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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.475 by root, Tue Jul 21 06:17:00 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"
376	}	719	}
377		720
378	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
379		722
380	Log a datalog packet of the given type with the given key-value pairs.	723	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		735
393	#############################################################################	736	#############################################################################
394		737
395	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
396		739
397	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
398	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")
399	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
400		743
401	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>
402	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
403	crossfire+).	746	Deliantra).
404		747
405	=over 4	748	=over 4
406		749
407	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
408		751
…		…
452	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
453		796
454	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
456		799
457	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		802
460	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
461		804
462	=over 4	805	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
572		915
573	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		920
578	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	922	my $pkg = shift @arg;
580		923
581	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
611	}	954	}
612		955
613	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
614	} else {	957	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	959	}
617		960
618	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
619	}	962	}
620		963
…		…
622	if (ref $_[0]) {	965	if (ref $_[0]) {
623	_object_attach @_;	966	_object_attach @_;
624	} else {	967	} else {
625	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
626	}	969	}
		970	_recalc_want;
627	};	971	};
628		972
629	# all those should be optimised	973	# all those should be optimised
630	sub cf::attachable::detach {	974	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
635	reattach ($obj);	979	reattach ($obj);
636	} else {	980	} else {
637	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
638	}	982	}
		983	_recalc_want;
639	};	984	};
640		985
641	sub cf::attachable::attached {	986	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
643		988
…		…
658	";	1003	";
659	die if $@;	1004	die if $@;
660	}	1005	}
661		1006
662	our $override;	1007	our $override;
663	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?
664		1009
665	sub override {	1010	sub override {
666	$override = 1;	1011	$override = 1;
667	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
668	}	1013	}
669		1014
670	sub do_invoke {	1015	sub do_invoke {
671	my $event = shift;	1016	my $event = shift;
672	my $callbacks = shift;	1017	my $callbacks = shift;
673		1018
674	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
675		1020
676	local $override;	1021	local $override;
677		1022
678	for (@$callbacks) {	1023	for (@$callbacks) {
679	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
688	}	1033	}
689		1034
690	0	1035	0
691	}	1036	}
692		1037
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1039
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1041
697	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
698		1043
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1047
703	=back	1048	=back
704		1049
705	=cut	1050	=cut
706		1051
707	#############################################################################	1052	#############################################################################
708	# 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, $ob2
		1095	}
709		1096
710	sub reattach {	1097	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1099	my ($obj) = @_;
713		1100
		1101	# no longer needed after getting rid of delete_package?
714	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
715		1103
716	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
717		1105
718	@$registry = ();	1106	@$registry = ();
719		1107
…		…
734	cf::attachable->attach (	1122	cf::attachable->attach (
735	prio => -1000000,	1123	prio => -1000000,
736	on_instantiate => sub {	1124	on_instantiate => sub {
737	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
738		1126
739	$data = from_json $data;	1127	$data = decode_json $data;
740		1128
741	for (@$data) {	1129	for (@$data) {
742	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
743		1131
744	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1148	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
762		1150
763	sync_job {	1151	sync_job {
764	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
767		1156
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1164	aio_close $fh;
773		1165
774	if (@$objs) {	1166	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1175	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
782	}	1177	}
783	} else {	1178	} else {
784	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
785	}	1180	}
786		1181
787	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1186	} else {
789	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
790	}	1188	}
791	} else {	1189	} else {
792	aio_unlink $filename;	1190	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
794	}	1192	}
795	}	1193	};
796	}	1194	}
797		1195
798	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
800		1198
…		…
812	or return;	1210	or return;
813		1211
814	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
816	or return;	1214	or return;
		1215
817	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
818	}	1218	}
819		1219
		1220	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
822	return ($data, $av);	1224	($data, $av)
823	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
824		1232
825	#############################################################################	1233	#############################################################################
826	# command handling &c	1234	# command handling &c
827		1235
828	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1250	}
843		1251
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1253
846	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.
847		1259
848	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
849	called.	1261	called.
