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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 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;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		79
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
38		84
39	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
43		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	92	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		93
47	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	95	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	112	our $NEXT_TICK;
52	our $NOW;	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
		117	our $BDB_TRICKLE_WATCHER;
		118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
53		121
54	our %CFG;	122	our %CFG;
55		123
56	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
58		127
59	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		131
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		144
70	binmode STDOUT;	145	binmode STDOUT;
71	binmode STDERR;	146	binmode STDERR;
72		147
73	# read virtual server time, if available	148	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
78	}	153	}
79		154
80	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	156
82	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		159
86	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
87		161
88	sub cf::map::normalise;	162	sub cf::map::normalise;
89		163
…		…
100	=item $cf::RUNTIME	174	=item $cf::RUNTIME
101		175
102	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
103	every server tick.	177	every server tick.
104		178
105	=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
106		182
107	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		187
110	=item $cf::NOW	188	=item $cf::NOW
111		189
112	The time of the last (current) server tick.	190	The time of the last (current) server tick.
113		191
114	=item $cf::TICK	192	=item $cf::TICK
115		193
116	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	206	=item %cf::CFG
119		207
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	209	from wherever your confdir points to.
122		210
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		212
125	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
126	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
127	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.
128	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.
129		222
130	=back	223	=back
131		224
132	=cut	225	=cut
133		226
134	BEGIN {	227	BEGIN {
135	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	229	my $msg = join "", @_;
137	utf8::encode $msg;
138		230
139	$msg .= "\n"	231	$msg .= "\n"
140	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
141		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
142	LOG llevError, $msg;	236	LOG llevError, $msg;
143	};	237	};
144	}	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#?
145		254
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		262
153	# 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
154	# within the Safe compartment.	264	# within the Safe compartment.
155	for my $pkg (qw(	265	for my $pkg (qw(
156	cf::global cf::attachable	266	cf::global cf::attachable
157	cf::object cf::object::player	267	cf::object cf::object::player
158	cf::client cf::player	268	cf::client cf::player
159	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
160	cf::map cf::party cf::region	271	cf::party cf::region
161	)) {	272	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	274	}
165		275
166	$Event::DIED = sub {	276	$EV::DIED = sub {
167	warn "error in event callback: @_";	277	warn "error in event callback: @_";
168	};	278	};
		279
		280	#############################################################################
169		281
170	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
171		283
172	=over 4	284	=over 4
173		285
…		…
192	$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;
193	$d	305	$d
194	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
195	}	307	}
196		308
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
200		310
201	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
202		312
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
211		314
212	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
213		316
214	=cut	317	=cut
215		318
216	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
218	JSON::Syck::Dump $_[0]	321	sub encode_json($) { $json_coder->encode ($_[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;
219	}	336	}
220		337
221	=item cf::lock_wait $string	338	=item cf::lock_wait $string
222		339
223	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
224		341
225	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
226		343
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
230	returned.	347	returned.
231		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
232	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
233	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
234		354
235	=cut	355	=item $locked = cf::lock_active $string
236		356
237	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
238		362
239	sub lock_wait($) {	363	sub lock_wait($) {
240	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	365	}
248		366
249	sub lock_acquire($) {	367	sub lock_acquire($) {
250	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
251		370
252	# wait, to be sure we are not locked	371	sub lock_active($) {
253	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	373	}
262		374
263	sub freeze_mainloop {	375	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
265		377
266	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	379	}
268	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
269	};	439	}
270	$WRITE_RUNTIME_WATCHER->stop;	440	};
271	$TICK_WATCHER->stop;	441
272	$guard	442	sub get_slot($;$$) {
		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 $runtime = cf::localdir . "/runtime";
352		544
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
354	or return;	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.
