cf::object::thawer path $login
981	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
983	}	1501	}
984	}	1502	}
985	}	1503	}
986		1504
…		…
995	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
996		1514
997	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
999		1517
		1518	cf::get_slot 0.01;
		1519
1000	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1001	Coro::cede;	1521	cf::cede_to_tick;
1002	}	1522	}
1003		1523
1004	sub new($) {	1524	sub new($) {
1005	my ($login) = @_;	1525	my ($login) = @_;
1006		1526
…		…
1012	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1013		1533
1014	$self	1534	$self
1015	}	1535	}
1016		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1017	=item $pl->quit_character	1547	=item $pl->quit_character
1018		1548
1019	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1021		1551
…		…
1025	my ($pl) = @_;	1555	my ($pl) = @_;
1026		1556
1027	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1028		1558
1029	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1561
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1036		1568
1037	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1069		1601
1070	=cut	1602	=cut
1071		1603
1072	sub list_logins {	1604	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1606	or return [];
1075		1607
1076	my @logins;	1608	my @logins;
1077		1609
1078	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1082		1620
1083	utf8::decode $login;	1621	utf8::decode $login;
1084	push @logins, $login;	1622	push @logins, $login;
1085	}	1623	}
1086		1624
…		…
1113	}	1651	}
1114		1652
1115	\@paths	1653	\@paths
1116	}	1654	}
1117		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1119		1661
1120	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1121		1663
1122	=cut	1664	=cut
1123		1665
1124	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1126		1668
1127	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1670	}
1131		1671
1132	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1133		1712
1134	=back	1713	=back
1135
1136		1714
1137	=head3 cf::map	1715	=head3 cf::map
1138		1716
1139	=over 4	1717	=over 4
1140		1718
…		…
1152	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1154		1732
1155	sub generate_random_map {	1733	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1157	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1739	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1196		1777
1197	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1198	local $self->{path};	1779	local $self->{path};
1199	local $self->{load_path};	1780	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1781
1203	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1204	}	1783	}
1205		1784
1206	sub normalise {	1785	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1254	return $self;	1833	return $self;
1255	}	1834	}
1256	}	1835	}
1257		1836
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1838	()
1260	}	1839	}
1261		1840
1262	sub init {	1841	sub init {
1263	my ($self) = @_;	1842	my ($self) = @_;
…		…
1278		1857
1279	# the original (read-only) location	1858	# the original (read-only) location
1280	sub load_path {	1859	sub load_path {
1281	my ($self) = @_;	1860	my ($self) = @_;
1282		1861
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1284	}	1863	}
1285		1864
1286	# the temporary/swap location	1865	# the temporary/swap location
1287	sub save_path {	1866	sub save_path {
1288	my ($self) = @_;	1867	my ($self) = @_;
1289		1868
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1292	}	1871	}
1293		1872
1294	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1295	sub uniq_path {	1874	sub uniq_path {
1296	my ($self) = @_;	1875	my ($self) = @_;
1297		1876
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1300	}	1879	}
1301		1880
1302	# and all this just because we cannot iterate over	1881	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1882	my ($self) = @_;
1306		1883
1307	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1309	}	1887	}
1310		1888
1311	sub unlink_save {	1889	sub unlink_save {
1312	my ($self) = @_;	1890	my ($self) = @_;
1313		1891
…		…
1318		1896
1319	sub load_header_from($) {	1897	sub load_header_from($) {
1320	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1321		1899
1322	utf8::encode $path;	1900	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1328		1909
1329	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1330		1911
1331	1	1912	1
1332	}	1913	}
…		…
1371	$self->load_header_orig	1952	$self->load_header_orig
1372	or return;	1953	or return;
1373	$self->prepare_orig;	1954	$self->prepare_orig;
1374	}	1955	}
1375		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1376	1	1963	1
1377	}	1964	}
1378		1965
1379	sub find;	1966	sub find;
1380	sub find {	1967	sub find {
1381	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1382		1969
1383	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1384		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1386		1974
1387	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1390	or return;	1977	or return;
1391		1978
1392	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1393		1980
1394	$map->load_header	1981	$map->load_header
1395	or return;	1982	or return;
1396		1983
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1400	$map->reset;	1989	$map->reset;
1401	undef $guard;
1402	return find $path;	1990	return find $path;
1403	}	1991	}
1404		1992
1405	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1406	}	1994	}
…		…
1413	my ($self) = @_;	2001	my ($self) = @_;
1414		2002
1415	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1416		2004
1417	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1419		2009
		2010	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2012
1422	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1423		2014
1424	$self->alloc;	2015	$self->alloc;
1425		2016
1426	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1427		2019
1428	$self->_load_objects ($self->{load_path}, 1)	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
		2022	$self->_load_objects ($f)