850		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
851	=cut	1274	=cut
852		1275
853	sub register_extcmd {	1276	sub register_extcmd {
854	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
855		1278
856	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
857	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
858		1289
859	cf::player->attach (	1290	cf::player->attach (
860	on_command => sub {	1291	on_command => sub {
861	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
862		1293
…		…
870	cf::override;	1301	cf::override;
871	},	1302	},
872	on_extcmd => sub {	1303	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
874		1305
875	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1307
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
883	} else {	1323	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1325	}
886		1326
887	cf::override;	1327	cf::override;
888	},	1328	},
889	);	1329	);
890		1330
		1331	# "readahead" all extensions
891	sub load_extension {	1332	sub cache_extensions {
892	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
893		1334
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1338	}
919	die $@;
920	}	1339	};
921		1340
922	push @EXTS, $pkg;	1341	$grp
923	}	1342	}
924		1343
925	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
926	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1349	next unless -r $path;
928	eval {	1350
929	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	$progress = 1;
930	1	1407	}
931	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
932	}	1413	};
933	}	1414	}
934		1415
935	#############################################################################	1416	#############################################################################
936		1417
		1418	=back
		1419
937	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
938		1421
939	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
940		1423
941	=cut	1424	=cut
942		1425
943	package cf::player;	1426	package cf::player;
944		1427
…		…
946		1429
947	=head3 cf::player	1430	=head3 cf::player
948		1431
949	=over 4	1432	=over 4
950		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
951	=item cf::player::find $login	1448	=item cf::player::find $login
952		1449
953	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
954		1451
955	=cut	1452	=cut
956		1453
957	sub playerdir($) {	1454	sub playerdir($) {
958	cf::localdir	1455	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1457	}
964		1458
965	sub path($) {	1459	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1461
968	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
969	}	1463	}
970		1464
971	sub find_active($) {	1465	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
976		1470
977	sub exists($) {	1471	sub exists($) {
978	my ($login) = @_;	1472	my ($login) = @_;
979		1473
980	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
982	}	1476	}
983		1477
984	sub find($) {	1478	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1480	my $login = $_[0];
987		1481
988	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
989		1483
990	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
994	}	1501	}
995	}	1502	}
996	}	1503	}
997		1504
…		…
1006	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1007		1514
1008	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1010		1517
		1518	cf::get_slot 0.01;
		1519
1011	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1012	Coro::cede;	1521	cf::cede_to_tick;
1013	}	1522	}
1014		1523
1015	sub new($) {	1524	sub new($) {
1016	my ($login) = @_;	1525	my ($login) = @_;
1017		1526
…		…
1023	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1024		1533
1025	$self	1534	$self
1026	}	1535	}
1027		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
1028	=item $pl->quit_character	1547	=item $pl->quit_character
1029		1548
1030	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1032		1551
…		…
1036	my ($pl) = @_;	1555	my ($pl) = @_;
1037		1556
1038	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1039		1558
1040	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1041	$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
1042		1561
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1047		1568
1048	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1080		1601
1081	=cut	1602	=cut
1082		1603
1083	sub list_logins {	1604	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1606	or return [];
1086		1607
1087	my @logins;	1608	my @logins;
1088		1609
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1093		1620
1094	utf8::decode $login;	1621	utf8::decode $login;
1095	push @logins, $login;	1622	push @logins, $login;
1096	}	1623	}
1097		1624
…		…
1124	}	1651	}
1125		1652
1126	\@paths	1653	\@paths
1127	}	1654	}
1128		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1129	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1130		1661
1131	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1132		1663
1133	=cut	1664	=cut
1134		1665
1135	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1137		1668
1138	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1670	}
1142		1671
1143	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1144		1673
1145	Sends an ext event to the client.	1674	Sends an ext event to the client.
1146		1675
1147	=cut	1676	=cut
1148		1677
1149	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1151		1680
1152	delete $msg{msgid};	1681	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1682	}
1158		1683
1159	package cf;	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	}
1160		1712
1161	=back	1713	=back
1162
1163		1714
1164	=head3 cf::map	1715	=head3 cf::map
1165		1716
1166	=over 4	1717	=over 4
1167		1718
…		…
1179	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1181		1732
1182	sub generate_random_map {	1733	sub generate_random_map {
1183	my ($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
1184	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1739	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1222	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1223		1777
1224	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1225	local $self->{path};	1779	local $self->{path};
1226	local $self->{load_path};	1780	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1781
1230	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1231	}	1783	}
1232		1784
1233	sub normalise {	1785	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1281	return $self;	1833	return $self;
1282	}	1834	}
1283	}	1835	}
1284		1836
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1838	()
1287	}	1839	}
1288		1840
1289	sub init {	1841	sub init {
1290	my ($self) = @_;	1842	my ($self) = @_;
…		…
1305		1857
1306	# the original (read-only) location	1858	# the original (read-only) location
1307	sub load_path {	1859	sub load_path {
1308	my ($self) = @_;	1860	my ($self) = @_;
1309		1861
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1311	}	1863	}
1312		1864
1313	# the temporary/swap location	1865	# the temporary/swap location
1314	sub save_path {	1866	sub save_path {
1315	my ($self) = @_;	1867	my ($self) = @_;
1316		1868
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1319	}	1871	}
1320		1872
1321	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1322	sub uniq_path {	1874	sub uniq_path {
1323	my ($self) = @_;	1875	my ($self) = @_;
1324		1876
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1327	}	1879	}
1328		1880
1329	# and all this just because we cannot iterate over	1881	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	1882	my ($self) = @_;
1333		1883
1334	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1336	}	1887	}
1337		1888
1338	sub unlink_save {	1889	sub unlink_save {
1339	my ($self) = @_;	1890	my ($self) = @_;
1340		1891
…		…
1345		1896
1346	sub load_header_from($) {	1897	sub load_header_from($) {
1347	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1348		1899