355		549
356	my $value = $cf::RUNTIME + 90 + 10;	550	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		551
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub fork_call(&@) {
361	and return;	553	my ($cb, @args) = @_;
362		554
363	aio_fsync $fh	555	# we seemingly have to make a local copy of the whole thing,
364	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
365		558
366	close $fh	559	my @res = Coro::Util::fork_eval {
367	or return;	560	reset_signals;
		561	&$cb
		562	}, @args;
368		563
369	aio_rename "$runtime~", $runtime	564	wantarray ? @res : $res[-1]
370	and return;	565	}
371		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		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($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
372	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
		719	}
		720
		721	=item cf::datalog type => key => value, ...
		722
		723	Log a datalog packet of the given type with the given key-value pairs.
		724
		725	=cut
		726
		727	sub datalog($@) {
		728	my ($type, %kv) = @_;
		729	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	730	}
374		731
375	=back	732	=back
376		733
377	=cut	734	=cut
378		735
379	#############################################################################	736	#############################################################################
380		737
381	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
382		739
383	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
384	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")
385	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
386		743
387	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>
388	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
389	crossfire+).	746	Deliantra).
390		747
391	=over 4	748	=over 4
392		749
393	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
394		751
…		…
438	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
439		796
440	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
442		799
443	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		802
446	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
447		804
448	=over 4	805	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
558		915
559	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		920
564	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	922	my $pkg = shift @arg;
566		923
567	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
597	}	954	}
598		955
599	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
600	} else {	957	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	959	}
603		960
604	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
605	}	962	}
606		963
…		…
608	if (ref $_[0]) {	965	if (ref $_[0]) {
609	_object_attach @_;	966	_object_attach @_;
610	} else {	967	} else {
611	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
612	}	969	}
		970	_recalc_want;
613	};	971	};
614		972
615	# all those should be optimised	973	# all those should be optimised
616	sub cf::attachable::detach {	974	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
621	reattach ($obj);	979	reattach ($obj);
622	} else {	980	} else {
623	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
624	}	982	}
		983	_recalc_want;
625	};	984	};
626		985
627	sub cf::attachable::attached {	986	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
629		988
…		…
644	";	1003	";
645	die if $@;	1004	die if $@;
646	}	1005	}
647		1006
648	our $override;	1007	our $override;
649	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?
650		1009
651	sub override {	1010	sub override {
652	$override = 1;	1011	$override = 1;
653	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
654	}	1013	}
655		1014
656	sub do_invoke {	1015	sub do_invoke {
657	my $event = shift;	1016	my $event = shift;
658	my $callbacks = shift;	1017	my $callbacks = shift;
659		1018
660	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
661		1020
662	local $override;	1021	local $override;
663		1022
664	for (@$callbacks) {	1023	for (@$callbacks) {
665	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
674	}	1033	}
675		1034
676	0	1035	0
677	}	1036	}
678		1037
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1039
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1041
683	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
684		1043
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1047
689	=back	1048	=back
690		1049
691	=cut	1050	=cut
692		1051
693	#############################################################################	1052	#############################################################################
694	# 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, $ob2
		1095	}
695		1096
696	sub reattach {	1097	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1099	my ($obj) = @_;
699		1100
		1101	# no longer needed after getting rid of delete_package?
700	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
701		1103
702	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
703		1105
704	@$registry = ();	1106	@$registry = ();
705		1107
…		…
720	cf::attachable->attach (	1122	cf::attachable->attach (
721	prio => -1000000,	1123	prio => -1000000,
722	on_instantiate => sub {	1124	on_instantiate => sub {
723	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
724		1126
725	$data = from_json $data;	1127	$data = decode_json $data;
726		1128
727	for (@$data) {	1129	for (@$data) {
728	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
729		1131
730	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1148	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
748		1150
749	sync_job {	1151	sync_job {
750	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
753		1156
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
757	aio_fsync $fh;	1162	aio_fsync $fh;
		1163	}
758	close $fh;	1164	aio_close $fh;
759		1165
760	if (@$objs) {	1166	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
		1171	if ($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;
765	aio_fsync $fh;	1173	aio_fsync $fh;
		1174	}
766	close $fh;	1175	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
768	}	1177	}
769	} else {	1178	} else {
770	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
771	}	1180	}
772		1181
773	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1186	} else {
775	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
776	}	1188	}
777	} else {	1189	} else {
778	aio_unlink $filename;	1190	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
780	}	1192	}
781	}	1193	};
782	}	1194	}
783		1195
784	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
786		1198
…		…
798	or return;	1210	or return;
799		1211
800	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
802	or return;	1214	or return;
		1215
803	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
804	}	1218	}
805		1219
		1220	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
808	return ($data, $av);	1224	($data, $av)
809	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
810		1232
811	#############################################################################	1233	#############################################################################
812	# command handling &c	1234	# command handling &c
813		1235
814	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1250	}
829		1251
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1253
832	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.