1429	or return;	2023	or return;
1430		2024
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1432	if delete $self->{load_original};	2026	if delete $self->{load_original};
1433		2027
1434	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2029	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2032	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1439	}	2036	}
1440	}	2037	}
1441		2038
1442	Coro::cede;	2039	$f->resolve_delayed_derefs;
1443		2040
		2041	cf::cede_to_tick;
1444	# now do the right thing for maps	2042	# now do the right thing for maps
1445	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2045	unless $self->difficulty;
1455	Coro::cede;	2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1456	$self->activate;	2053	$self->activate;
		2054	}
		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
		2059	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2060	}
1458		2061
1459	$self->post_load;	2062	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2063	}
1463		2064
1464	sub customise_for {	2065	sub customise_for {
1465	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1466		2067
1467	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2069	if $self->per_player;
1469		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1470	$self	2074	$self
1471	}	2075	}
1472		2076
1473	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2078	sub load_neighbours {
1475	my ($map) = @_;	2079	my ($map) = @_;
1476		2080
1477	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1478		2082
1479	for (0 .. 3) {	2083	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1481	or next;	2085	or next;
1482	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1483	or next;	2087	or next;
1484	$neigh->load;	2088	$neigh->load;
1485		2089
		2090	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2093	}
1489		2094
1490	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1492	or next;	2098	or next;
1493	$neigh->load;	2099	$neigh->load;
1494	}	2100	}
1495	}	2101	}
1496		2102
…		…
1501	}	2107	}
1502		2108
1503	sub do_load_sync {	2109	sub do_load_sync {
1504	my ($map) = @_;	2110	my ($map) = @_;
1505		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1506	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1507	}	2116	}
1508		2117
1509	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1511		2120
1512	sub find_async {	2121	sub find_async {
1513	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1514		2123
1515	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1516		2125
1517	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2128	}
1520		2129
1521	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1522	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1523	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2137	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2138	$map->load if $v;
		2139	}
1528		2140
1529	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1530	}	2142	}
1531	}	2143	}
1532	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1533	};	2145	};
1534	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2149	}
1538		2150
1539	sub save {	2151	sub save {
1540	my ($self) = @_;	2152	my ($self) = @_;
1541		2153
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2155
1544	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1545		2157
1546	return unless $self->dirty;	2158	return unless $self->dirty;
1547		2159
…		…
1553	return if $self->{deny_save};	2165	return if $self->{deny_save};
1554		2166
1555	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1556		2168
1557	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1559	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1560		2175
1561	if ($uniq) {	2176	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2179	} else {
…		…
1570	my ($self) = @_;	2185	my ($self) = @_;
1571		2186
1572	# save first because save cedes	2187	# save first because save cedes
1573	$self->save;	2188	$self->save;
1574		2189
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2191
1577	return if $self->players;	2192	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2194	return if $self->{deny_save};
1580		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2200	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2201	}
1584		2202
1585	sub reset_at {	2203	sub reset_at {
1586	my ($self) = @_;	2204	my ($self) = @_;
1587		2205
1588	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1591		2208
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2211
…		…
1605	my ($self) = @_;	2222	my ($self) = @_;
1606		2223
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2225
1609	return if $self->players;	2226	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2227
1612	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1613		2229
1614	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1615		2231
1616	# need to save uniques path	2232	# need to save uniques path
1617	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2237	if $uniq;
1622	}	2238	}
1623		2239
1624	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1625		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2244	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2245
1630	$self->unlink_save;	2246	$self->unlink_save;
1631	$self->destroy;	2247	$self->destroy;
1632	}	2248	}
1633		2249
1634	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1635		2251
1636	sub nuke {	2252	sub nuke {
1637	my ($self) = @_;	2253	my ($self) = @_;
1638		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1639	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1640		2259
1641	$self->unlink_save;	2260	$self->unlink_save;
1642		2261
1643	bless $self, "cf::map";	2262	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2267
1649	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1650		2270
1651	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1652	}	2308	}
1653		2309
1654	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1655		2311
1656	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2313	instantiated unique items. May block.