1349	utf8::encode $path;	1900	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	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;
1355		1909
1356	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1357		1911
1358	1	1912	1
1359	}	1913	}
…		…
1398	$self->load_header_orig	1952	$self->load_header_orig
1399	or return;	1953	or return;
1400	$self->prepare_orig;	1954	$self->prepare_orig;
1401	}	1955	}
1402		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 $self->default_region;
		1962
1403	1	1963	1
1404	}	1964	}
1405		1965
1406	sub find;	1966	sub find;
1407	sub find {	1967	sub find {
1408	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1409		1969
1410	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1411		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1413		1974
1414	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1417	or return;	1977	or return;
1418		1978
1419	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1420		1980
1421	$map->load_header	1981	$map->load_header
1422	or return;	1982	or return;
1423		1983
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1427	$map->reset;	1989	$map->reset;
1428	undef $guard;
1429	return find $path;	1990	return find $path;
1430	}	1991	}
1431		1992
1432	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1433	}	1994	}
…		…
1440	my ($self) = @_;	2001	my ($self) = @_;
1441		2002
1442	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1443		2004
1444	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1446		2009
		2010	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2012
1449	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1450		2014
1451	$self->alloc;	2015	$self->alloc;
1452		2016
1453	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1454		2019
1455	$self->_load_objects ($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)
1456	or return;	2023	or return;
1457		2024
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1459	if delete $self->{load_original};	2026	if delete $self->{load_original};
1460		2027
1461	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2029	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2032	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1466	}	2036	}
1467	}	2037	}
1468		2038
1469	Coro::cede;	2039	$f->resolve_delayed_derefs;
1470		2040
		2041	cf::cede_to_tick;
1471	# now do the right thing for maps	2042	# now do the right thing for maps
1472	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2045	unless $self->difficulty;
1482	Coro::cede;	2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1483	$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);
1484	}	2060	}
1485		2061
1486	$self->post_load;	2062	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2063	}
1490		2064
1491	sub customise_for {	2065	sub customise_for {
1492	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1493		2067
1494	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2069	if $self->per_player;
1496		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1497	$self	2074	$self
1498	}	2075	}
1499		2076
1500	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2078	sub load_neighbours {
1502	my ($map) = @_;	2079	my ($map) = @_;
1503		2080
1504	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1505		2082
1506	for (0 .. 3) {	2083	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1508	or next;	2085	or next;
1509	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1510	or next;	2087	or next;
1511	$neigh->load;	2088	$neigh->load;
1512		2089
		2090	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2093	}
1516		2094
1517	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1519	or next;	2098	or next;
1520	$neigh->load;	2099	$neigh->load;
1521	}	2100	}
1522	}	2101	}
1523		2102
…		…
1528	}	2107	}
1529		2108
1530	sub do_load_sync {	2109	sub do_load_sync {
1531	my ($map) = @_;	2110	my ($map) = @_;
1532		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1533	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1534	}	2116	}
1535		2117
1536	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1538		2120
1539	sub find_async {	2121	sub find_async {
1540	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1541		2123
1542	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1543		2125
1544	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2128	}
1547		2129
1548	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1549	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1550	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2137	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2138	$map->load if $v;
		2139	}
1555		2140
1556	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1557	}	2142	}
1558	}	2143	}
1559	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1560	};	2145	};
1561	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2149	}
1565		2150
1566	sub save {	2151	sub save {
1567	my ($self) = @_;	2152	my ($self) = @_;
1568		2153
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2155
1571	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1572		2157
1573	return unless $self->dirty;	2158	return unless $self->dirty;
1574		2159
…		…
1580	return if $self->{deny_save};	2165	return if $self->{deny_save};
1581		2166
1582	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1583		2168
1584	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1586	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1587		2175
1588	if ($uniq) {	2176	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2179	} else {
…		…
1597	my ($self) = @_;	2185	my ($self) = @_;
1598		2186
1599	# save first because save cedes	2187	# save first because save cedes
1600	$self->save;	2188	$self->save;
1601		2189
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2191
1604	return if $self->players;	2192	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1606	return if $self->{deny_save};	2194	return if $self->{deny_save};
1607		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2200	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2201	}
1611		2202
1612	sub reset_at {	2203	sub reset_at {
1613	my ($self) = @_;	2204	my ($self) = @_;
1614		2205
1615	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1618		2208
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2211
…		…
1632	my ($self) = @_;	2222	my ($self) = @_;
1633		2223
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2225
1636	return if $self->players;	2226	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2227
1639	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1640		2229
1641	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1642		2231
1643	# need to save uniques path	2232	# need to save uniques path
1644	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2237	if $uniq;
1649	}	2238	}
1650		2239
1651	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1652		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2244	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2245
1657	$self->unlink_save;	2246	$self->unlink_save;
1658	$self->destroy;	2247	$self->destroy;
1659	}	2248	}
1660		2249
1661	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1662		2251
1663	sub nuke {	2252	sub nuke {
1664	my ($self) = @_;	2253	my ($self) = @_;
1665		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1666	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1667		2259
1668	$self->unlink_save;	2260	$self->unlink_save;
1669		2261
1670	bless $self, "cf::map";	2262	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2267
1676	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1677		2270
1678	$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	]
1679	}	2308	}
1680		2309
1681	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1682		2311
1683	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2313	instantiated unique items. May block.