833		1259
834	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
835	called.	1261	called.
836		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
837	=cut	1274	=cut
838		1275
839	sub register_extcmd {	1276	sub register_extcmd {
840	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
841		1278
842	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
843	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
844		1289
845	cf::player->attach (	1290	cf::player->attach (
846	on_command => sub {	1291	on_command => sub {
847	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
848		1293
…		…
856	cf::override;	1301	cf::override;
857	},	1302	},
858	on_extcmd => sub {	1303	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
860		1305
861	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1307
863	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
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
869	} else {	1323	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1325	}
872		1326
873	cf::override;	1327	cf::override;
874	},	1328	},
875	);	1329	);
876		1330
		1331	# "readahead" all extensions
877	sub load_extension {	1332	sub cache_extensions {
878	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
879		1334
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
881	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
882	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}	1338	}
905	die $@;
906	}	1339	};
907		1340
908	push @EXTS, $pkg;	1341	$grp
909	}	1342	}
910		1343
911	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
912	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1349	next unless -r $path;
914	eval {	1350
915	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	$progress = 1;
916	1	1407	}
917	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
918	}	1413	};
919	}	1414	}
920		1415
921	#############################################################################	1416	#############################################################################
922		1417
		1418	=back
		1419
923	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
924		1421
925	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
926		1423
927	=cut	1424	=cut
928		1425
929	package cf::player;	1426	package cf::player;
930		1427
…		…
932		1429
933	=head3 cf::player	1430	=head3 cf::player
934		1431
935	=over 4	1432	=over 4
936		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
937	=item cf::player::find $login	1448	=item cf::player::find $login
938		1449
939	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
940		1451
941	=cut	1452	=cut
942		1453
943	sub playerdir($) {	1454	sub playerdir($) {
944	cf::localdir	1455	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1457	}
950		1458
951	sub path($) {	1459	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1461
954	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
955	}	1463	}
956		1464
957	sub find_active($) {	1465	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
962		1470
963	sub exists($) {	1471	sub exists($) {
964	my ($login) = @_;	1472	my ($login) = @_;
965		1473
966	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
967	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
968	}	1476	}
969		1477
970	sub find($) {	1478	sub find($) {
971	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
972	my $login = $_[0];	1480	my $login = $_[0];
973		1481
974	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
975		1483
976	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
977	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
978	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;
979	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
980	}	1501	}
981	}	1502	}
982	}	1503	}
983		1504
…		…
992	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
993		1514
994	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
996		1517
		1518	cf::get_slot 0.01;
		1519
997	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
998	Coro::cede;	1521	cf::cede_to_tick;
999	}	1522	}
1000		1523
1001	sub new($) {	1524	sub new($) {
1002	my ($login) = @_;	1525	my ($login) = @_;
1003		1526
…		…
1009	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1010		1533
1011	$self	1534	$self
1012	}	1535	}
1013		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
1014	=item $pl->quit_character	1547	=item $pl->quit_character
1015		1548
1016	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1018		1551
1019	=cut	1552	=cut
1020		1553
1021	sub quit_character {	1554	sub quit_character {
1022	my ($pl) = @_;	1555	my ($pl) = @_;
1023		1556
		1557	my $name = $pl->ob->name;
		1558
1024	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1025	$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
1026		1561
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1031		1568
1032	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1573	$pl->destroy;
		1574
		1575	my $prefix = qr<^~\Q$name\E/>;