1658		2314
1659	=cut	2315	=cut
1660		2316
1661	sub unique_maps() {	2317	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1663	or return;	2319	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2320	utf8::decode $_;
1669	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2323	? ()
1672	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2326	]
1674
1675	\@paths
1676	}	2327	}
1677
1678	package cf;
1679		2328
1680	=back	2329	=back
1681		2330
1682	=head3 cf::object	2331	=head3 cf::object
1683		2332
…		…
1687		2336
1688	=over 4	2337	=over 4
1689		2338
1690	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1691		2340
1692	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1693		2343
1694	=cut	2344	=cut
1695		2345
1696	sub inv_recursive_;	2346	sub inv_recursive_;
1697	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1700		2350
1701	sub inv_recursive {	2351	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1703	}	2353	}
1704		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1705	package cf;	2383	package cf;
1706		2384
1707	=back	2385	=back
1708		2386
1709	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1718		2396
1719	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1720		2412
1721	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2414	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1726		2418
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2420
1729	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1731	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1734	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1735	}	2446	}
1736		2447
1737	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1738		2449
1739	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1752		2463
1753	=item $player_object->enter_link	2464	=item $player_object->enter_link
1754		2465
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2467
1757	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1759		2472
1760	Will never block.	2473	Will never block.
1761		2474
1762	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1763		2476
…		…
1786	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1787		2500
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2502
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1792		2505
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2507	}
1795		2508
1796	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1798		2513
1799	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1800		2515
1801	unless ($map) {	2516	unless ($map) {
1802	# restore original map position	2517	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1819		2534
1820	$map->load;	2535	$map->load;
1821	$map->load_diag;	2536	$map->load_neighbours;
1822		2537
1823	return unless $self->contr->active;	2538	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2539
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1828	}
1829		2542
1830	cf::player->attach (	2543	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2544	$self->activate_recursive;
1832	my ($pl) = @_;	2545	}
1833		2546
1834	# abort map switching before logout	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2548
1844	# try to abort aborted map switching on player login :)	2549	Moves the player to the given map-path and coordinates by first freezing
1845	# should happen only on crashes	2550	her, loading and preparing them map, calling the provided $check callback
1846	if ($pl->ob->{_link_pos}) {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1847	$pl->ob->enter_link;	2552	the new (success) or old (failed) map position. In either case, $done will
1848	(async {	2553	be called at the end of this process.