1685		2314
1686	=cut	2315	=cut
1687		2316
1688	sub unique_maps() {	2317	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1690	or return;	2319	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2320	utf8::decode $_;
1696	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2323	? ()
1699	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2326	]
1701
1702	\@paths
1703	}	2327	}
1704
1705	package cf;
1706		2328
1707	=back	2329	=back
1708		2330
1709	=head3 cf::object	2331	=head3 cf::object
1710		2332
…		…
1714		2336
1715	=over 4	2337	=over 4
1716		2338
1717	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1718		2340
1719	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.
1720		2343
1721	=cut	2344	=cut
1722		2345
1723	sub inv_recursive_;	2346	sub inv_recursive_;
1724	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1727		2350
1728	sub inv_recursive {	2351	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1730	}	2353	}
1731		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
1732	package cf;	2383	package cf;
1733		2384
1734	=back	2385	=back
1735		2386
1736	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1742	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>
1743	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
1744	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1745		2396
1746	=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	};
1747		2412
1748	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2414	# with dialog boxes.
1750	#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
1751	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1753		2418
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2420
1756	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1758	} 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 {
1759	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1761	}	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 (@_);
1762	}	2446	}
1763		2447
1764	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1765		2449
1766	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1779		2463
1780	=item $player_object->enter_link	2464	=item $player_object->enter_link
1781		2465
1782	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}>).
1783		2467
1784	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.
1785	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.
1786		2472
1787	Will never block.	2473	Will never block.
1788		2474
1789	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1790		2476
…		…
1813	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1814		2500
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2502
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1819		2505
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2507	}
1822		2508
1823	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1825		2513
1826	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1827		2515
1828	unless ($map) {	2516	unless ($map) {
1829	# restore original map position	2517	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1846		2534
1847	$map->load;	2535	$map->load;
1848	$map->load_diag;	2536	$map->load_neighbours;
1849		2537
1850	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1851	$self->activate_recursive;	2540	$self->activate_recursive;
1852		2541
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1855	}	2544	}
1856		2545
1857	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2547
1861	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1865	};	2552	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2553
1871	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1872	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2556
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1892		2560
1893	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
		2563
		2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2566
1896	$self->enter_link;	2567	$self->enter_link;
1897		2568
1898	(async {	2569	(async {
		2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
1899	my $map = eval {	2591	my $map = eval {
1900	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
		2596	$map = $check->($map) if $check && $map;
		2597	} else {
		2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600
1902	$map	2601	$map
		2602	};
		2603
		2604	if ($@) {
		2605	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2607	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1907	})->prio (1);	2615	})->prio (1);
1908	}	2616	}
1909		2617
1910	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1911		2619
…		…
1931	}	2639	}
1932		2640
1933	sub prepare_random_map {	2641	sub prepare_random_map {
1934	my ($exit) = @_;	2642	my ($exit) = @_;
1935		2643
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2646	# that depends on the exit object
1941		2647
1942	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2650	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1949	}	2657	}
1950		2658
1951	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1952		2660
1953	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
1956		2664
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2667	undef $fh;
1960	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
1961		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1964	}	2676	}
1965	}	2677	}
1966		2678
1967	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
1969		2681
1970	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1971		2683
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2684	$self->enter_link;
1982		2685
1983	(async {	2686	(async {
1984	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1985	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
1986	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
1987		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
1988	1;	2710	1
1989	}) {	2711	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2716
1995	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2718	$self->leave_link;
1997	}	2719	}
1998	})->prio (1);	2720	})->prio (1);
…		…
2014		2736
2015	utf8::encode $text;	2737	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2739	}
2018		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->ext_msg ($type, @msg)
		2902
		2903	Sends an ext event to the client.
		2904
		2905	=cut
		2906
		2907	sub cf::client::ext_msg($$@) {
		2908	my ($self, $type, @msg) = @_;
		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
		2913	push @msg, msgtype => "event_$type";
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
		2934	}
2019		2935
2020	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
2021		2937
2022	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2939	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2941
2026	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2943	become reliable at some point in the future.
2028		2944
2029	=cut	2945	=cut
2030		2946
2031	sub cf::client::query {	2947	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2956	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2958
2043	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
2045	}	2963	}
2046		2964
2047	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
2048	on_reply => sub {	2971	on_reply => sub {
2049	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
2050		2973
2051	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
2052	# get handled first	2975	# get handled first
…		…
2064	} else {	2987	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2989	}
2067	}	2990	}
2068	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
2069	);	3018	);
2070		3019
2071	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2072		3021
2073	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2116		3065
2117	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2118		3067
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2120		3073
2121	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2122		3075
2123	=pod	3076	=pod
2124		3077
2125	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2126		3079
2127	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2128	cf::object::player player	3085	cf::object::player
2129	cf::player peaceful	3086	player
2130	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2131		3093
2132	=cut	3094	=cut
2133		3095
2134	for (	3096	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2139	) {	3103	) {
2140	no strict 'refs';	3104	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2159	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2160		3124
2161	my $qcode = $code;	3125	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2164		3130
2165	local $_;	3131	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2167		3133
2168	my $eval =	3134	my $eval =
…		…
2211	=back	3177	=back
2212		3178
2213	=cut	3179	=cut
2214		3180
2215	#############################################################################	3181	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	3182	# the server's init and main functions
2289		3183
2290	sub load_facedata {	3184	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3185	my ($path) = @_;
		3186
		3187	# HACK to clear player env face cache, we need some signal framework
		3188	# for this (global event?)