		1576
		1577	# nuke player maps
		1578	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1579
1037	IO::AIO::aio_rmtree $temp;	1580	IO::AIO::aio_rmtree $temp;
		1581	}
		1582
		1583	=item $pl->kick
		1584
		1585	Kicks a player out of the game. This destroys the connection.
		1586
		1587	=cut
		1588
		1589	sub kick {
		1590	my ($pl, $kicker) = @_;
		1591
		1592	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1593	$pl->killer ("kicked");
		1594	$pl->ns->destroy;
1038	}	1595	}
1039		1596
1040	=item cf::player::list_logins	1597	=item cf::player::list_logins
1041		1598
1042	Returns am arrayref of all valid playernames in the system, can take a	1599	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1044		1601
1045	=cut	1602	=cut
1046		1603
1047	sub list_logins {	1604	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1606	or return [];
1050		1607
1051	my @logins;	1608	my @logins;
1052		1609
1053	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") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1057		1620
1058	utf8::decode $login;	1621	utf8::decode $login;
1059	push @logins, $login;	1622	push @logins, $login;
1060	}	1623	}
1061		1624
…		…
1069		1632
1070	=cut	1633	=cut
1071		1634
1072	sub maps($) {	1635	sub maps($) {
1073	my ($pl) = @_;	1636	my ($pl) = @_;
		1637
		1638	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1639
1075	my $files = aio_readdir playerdir $pl	1640	my $files = aio_readdir playerdir $pl
1076	or return;	1641	or return;
1077		1642
1078	my @paths;	1643	my @paths;
…		…
1080	for (@$files) {	1645	for (@$files) {
1081	utf8::decode $_;	1646	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1647	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1648	next unless /^$PATH_SEP/o;
1084		1649
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1650	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1651	}
1087		1652
1088	\@paths	1653	\@paths
1089	}	1654	}
1090		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1092		1661
1093	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1094		1663
1095	=cut	1664	=cut
1096		1665
1097	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1099		1668
1100	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1670	}
1104		1671
1105	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1106		1712
1107	=back	1713	=back
1108
1109		1714
1110	=head3 cf::map	1715	=head3 cf::map
1111		1716
1112	=over 4	1717	=over 4
1113		1718
…		…
1125	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1127		1732
1128	sub generate_random_map {	1733	sub generate_random_map {
1129	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
1130	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1739	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1168	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1169		1777
1170	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1171	local $self->{path};	1779	local $self->{path};
1172	local $self->{load_path};	1780	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1781
1176	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1177	}	1783	}
1178		1784
1179	sub normalise {	1785	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1227	return $self;	1833	return $self;
1228	}	1834	}
1229	}	1835	}
1230		1836
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1838	()
1233	}	1839	}
1234		1840
1235	sub init {	1841	sub init {
1236	my ($self) = @_;	1842	my ($self) = @_;
…		…
1251		1857
1252	# the original (read-only) location	1858	# the original (read-only) location
1253	sub load_path {	1859	sub load_path {
1254	my ($self) = @_;	1860	my ($self) = @_;
1255		1861
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1257	}	1863	}
1258		1864
1259	# the temporary/swap location	1865	# the temporary/swap location
1260	sub save_path {	1866	sub save_path {
1261	my ($self) = @_;	1867	my ($self) = @_;
1262		1868
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1265	}	1871	}
1266		1872
1267	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1268	sub uniq_path {	1874	sub uniq_path {
1269	my ($self) = @_;	1875	my ($self) = @_;
1270		1876
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1273	}	1879	}
1274		1880
1275	# and all this just because we cannot iterate over	1881	sub decay_objects {
1276	# all maps in C++...