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2554
1862	=item $player_object->goto ($path, $x, $y)	2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
1863		2557
1864	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1865		2561
1866	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2567
1869	$self->enter_link;	2568	$self->enter_link;
1870		2569
1871	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1872	my $map = eval {	2592	my $map = eval {
1873	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1875	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2608	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1880	})->prio (1);	2616	})->prio (1);
1881	}	2617	}
1882		2618
1883	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1884		2620
…		…
1904	}	2640	}
1905		2641
1906	sub prepare_random_map {	2642	sub prepare_random_map {
1907	my ($exit) = @_;	2643	my ($exit) = @_;
1908		2644
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2647	# that depends on the exit object
1914		2648
1915	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2651	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1922	}	2658	}
1923		2659
1924	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1925		2661
1926	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1929		2665
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2668	undef $fh;
1933	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1934		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1937	}	2677	}
1938	}	2678	}
1939		2679
1940	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1942		2682
1943	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1944		2684
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2685	$self->enter_link;
1955		2686
1956	(async {	2687	(async {
1957	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1958	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
1959	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1960		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
1961	1;	2711	1
1962	}) {	2712	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2717
1968	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2719	$self->leave_link;
1970	}	2720	}
1971	})->prio (1);	2721	})->prio (1);
…		…
1987		2737
1988	utf8::encode $text;	2738	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2740	}
1991		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
		2851	);
		2852
		2853	sub cf::client::send_msg {
		2854	my ($self, $channel, $msg, $color, @extra) = @_;
		2855
		2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
		2858
		2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2860
		2861	# check predefined channels, for the benefit of C
		2862	if ($CHANNEL{$channel}) {
		2863	$channel = $CHANNEL{$channel};
		2864
		2865	$self->ext_msg (channel_info => $channel);
		2866	$channel = $channel->{id};
		2867
		2868	} elsif (ref $channel) {
		2869	# send meta info to client, if not yet sent
		2870	unless (exists $self->{channel}{$channel->{id}}) {
		2871	$self->{channel}{$channel->{id}} = $channel;
		2872	$self->ext_msg (channel_info => $channel);
		2873	}
		2874
		2875	$channel = $channel->{id};
		2876	}
		2877
		2878	return unless @extra || length $msg;
		2879
		2880	# default colour, mask it out
		2881	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2882	if $color & cf::NDI_DEF;
		2883
		2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
		2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2887	);
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if (8192 < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
1992		2936
1993	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1994		2938
1995	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2942
1999	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2944	become reliable at some point in the future.
2001		2945
2002	=cut	2946	=cut
2003		2947
2004	sub cf::client::query {	2948	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2957	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2959
2016	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2018	}	2964	}
2019		2965
2020	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2021	on_reply => sub {	2972	on_reply => sub {
2022	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2023		2974
2024	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2025	# get handled first	2976	# get handled first
…		…
2037	} else {	2988	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2990	}
2040	}	2991	}
2041	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2042	);	3019	);
2043		3020
2044	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2045		3022
2046	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2089		3066
2090	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2091		3068
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2093		3074
2094	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2095		3076
2096	=pod	3077	=pod
2097		3078
2098	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2099		3080
2100	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084	value
		3085
2101	cf::object::player player	3086	cf::object::player
2102	cf::player peaceful	3087	player
2103	cf::map trigger	3088
		3089	cf::player
		3090	peaceful
		3091
		3092	cf::map
		3093	trigger
2104		3094
2105	=cut	3095	=cut
2106		3096
2107	for (	3097	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3099	insert remove inv nrof name archname title slaying race
		3100	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
2112	) {	3104	) {
2113	no strict 'refs';	3105	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2132	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
2133		3125
2134	my $qcode = $code;	3126	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
2137		3131
2138	local $_;	3132	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
2140		3134
2141	my $eval =	3135	my $eval =
…		…
2184	=back	3178	=back
2185		3179
2186	=cut	3180	=cut
2187		3181
2188	#############################################################################	3182	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3183	# the server's init and main functions
2262		3184
2263	sub load_faces {	3185	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3186	my ($path) = @_;
2265		3187
		3188	# HACK to clear player env face cache, we need some signal framework
		3189	# for this (global event?)