		3189	%ext::player_env::MUSIC_FACE_CACHE = ();
		3190
		3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3192
2293	warn "loading facedata from $path\n";	3193	warn "loading facedata from $path\n";
2294		3194
2295	my $faces;	3195	my $facedata;
2296	0 < aio_load $path, $faces	3196	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3197	or die "$path: $!";
2298		3198
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3199	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3200
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3201	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3203
		3204	# patch in the exptable
		3205	$facedata->{resource}{"res/exp_table"} = {
		3206	type => FT_RSRC,
		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3208	};
		3209	cf::cede_to_tick;
		3210
		3211	{
		3212	my $faces = $facedata->{faceinfo};
		3213
2307	while (my ($face, $info) = each %$faces) {	3214	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3216
		3217	cf::face::set_visibility $idx, $info->{visibility};
		3218	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3221
		3222	cf::cede_to_tick;
		3223	}
		3224
2315	while (my ($face, $info) = each %$faces) {	3225	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3226	next unless $info->{smooth};
		3227
2317	my $idx = cf::face::find $face	3228	my $idx = cf::face::find $face
2318	or next;	3229	or next;
		3230
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3231	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3232	cf::face::set_smooth $idx, $smooth;
		3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3234	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3236	}
2324	Coro::cede;	3237
		3238	cf::cede_to_tick;
		3239	}
		3240	}
		3241
2325	}	3242	{
		3243	my $anims = $facedata->{animinfo};
		3244
		3245	while (my ($anim, $info) = each %$anims) {
		3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3247	cf::cede_to_tick;
		3248	}
		3249
		3250	cf::anim::invalidate_all; # d'oh
		3251	}
		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2326		3287
2327	1	3288	1
2328	}	3289	}
2329		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
		3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
		3334	load_resource_file "$MAPDIR/regions"
		3335	or die "unable to load regions file\n";
		3336
		3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
		3341	}
		3342
		3343	sub reload_facedata {
		3344	load_facedata "$DATADIR/facedata"
		3345	or die "unable to load facedata\n";
		3346	}
		3347
		3348	sub reload_archetypes {
		3349	load_resource_file "$DATADIR/archetypes"
		3350	or die "unable to load archetypes\n";
		3351	}
		3352
		3353	sub reload_treasures {
		3354	load_resource_file "$DATADIR/treasures"
		3355	or die "unable to load treasurelists\n";
		3356	}
		3357
2330	sub reload_resources {	3358	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3359	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3360
2333	load_facedata	3361	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3362	reload_archetypes;
2335	}
2336
2337	sub init {
2338	reload_resources;	3363	reload_regions;
2339	}	3364	reload_treasures;
2340		3365
2341	sub cfg_load {	3366	warn "finished reloading resource files\n";
		3367	}
		3368
		3369	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3371	or return;
2344		3372
2345	local $/;	3373	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2347		3375
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2349		3377
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2357	};	3385	};
2358	warn $@ if $@;	3386	warn $@ if $@;
2359	}	3387	}
2360	}	3388	}
2361		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2362	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2363	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3436	(async {
2367	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2369	};	3440	};
2370		3441
2371	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
2372	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2373	load_extensions;	3460	load_extensions;
2374		3461
2375	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	use POSIX ();
		3466	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3467
		3468	(pop @POST_INIT)->(0) while @POST_INIT;
		3469	};
		3470
		3471	main_loop;
2377	}	3472	}
2378		3473
2379	#############################################################################	3474	#############################################################################
2380	# initialisation and cleanup	3475	# initialisation and cleanup
2381		3476
2382	# install some emergency cleanup handlers	3477	# install some emergency cleanup handlers
2383	BEGIN {	3478	BEGIN {
		3479	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3480	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3481	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3482	cf::cleanup "SIG$signal";
2392	},
2393	);	3483	};
		3484	}
		3485	}
		3486
		3487	sub write_runtime_sync {
		3488	# first touch the runtime file to show we are still running:
		3489	# the fsync below can take a very very long time.
		3490
		3491	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3492
		3493	my $guard = cf::lock_acquire "write_runtime";
		3494
		3495	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = $cf::RUNTIME + 90 + 10;
		3499	# 10 is the runtime save interval, for a monotonic clock
		3500	# 60 allows for the watchdog to kill the server.