1277	sub change_all_map_light {
1278	my ($change) = @_;	1882	my ($self) = @_;
1279		1883
1280	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1281	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1282	}	1887	}
1283		1888
1284	sub unlink_save {	1889	sub unlink_save {
1285	my ($self) = @_;	1890	my ($self) = @_;
1286		1891
…		…
1291		1896
1292	sub load_header_from($) {	1897	sub load_header_from($) {
1293	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1294		1899
1295	utf8::encode $path;	1900	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1297	or return;	1902	or return;
1298		1903
1299	$self->_load_header ($path)	1904	$self->_load_header ($f)
1300	or return;	1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1301		1909
1302	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1303		1911
1304	1	1912	1
1305	}	1913	}
…		…
1344	$self->load_header_orig	1952	$self->load_header_orig
1345	or return;	1953	or return;
1346	$self->prepare_orig;	1954	$self->prepare_orig;
1347	}	1955	}
1348		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
1349	1	1963	1
1350	}	1964	}
1351		1965
1352	sub find;	1966	sub find;
1353	sub find {	1967	sub find {
1354	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1355		1969
1356	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1357		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1359		1974
1360	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";
1362	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1363	or return;	1977	or return;
1364		1978
1365	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1366		1980
1367	$map->load_header	1981	$map->load_header
1368	or return;	1982	or return;
1369		1983
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1373	$map->reset;	1989	$map->reset;
1374	undef $guard;
1375	return find $path;	1990	return find $path;
1376	}	1991	}
1377		1992
1378	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1379	}	1994	}
…		…
1386	my ($self) = @_;	2001	my ($self) = @_;
1387		2002
1388	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1389		2004
1390	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1392		2009
		2010	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2012
1395	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1396		2014
1397	$self->alloc;	2015	$self->alloc;
1398		2016
1399	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1400		2019
1401	$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)
1402	or return;	2023	or return;
1403		2024
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1405	if delete $self->{load_original};	2026	if delete $self->{load_original};
1406		2027
1407	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2029	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2032	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1412	}	2036	}
1413	}	2037	}
1414		2038
1415	Coro::cede;	2039	$f->resolve_delayed_derefs;
1416		2040
		2041	cf::cede_to_tick;
1417	# now do the right thing for maps	2042	# now do the right thing for maps
1418	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2045	unless $self->difficulty;
1428	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;
1429	$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);
1430	}	2060	}
1431		2061
1432	$self->post_load;	2062	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2063	}
1436		2064
1437	sub customise_for {	2065	sub customise_for {
1438	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1439		2067
1440	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2069	if $self->per_player;
1442		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1443	$self	2074	$self
1444	}	2075	}
1445		2076
1446	# 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
1447	sub load_diag {	2078	sub load_neighbours {
1448	my ($map) = @_;	2079	my ($map) = @_;
1449		2080
1450	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1451		2082
1452	for (0 .. 3) {	2083	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1454	or next;	2085	or next;
1455	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1456	or next;	2087	or next;
1457	$neigh->load;	2088	$neigh->load;
1458		2089
		2090	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2093	}
1462		2094
1463	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1465	or next;	2098	or next;
1466	$neigh->load;	2099	$neigh->load;
1467	}	2100	}
1468	}	2101	}
1469		2102
…		…
1474	}	2107	}
1475		2108
1476	sub do_load_sync {	2109	sub do_load_sync {
1477	my ($map) = @_;	2110	my ($map) = @_;
1478		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1479	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1480	}	2116	}
1481		2117
1482	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1484		2120
1485	sub find_async {	2121	sub find_async {
1486	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1487		2123
1488	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1489		2125
1490	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2128	}
1493		2129
1494	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1495	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1496	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2137	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2138	$map->load if $v;
		2139	}
1501		2140
1502	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1503	}	2142	}
1504	}	2143	}
1505	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1506	};	2145	};
1507	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2149	}
1511		2150