		3190	%ext::player_env::MUSIC_FACE_CACHE = ();
		3191
		3192	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3193
2266	warn "loading faces from $path\n";	3194	warn "loading facedata from $path\n";
2267		3195
2268	my $faces;	3196	my $facedata;
2269	0 < aio_load $path, $faces	3197	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3198	or die "$path: $!";
2271		3199
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3200	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3201
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3202	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3203	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3204
		3205	# patch in the exptable
		3206	$facedata->{resource}{"res/exp_table"} = {
		3207	type => FT_RSRC,
		3208	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3209	};
		3210	cf::cede_to_tick;
		3211
		3212	{
		3213	my $faces = $facedata->{faceinfo};
		3214
2280	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3217
		3218	cf::face::set_visibility $idx, $info->{visibility};
		3219	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3222
		3223	cf::cede_to_tick;
		3224	}
		3225
2287	while (my ($face, $info) = each %$faces) {	3226	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3227	next unless $info->{smooth};
		3228
2289	my $idx = cf::face::find $face	3229	my $idx = cf::face::find $face
2290	or next;	3230	or next;
		3231
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3232	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3233	cf::face::set_smooth $idx, $smooth;
		3234	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3235	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3236	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3237	}
2296	Coro::cede;	3238
		3239	cf::cede_to_tick;
		3240	}
		3241	}
		3242
2297	}	3243	{
		3244	my $anims = $facedata->{animinfo};
		3245
		3246	while (my ($anim, $info) = each %$anims) {
		3247	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3248	cf::cede_to_tick;
		3249	}
		3250
		3251	cf::anim::invalidate_all; # d'oh
		3252	}
		3253
		3254	{
		3255	# TODO: for gcfclient pleasure, we should give resources
		3256	# that gcfclient doesn't grok a >10000 face index.
		3257	my $res = $facedata->{resource};
		3258
		3259	while (my ($name, $info) = each %$res) {
		3260	if (defined $info->{type}) {
		3261	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3262	my $data;
		3263
		3264	if ($info->{type} & 1) {
		3265	# prepend meta info
		3266
		3267	my $meta = $enc->encode ({
		3268	name => $name,
		3269	%{ $info->{meta} || {} },
		3270	});
		3271
		3272	$data = pack "(w/a*)*", $meta, $info->{data};
		3273	} else {
		3274	$data = $info->{data};
		3275	}
		3276
		3277	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3278	cf::face::set_type $idx, $info->{type};
		3279	} else {
		3280	$RESOURCE{$name} = $info;
		3281	}
		3282
		3283	cf::cede_to_tick;
		3284	}
		3285	}
		3286
		3287	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3288
2299	1	3289	1
2300	}	3290	}
2301		3291
		3292	cf::global->attach (on_resource_update => sub {
		3293	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3294	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3295
		3296	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3297	my $sound = $soundconf->{compat}[$_]
		3298	or next;
		3299
		3300	my $face = cf::face::find "sound/$sound->[1]";
		3301	cf::sound::set $sound->[0] => $face;
		3302	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3303	}
		3304
		3305	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3306	my $face = cf::face::find "sound/$v";
		3307	cf::sound::set $k => $face;
		3308	}
		3309	}
		3310	});
		3311
		3312	register_exticmd fx_want => sub {
		3313	my ($ns, $want) = @_;
		3314
		3315	while (my ($k, $v) = each %$want) {
		3316	$ns->fx_want ($k, $v);
		3317	}
		3318	};
		3319
		3320	sub load_resource_file($) {
		3321	my $guard = lock_acquire "load_resource_file";
		3322
		3323	my $status = load_resource_file_ $_[0];
		3324	get_slot 0.1, 100;
		3325	cf::arch::commit_load;
		3326
		3327	$status
		3328	}
		3329
		3330	sub reload_regions {
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	load_resource_file "$MAPDIR/regions"
		3336	or die "unable to load regions file\n";
		3337
		3338	for (cf::region::list) {
		3339	$_->{match} = qr/$_->{match}/
		3340	if exists $_->{match};
		3341	}
		3342	}
		3343
		3344	sub reload_facedata {
		3345	load_facedata "$DATADIR/facedata"
		3346	or die "unable to load facedata\n";
		3347	}
		3348
		3349	sub reload_archetypes {
		3350	load_resource_file "$DATADIR/archetypes"
		3351	or die "unable to load archetypes\n";