		3501
		3502	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3503	and return;
		3504
		3505	# always fsync - this file is important
		3506	aio_fsync $fh
		3507	and return;
		3508
		3509	# touch it again to show we are up-to-date
		3510	aio_utime $fh, undef, undef;
		3511
		3512	close $fh
		3513	or return;
		3514
		3515	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3516	and return;
		3517
		3518	warn "runtime file written.\n";
		3519
2394	}	3520	1
		3521	}
		3522
		3523	our $uuid_lock;
		3524	our $uuid_skip;
		3525
		3526	sub write_uuid_sync($) {
		3527	$uuid_skip ||= $_[0];
		3528
		3529	return if $uuid_lock;
		3530	local $uuid_lock = 1;
		3531
		3532	my $uuid = "$LOCALDIR/uuid";
		3533
		3534	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3535	or return;
		3536
		3537	my $value = uuid_seq uuid_cur;
		3538
		3539	unless ($value) {
		3540	warn "cowardly refusing to write zero uuid value!\n";
		3541	return;
		3542	}
		3543
		3544	my $value = uuid_str $value + $uuid_skip;
		3545	$uuid_skip = 0;
		3546
		3547	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3548	and return;
		3549
		3550	# always fsync - this file is important
		3551	aio_fsync $fh
		3552	and return;
		3553
		3554	close $fh
		3555	or return;
		3556
		3557	aio_rename "$uuid~", $uuid
		3558	and return;
		3559
		3560	warn "uuid file written ($value).\n";
		3561
		3562	1
		3563
		3564	}
		3565
		3566	sub write_uuid($$) {
		3567	my ($skip, $sync) = @_;
		3568
		3569	$sync ? write_uuid_sync $skip
		3570	: async { write_uuid_sync $skip };
2395	}	3571	}
2396		3572
2397	sub emergency_save() {	3573	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3574	my $freeze_guard = cf::freeze_mainloop;
2399		3575
2400	warn "enter emergency perl save\n";	3576	warn "emergency_perl_save: enter\n";
2401		3577
2402	cf::sync_job {	3578	cf::sync_job {
		3579	# this is a trade-off: we want to be very quick here, so
		3580	# save all maps without fsync, and later call a global sync
		3581	# (which in turn might be very very slow)
		3582	local $USE_FSYNC = 0;
		3583
2403	# use a peculiar iteration method to avoid tripping on perl	3584	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3585	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3586	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3587	warn "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3588	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3589	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3590	$pl->valid or next;
		3591	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3592	$pl->save;
2411	}	3593	}
2412	warn "end emergency player save\n";	3594	warn "emergency_perl_save: end player save\n";
2413		3595
2414	warn "begin emergency map save\n";	3596	warn "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3597	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3598	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3599	$map->valid or next;
2418	$map->save;	3600	$map->save;
2419	}	3601	}
2420	warn "end emergency map save\n";	3602	warn "emergency_perl_save: end map save\n";
2421		3603
2422	warn "begin emergency database checkpoint\n";	3604	warn "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3606	warn "emergency_perl_save: end database checkpoint\n";
		3607
		3608	warn "emergency_perl_save: begin write uuid\n";
		3609	write_uuid_sync 1;
		3610	warn "emergency_perl_save: end write uuid\n";
2425	};	3611	};
2426		3612
		3613	warn "emergency_perl_save: starting sync()\n";
		3614	IO::AIO::aio_sync sub {
		3615	warn "emergency_perl_save: finished sync()\n";
		3616	};
		3617
2427	warn "leave emergency perl save\n";	3618	warn "emergency_perl_save: leave\n";
2428	}	3619	}
2429		3620
2430	sub post_cleanup {	3621	sub post_cleanup {
2431	my ($make_core) = @_;	3622	my ($make_core) = @_;
2432		3623
2433	warn Carp::longmess "post_cleanup backtrace"	3624	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3625	if $make_core;
2435	}
2436		3626
		3627	my $fh = pidfile;
		3628	unlink $PIDFILE if <$fh> == $$;
		3629	}
		3630
		3631	# a safer delete_package, copied from Symbol
		3632	sub clear_package($) {
		3633	my $pkg = shift;
		3634
		3635	# expand to full symbol table name if needed
		3636	unless ($pkg =~ /^main::.*::$/) {
		3637	$pkg = "main$pkg" if $pkg =~ /^::/;
		3638	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3639	$pkg .= '::' unless $pkg =~ /::$/;
		3640	}
		3641
		3642	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3643	my $stem_symtab = *{$stem}{HASH};
		3644
		3645	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3646	or return;
		3647
		3648	# clear all symbols
		3649	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3650	for my $name (keys %$leaf_symtab) {
		3651	_gv_clear *{"$pkg$name"};
		3652	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3653	}
		3654	warn "cleared package $pkg\n";#d#
		3655	}
		3656
2437	sub reload() {	3657	sub do_reload_perl() {
2438	# can/must only be called in main	3658	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3659	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3660	warn "can only reload from main coroutine";
2441	return;	3661	return;
2442	}	3662	}
2443		3663
		3664	return if $RELOAD++;
		3665
		3666	my $t1 = EV::time;