1512	sub save {	2151	sub save {
1513	my ($self) = @_;	2152	my ($self) = @_;
1514		2153
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2155
1517	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1518		2157
1519	return unless $self->dirty;	2158	return unless $self->dirty;
1520		2159
…		…
1526	return if $self->{deny_save};	2165	return if $self->{deny_save};
1527		2166
1528	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1529		2168
1530	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1532	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1533		2175
1534	if ($uniq) {	2176	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2179	} else {
…		…
1543	my ($self) = @_;	2185	my ($self) = @_;
1544		2186
1545	# save first because save cedes	2187	# save first because save cedes
1546	$self->save;	2188	$self->save;
1547		2189
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2191
1550	return if $self->players;	2192	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2194	return if $self->{deny_save};
1553		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2200	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2201	}
1557		2202
1558	sub reset_at {	2203	sub reset_at {
1559	my ($self) = @_;	2204	my ($self) = @_;
1560		2205
1561	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1564		2208
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	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;
1567		2211
…		…
1578	my ($self) = @_;	2222	my ($self) = @_;
1579		2223
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2225
1582	return if $self->players;	2226	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2227
1585	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
		2229
		2230	$self->in_memory (cf::MAP_SWAPPED);
		2231
		2232	# need to save uniques path
		2233	unless ($self->{deny_save}) {
		2234	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2235
		2236	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2237	if $uniq;
		2238	}
1586		2239
1587	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1588		2241
1589	$self->in_memory (cf::MAP_SWAPPED);	2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2244	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2245
1594	$self->unlink_save;	2246	$self->unlink_save;
1595	$self->destroy;	2247	$self->destroy;
1596	}	2248	}
1597		2249
1598	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1599		2251
1600	sub nuke {	2252	sub nuke {
1601	my ($self) = @_;	2253	my ($self) = @_;
1602		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1603	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1604		2259
1605	$self->unlink_save;	2260	$self->unlink_save;
1606		2261
1607	bless $self, "cf::map";	2262	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2267
1613	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1614		2270
1615	$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	]
1616	}	2308	}
1617		2309
1618	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1619		2311
1620	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2313	instantiated unique items. May block.
1622		2314
1623	=cut	2315	=cut
1624		2316
1625	sub unique_maps() {	2317	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1627	or return;	2319	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2320	utf8::decode $_;
1633	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2323	? ()
1636	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2326	]
1638
1639	\@paths
1640	}	2327	}
1641
1642	package cf;
1643		2328
1644	=back	2329	=back
1645		2330
1646	=head3 cf::object	2331	=head3 cf::object
1647		2332
…		…
1651		2336
1652	=over 4	2337	=over 4
1653		2338
1654	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1655		2340
1656	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.
1657		2343
1658	=cut	2344	=cut
1659		2345
1660	sub inv_recursive_;	2346	sub inv_recursive_;
1661	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1664		2350
1665	sub inv_recursive {	2351	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1667	}	2353	}
1668		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
1669	package cf;	2383	package cf;
1670		2384
1671	=back	2385	=back
1672		2386
1673	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1679	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>
1680	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
1681	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1682		2396
1683	=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	};
1684		2412
1685	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2414	# with dialog boxes.
1687	#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
1688	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1690		2418
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2420
1693	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1695	} 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 {
1696	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1698	}	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 (@_);
1699	}	2446	}
1700		2447
1701	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1702		2449
1703	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1716		2463
1717	=item $player_object->enter_link	2464	=item $player_object->enter_link
1718		2465
1719	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}>).
1720		2467
1721	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.
1722	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.