		3352	}
		3353
		3354	sub reload_treasures {
		3355	load_resource_file "$DATADIR/treasures"
		3356	or die "unable to load treasurelists\n";
		3357	}
		3358
2302	sub reload_resources {	3359	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3360	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3361
2305	load_faces	3362	reload_facedata;
2306	or die "unable to load faces\n";#d#	3363	reload_archetypes;
2307	}
2308
2309	sub init {
2310	reload_resources;	3364	reload_regions;
2311	}	3365	reload_treasures;
2312		3366
2313	sub cfg_load {	3367	warn "finished reloading resource files\n";
		3368	}
		3369
		3370	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3372	or return;
2316		3373
2317	local $/;	3374	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2319		3376
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3378
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2329	};	3386	};
2330	warn $@ if $@;	3387	warn $@ if $@;
2331	}	3388	}
2332	}	3389	}
2333		3390
		3391	sub pidfile() {
		3392	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
		3417	}
		3418
2334	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
2335	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3437	(async {
2339	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2341	};	3441	};
2342		3442
2343	cfg_load;	3443	evthread_start IO::AIO::poll_fileno;
		3444
		3445	cf::sync_job {
		3446	reload_resources;
		3447	reload_config;
2344	db_init;	3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
2345	load_extensions;	3461	load_extensions;
2346		3462
2347	$TICK_WATCHER->start;	3463	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
		3470	};
		3471
		3472	main_loop;
2349	}	3473	}
2350		3474
2351	#############################################################################	3475	#############################################################################
2352	# initialisation and cleanup	3476	# initialisation and cleanup
2353		3477
2354	# install some emergency cleanup handlers	3478	# install some emergency cleanup handlers
2355	BEGIN {	3479	BEGIN {
		3480	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3481	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3483	cf::cleanup "SIG$signal";
2364	},
2365	);	3484	};
		3485	}
		3486	}
		3487
		3488	sub write_runtime_sync {
		3489	# first touch the runtime file to show we are still running:
		3490	# the fsync below can take a very very long time.
		3491
		3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3493
		3494	my $guard = cf::lock_acquire "write_runtime";
		3495
		3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3497	or return;
		3498
		3499	my $value = $cf::RUNTIME + 90 + 10;
		3500	# 10 is the runtime save interval, for a monotonic clock
		3501	# 60 allows for the watchdog to kill the server.
		3502
		3503	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3504	and return;
		3505
		3506	# always fsync - this file is important
		3507	aio_fsync $fh
		3508	and return;
		3509
		3510	# touch it again to show we are up-to-date
		3511	aio_utime $fh, undef, undef;
		3512
		3513	close $fh
		3514	or return;
		3515
		3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3517	and return;
		3518
		3519	warn "runtime file written.\n";
		3520
2366	}	3521	1
		3522	}
		3523
		3524	our $uuid_lock;
		3525	our $uuid_skip;
		3526
		3527	sub write_uuid_sync($) {
		3528	$uuid_skip ||= $_[0];
		3529
		3530	return if $uuid_lock;
		3531	local $uuid_lock = 1;
		3532
		3533	my $uuid = "$LOCALDIR/uuid";
		3534
		3535	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3536	or return;
		3537
		3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
		3546	$uuid_skip = 0;
		3547
		3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3549	and return;
		3550
		3551	# always fsync - this file is important
		3552	aio_fsync $fh
		3553	and return;
		3554
		3555	close $fh
		3556	or return;
		3557
		3558	aio_rename "$uuid~", $uuid
		3559	and return;
		3560
		3561	warn "uuid file written ($value).\n";
		3562
		3563	1
		3564
		3565	}
		3566
		3567	sub write_uuid($$) {
		3568	my ($skip, $sync) = @_;
		3569
		3570	$sync ? write_uuid_sync $skip
		3571	: async { write_uuid_sync $skip };
2367	}	3572	}
2368		3573
2369	sub emergency_save() {	3574	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
2371		3576
2372	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
2373		3578
2374	cf::sync_job {	3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
2375	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3593	$pl->save;
2383	}	3594	}
2384	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
2385		3596