		3667
		3668	while ($RELOAD) {
2444	warn "reloading...";	3669	warn "reloading...";
2445		3670
2446	warn "entering sync_job";	3671	warn "entering sync_job";
2447		3672
2448	cf::sync_job {	3673	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
2450	cf::emergency_save;	3675	cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark	3676	cf::write_runtime_sync; # external watchdog should not bark
2452		3677
2453	warn "syncing database to disk";	3678	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3679	BDB::db_env_txn_checkpoint $DB_ENV;
2455		3680
2456	# if anything goes wrong in here, we should simply crash as we already saved	3681	# if anything goes wrong in here, we should simply crash as we already saved
2457		3682
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";	3683	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3684	while (IO::AIO::nreqs || BDB::nreqs) {
2469	warn "iterate...";	3685	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();
2477
2478	warn "removing commands";
2479	%COMMAND = ();
2480
2481	warn "removing ext commands";
2482	%EXTCMD = ();
2483
2484	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";
2487
2488	if (my $cb = $pkg->can ("unload")) {
2489	eval {
2490	$cb->($pkg);
2491	1
2492	} or warn "$pkg unloaded, but with errors: $@";
2493	}	3686	}
2494		3687
2495	warn "... nuking $pkg";	3688	warn "cancelling all extension coros";
2496	Symbol::delete_package $pkg;	3689	$_->cancel for values %EXT_CORO;
2497	}	3690	%EXT_CORO = ();
2498		3691
2499	warn "unloading all perl modules loaded from $LIBDIR";	3692	warn "removing commands";
2500	while (my ($k, $v) = each %INC) {	3693	%COMMAND = ();
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		3694
		3695	warn "removing ext/exti commands";
		3696	%EXTCMD = ();
		3697	%EXTICMD = ();
		3698
		3699	warn "unloading/nuking all extensions";
		3700	for my $pkg (@EXTS) {
2503	warn "... unloading $k";	3701	warn "... unloading $pkg";
2504	delete $INC{$k};
2505		3702
2506	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;
2508
2509	if (my $cb = $k->can ("unload_module")) {	3703	if (my $cb = $pkg->can ("unload")) {
		3704	eval {
2510	$cb->();	3705	$cb->($pkg);
		3706	1
		3707	} or warn "$pkg unloaded, but with errors: $@";
		3708	}
		3709
		3710	warn "... clearing $pkg";
		3711	clear_package $pkg;
2511	}	3712	}
2512		3713
2513	Symbol::delete_package $k;	3714	warn "unloading all perl modules loaded from $LIBDIR";
		3715	while (my ($k, $v) = each %INC) {
		3716	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3717
		3718	warn "... unloading $k";
		3719	delete $INC{$k};
		3720
		3721	$k =~ s/\.pm$//;
		3722	$k =~ s/\//::/g;
		3723
		3724	if (my $cb = $k->can ("unload_module")) {
		3725	$cb->();
		3726	}
		3727
		3728	clear_package $k;
2514	}	3729	}
2515		3730
2516	warn "getting rid of safe::, as good as possible";	3731	warn "getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	3732	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3733	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3734
2520	warn "unloading cf.pm \"a bit\"";	3735	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3736	delete $INC{"cf.pm"};
		3737	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		3738
2523	# don't, removes xs symbols, too,	3739	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3740	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3741	#clear_package __PACKAGE__;
2526		3742
2527	warn "unload completed, starting to reload now";	3743	warn "unload completed, starting to reload now";
2528		3744
2529	warn "reloading cf.pm";	3745	warn "reloading cf.pm";
2530	require cf;	3746	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3747	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3748
2533	warn "loading config and database again";	3749	warn "loading config and database again";
2534	cf::cfg_load;	3750	cf::reload_config;
2535		3751
2536	warn "loading extensions";	3752	warn "loading extensions";
2537	cf::load_extensions;	3753	cf::load_extensions;
2538		3754
		3755	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	3756	warn "reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	3757	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	3758	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3759	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3760	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3761	reattach $_ for values %PLAYER;
		3762	}
2545		3763
2546	warn "loading reloadable resources";	3764	warn "running post_init jobs";
2547	reload_resources;	3765	(pop @POST_INIT)->(1) while @POST_INIT;
2548		3766
2549	warn "leaving sync_job";	3767	warn "leaving sync_job";
2550		3768
2551	1	3769	1
2552	} or do {	3770	} or do {
2553	warn $@;	3771	warn $@;
2554	warn "error while reloading, exiting.";	3772	cf::cleanup "error while reloading, exiting.";
2555	exit 1;	3773	};
		3774
		3775	warn "reloaded";
		3776	--$RELOAD;
		3777	}
		3778
		3779	$t1 = EV::time - $t1;
		3780	warn "reload completed in ${t1}s\n";
		3781	};
		3782
		3783	our $RELOAD_WATCHER; # used only during reload
		3784
		3785	sub reload_perl() {
		3786	# doing reload synchronously and two reloads happen back-to-back,
		3787	# coro crashes during coro_state_free->destroy here.