2386	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3600	$map->valid or next;
2390	$map->save;	3601	$map->save;
2391	}	3602	}
2392	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
2393		3604
2394	warn "begin emergency database checkpoint\n";	3605	warn "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3606	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
2397	};	3612	};
2398		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
2399	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
2400	}	3620	}
2401		3621
2402	sub post_cleanup {	3622	sub post_cleanup {
2403	my ($make_core) = @_;	3623	my ($make_core) = @_;
2404		3624
2405	warn Carp::longmess "post_cleanup backtrace"	3625	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3626	if $make_core;
2407	}
2408		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
		3656	}
		3657
2409	sub reload() {	3658	sub do_reload_perl() {
2410	# can/must only be called in main	3659	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
2413	return;	3662	return;
2414	}	3663	}
2415		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
2416	warn "reloading...";	3670	warn "reloading...";
2417		3671
2418	warn "entering sync_job";	3672	warn "entering sync_job";
2419		3673
2420	cf::sync_job {	3674	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3676	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3677	cf::write_runtime_sync; # external watchdog should not bark
2424		3678
2425	warn "syncing database to disk";	3679	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3681
2428	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
2429		3683
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3685	while (IO::AIO::nreqs || BDB::nreqs) {
2441	warn "iterate...";	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();
2449
2450	warn "removing commands";
2451	%COMMAND = ();
2452
2453	warn "removing ext commands";
2454	%EXTCMD = ();
2455
2456	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";
2459
2460	if (my $cb = $pkg->can ("unload")) {
2461	eval {
2462	$cb->($pkg);
2463	1
2464	} or warn "$pkg unloaded, but with errors: $@";
2465	}	3687	}
2466		3688
2467	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
2468	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
2469	}	3691	%EXT_CORO = ();
2470		3692
2471	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
2472	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
2475	warn "... unloading $k";	3702	warn "... unloading $pkg";
2476	delete $INC{$k};
2477		3703
2478	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;
2480
2481	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
2482	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
2483	}	3713	}
2484		3714
2485	Symbol::delete_package $k;	3715	warn "unloading all perl modules loaded from $LIBDIR";
		3716	while (my ($k, $v) = each %INC) {
		3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
2486	}	3730	}
2487		3731
2488	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3735
2492	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
		3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3739
2495	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3741	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
2498		3743
2499	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
2500		3745
2501	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
2502	require cf;	3747	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3749
2505	warn "loading config and database again";	3750	warn "loading config and database again";
2506	cf::cfg_load;	3751	cf::reload_config;
2507		3752
2508	warn "loading extensions";	3753	warn "loading extensions";
2509	cf::load_extensions;	3754	cf::load_extensions;
2510		3755
		3756	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3758	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3761	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3762	reattach $_ for values %PLAYER;
		3763	}
2517		3764
2518	warn "loading reloadable resources";	3765	warn "running post_init jobs";
2519	reload_resources;	3766	(pop @POST_INIT)->(1) while @POST_INIT;
2520		3767
2521	warn "leaving sync_job";	3768	warn "leaving sync_job";
2522		3769
2523	1	3770	1
2524	} or do {	3771	} or do {
2525	warn $@;	3772	warn $@;
2526	warn "error while reloading, exiting.";	3773	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	3774	};
		3775
		3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
		3782	};
		3783
		3784	our $RELOAD_WATCHER; # used only during reload
		3785
		3786	sub reload_perl() {
		3787	# doing reload synchronously and two reloads happen back-to-back,
		3788	# coro crashes during coro_state_free->destroy here.
		3789
		3790	$RELOAD_WATCHER ||= cf::async {
		3791	Coro::AIO::aio_wait cache_extensions;
		3792
		3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3794	do_reload_perl;
		3795	undef $RELOAD_WATCHER;
		3796	};
2528	};	3797	};
2529		3798	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3799
2535	register_command "reload" => sub {	3800	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
2537		3802
2538	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3804	$who->message ("reloading server.");
2540		3805	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3806	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3807	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3808	};
2553	}	3809	}
2554	};	3810	};
2555		3811
2556	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
2557		3813
2558	my $bug_warning = 0;	3814	my $bug_warning = 0;
2559		3815
2560	$TICK_WATCHER = Event->timer (	3816	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3817	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3818
2563	prio => 0,	3819	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3820	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3821
2566	cb => sub {	3822	my $signal = new Coro::Signal;
		3823	push @WAIT_FOR_TICK, $signal;
		3824	$signal->wait;
		3825	}
		3826
		3827	sub wait_for_tick_begin {
		3828	return if tick_inhibit || $Coro::current == $Coro::main;
		3829
		3830	my $signal = new Coro::Signal;
		3831	push @WAIT_FOR_TICK_BEGIN, $signal;
		3832	$signal->wait;
		3833	}
		3834
		3835	sub tick {
2567	if ($Coro::current != $Coro::main) {	3836	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3838	unless ++$bug_warning > 10;
2570	return;	3839	return;
2571	}	3840	}
2572		3841
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3843
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3846	Coro::async_pool {
		3847	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3848	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3849	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3850	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3851	}
2599	);	3852
		3853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3854	$sig->send;
		3855	}
		3856	while (my $sig = shift @WAIT_FOR_TICK) {
		3857	$sig->send;
		3858	}
		3859
		3860	$LOAD = ($NOW - $TICK_START) / $TICK;
		3861	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3862
		3863	if (0) {
		3864	if ($NEXT_TICK) {
		3865	my $jitter = $TICK_START - $NEXT_TICK;
		3866	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3867	warn "jitter $JITTER\n";#d#
		3868	}
		3869	}
		3870	}
2600		3871
2601	{	3872	{
2602	BDB::max_poll_time $TICK * 0.1;	3873	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3874
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3875	BDB::min_parallel 8;
2612		3876	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3877	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3878
2628	unless ($DB_ENV) {	3879	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3880	$DB_ENV = BDB::db_env_create;
		3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3886
2631	cf::sync_job {	3887	cf::sync_job {
2632	eval {	3888	eval {
2633	BDB::db_env_open	3889	BDB::db_env_open
2634	$DB_ENV,	3890	$DB_ENV,
2635	$BDB_ENV_DIR,	3891	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3892	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3893	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3894	0666;
2639		3895
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3896	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3897	};
2645		3898
2646	cf::cleanup "db_env_open(db): $@" if $@;	3899	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3900	};
2648	}	3901	}
		3902
		3903	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3904	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3905	};
		3906	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3907	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3908	};
		3909	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3910	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3911	};
2649	}	3912	}
2650		3913
2651	{	3914	{
		3915	# configure IO::AIO
		3916
2652	IO::AIO::min_parallel 8;	3917	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3918	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3919	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3920	}
		3921
		3922	my $_log_backtrace;
		3923
		3924	sub _log_backtrace {
		3925	my ($msg, @addr) = @_;
		3926
		3927	$msg =~ s/\n//;
		3928
		3929	# limit the # of concurrent backtraces
		3930	if ($_log_backtrace < 2) {
		3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
		3933	async {
		3934	$Coro::current->{desc} = "abt $msg";
		3935
		3936	my @bt = fork_call {
		3937	@addr = map { sprintf "%x", $_ } @addr;
		3938	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3939	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3940	or die "addr2line: $!";
		3941
		3942	my @funcs;
		3943	my @res = <$fh>;
		3944	chomp for @res;
		3945	while (@res) {
		3946	my ($func, $line) = splice @res, 0, 2, ();
		3947	push @funcs, "[$func] $line";
		3948	}
		3949
		3950	@funcs
		3951	};
		3952
		3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3955	LOG llevInfo, "[ABT] $_\n" for @bt;
		3956	--$_log_backtrace;
		3957	};
		3958	} else {
		3959	LOG llevInfo, "[ABT] $msg\n";
		3960	LOG llevInfo, "[ABT] [suppressed]\n";
		3961	}
		3962	}
		3963
		3964	# load additional modules
		3965	require "cf/$_.pm" for @EXTRA_MODULES;
2665		3966
2666	END { cf::emergency_save }	3967	END { cf::emergency_save }
2667		3968
2668	1	3969	1
2669		3970

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