		3788
		3789	$RELOAD_WATCHER ||= cf::async {
		3790	Coro::AIO::aio_wait cache_extensions;
		3791
		3792	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3793	do_reload_perl;
		3794	undef $RELOAD_WATCHER;
		3795	};
2556	};	3796	};
2557		3797	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		3798
2563	register_command "reload" => sub {	3799	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3800	my ($who, $arg) = @_;
2565		3801
2566	if ($who->flag (FLAG_WIZ)) {	3802	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3803	$who->message ("reloading server.");
2568		3804	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3805	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3806	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3807	};
2581	}	3808	}
2582	};	3809	};
2583		3810
2584	unshift @INC, $LIBDIR;	3811	unshift @INC, $LIBDIR;
2585		3812
2586	my $bug_warning = 0;	3813	my $bug_warning = 0;
2587		3814
2588	$TICK_WATCHER = Event->timer (	3815	our @WAIT_FOR_TICK;
2589	reentrant => 0,	3816	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	3817
2591	prio => 0,	3818	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	3819	return if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	3820
2594	cb => sub {	3821	my $signal = new Coro::Signal;
		3822	push @WAIT_FOR_TICK, $signal;
		3823	$signal->wait;
		3824	}
		3825
		3826	sub wait_for_tick_begin {
		3827	return if tick_inhibit || $Coro::current == $Coro::main;
		3828
		3829	my $signal = new Coro::Signal;
		3830	push @WAIT_FOR_TICK_BEGIN, $signal;
		3831	$signal->wait;
		3832	}
		3833
		3834	sub tick {
2595	if ($Coro::current != $Coro::main) {	3835	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3836	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3837	unless ++$bug_warning > 10;
2598	return;	3838	return;
2599	}	3839	}
2600		3840
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	3841	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		3842
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3843	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3844	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	3845	Coro::async_pool {
		3846	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3847	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	3848	or warn "ERROR: unable to write runtime file: $!";
2612	};
2613	}	3849	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	3850	}
2627	);	3851
		3852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3853	$sig->send;
		3854	}
		3855	while (my $sig = shift @WAIT_FOR_TICK) {
		3856	$sig->send;
		3857	}
		3858
		3859	$LOAD = ($NOW - $TICK_START) / $TICK;
		3860	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3861
		3862	if (0) {
		3863	if ($NEXT_TICK) {
		3864	my $jitter = $TICK_START - $NEXT_TICK;
		3865	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3866	warn "jitter $JITTER\n";#d#
		3867	}
		3868	}
		3869	}
2628		3870
2629	{	3871	{
2630	BDB::max_poll_time $TICK * 0.1;	3872	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	3873
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	3874	BDB::min_parallel 8;
2640		3875	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	3876	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		3877
2656	unless ($DB_ENV) {	3878	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	3879	$DB_ENV = BDB::db_env_create;
		3880	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3881	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3882	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3883	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3884	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		3885
2659	cf::sync_job {	3886	cf::sync_job {
2660	eval {	3887	eval {
2661	BDB::db_env_open	3888	BDB::db_env_open
2662	$DB_ENV,	3889	$DB_ENV,
2663	$BDB_ENV_DIR,	3890	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3891	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3892	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3893	0666;
2667		3894
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3895	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3896	};
2673		3897
2674	cf::cleanup "db_env_open(db): $@" if $@;	3898	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3899	};
2676	}	3900	}
		3901
		3902	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3903	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3904	};
		3905	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3906	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3907	};
		3908	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3909	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3910	};
2677	}	3911	}
2678		3912
2679	{	3913	{
		3914	# configure IO::AIO
		3915
2680	IO::AIO::min_parallel 8;	3916	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	3917	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	3918	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	3919	}
		3920
		3921	my $_log_backtrace;
		3922
		3923	sub _log_backtrace {
		3924	my ($msg, @addr) = @_;
		3925
		3926	$msg =~ s/\n//;
		3927
		3928	# limit the # of concurrent backtraces
		3929	if ($_log_backtrace < 2) {
		3930	++$_log_backtrace;
		3931	my $perl_bt = Carp::longmess $msg;
		3932	async {
		3933	$Coro::current->{desc} = "abt $msg";
		3934
		3935	my @bt = fork_call {
		3936	@addr = map { sprintf "%x", $_ } @addr;
		3937	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3938	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3939	or die "addr2line: $!";
		3940
		3941	my @funcs;
		3942	my @res = <$fh>;
		3943	chomp for @res;
		3944	while (@res) {
		3945	my ($func, $line) = splice @res, 0, 2, ();
		3946	push @funcs, "[$func] $line";
		3947	}
		3948
		3949	@funcs
		3950	};
		3951
		3952	LOG llevInfo, "[ABT] $perl_bt\n";
		3953	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3954	LOG llevInfo, "[ABT] $_\n" for @bt;
		3955	--$_log_backtrace;
		3956	};
		3957	} else {
		3958	LOG llevInfo, "[ABT] $msg\n";
		3959	LOG llevInfo, "[ABT] [suppressed]\n";
		3960	}
		3961	}
		3962
		3963	# load additional modules
		3964	require "cf/$_.pm" for @EXTRA_MODULES;
2693		3965
2694	END { cf::emergency_save }	3966	END { cf::emergency_save }
2695		3967
2696	1	3968	1
2697		3969

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