1723		2472
1724	Will never block.	2473	Will never block.
1725		2474
1726	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1727		2476
…		…
1750	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1751		2500
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2502
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1756		2505
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2507	}
1759		2508
1760	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1762		2513
1763	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1764		2515
1765	unless ($map) {	2516	unless ($map) {
1766	# restore original map position	2517	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1783		2534
1784	$map->load;	2535	$map->load;
1785	$map->load_diag;	2536	$map->load_neighbours;
1786		2537
1787	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1788	$self->activate_recursive;	2540	$self->activate_recursive;
		2541
		2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1790	}	2544	}
1791		2545
1792	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2547
1796	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1800	};	2552	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2553
1806	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1807	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2556
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1827		2560
1828	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1829	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;
1830		2566
1831	$self->enter_link;	2567	$self->enter_link;
1832		2568
1833	(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
1834	my $map = eval {	2591	my $map = eval {
1835	my $map = cf::map::find $path;	2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1836	$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
1837	$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 $@;
1838	} or	2607	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1842	})->prio (1);	2615	})->prio (1);
1843	}	2616	}
1844		2617
1845	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1846		2619
…		…
1866	}	2639	}
1867		2640
1868	sub prepare_random_map {	2641	sub prepare_random_map {
1869	my ($exit) = @_;	2642	my ($exit) = @_;
1870		2643
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2646	# that depends on the exit object
1876		2647
1877	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2650	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1884	}	2657	}
1885		2658
1886	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1887		2660
1888	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
1891		2664
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2667	undef $fh;
1895	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
1896		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1899	}	2676	}
1900	}	2677	}
1901		2678
1902	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
1904		2681
1905	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1906		2683
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2684	$self->enter_link;
1917		2685
1918	(async {	2686	(async {
1919	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1920	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
1921	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
1922		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
1923	1;	2710	1
1924	}) {	2711	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "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. "
1927	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2716
1930	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2718	$self->leave_link;
1932	}	2719	}
1933	})->prio (1);	2720	})->prio (1);
…		…
1946		2733
1947	sub cf::client::send_drawinfo {	2734	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2735	my ($self, $text, $flags) = @_;
1949		2736
1950	utf8::encode $text;	2737	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2739	}
1953		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	}
1954		2935
1955	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
1956		2937
1957	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
1958	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>,
1959	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>.
1960		2941
1961	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
1962	reliable at some point in the future.	2943	become reliable at some point in the future.
1963		2944
1964	=cut	2945	=cut
1965		2946
1966	sub cf::client::query {	2947	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2956	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2958
1978	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
1980	}	2963	}
1981		2964
1982	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	},
1983	on_reply => sub {	2971	on_reply => sub {
1984	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
1985		2973
1986	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
1987	# get handled first	2975	# get handled first
1988	my $queue = delete $ns->{query_queue}	2976	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2977	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2978
1991	(shift @$queue)->[1]->($msg);	2979	(shift @$queue)->[1]->($msg);
		2980	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2981
1993	push @{ $ns->{query_queue} }, @$queue;	2982	push @{ $ns->{query_queue} }, @$queue;
1994		2983
1995	if (@{ $ns->{query_queue} } == @$queue) {	2984	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2985	if (@$queue) {
…		…
1998	} else {	2987	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2989	}
2001	}	2990	}
2002	},	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	},
2003	);	3018	);
2004		3019
2005	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
2006		3021
2007	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2050		3065
2051	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2052		3067
2053	$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	));
2054		3073
2055	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2056		3075
2057	=pod	3076	=pod
2058		3077
2059	The following fucntions and emthods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2060		3079
2061	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
2062	cf::object::player player	3085	cf::object::player
2063	cf::player peaceful	3086	player
2064	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2065		3093
2066	=cut	3094	=cut
2067		3095
2068	for (	3096	for (
2069	["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)],
2070	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2072	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2073	) {	3103	) {
2074	no strict 'refs';	3104	no strict 'refs';
2075	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2076	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2093	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2094		3124
2095	my $qcode = $code;	3125	my $qcode = $code;
2096	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2097	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2098		3130
2099	local $_;	3131	local $_;
2100	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2101		3133
2102	my $eval =	3134	my $eval =
…		…
2145	=back	3177	=back
2146		3178
2147	=cut	3179	=cut
2148		3180
2149	#############################################################################	3181	#############################################################################
		3182	# the server's init and main functions
2150		3183
2151	=head2 EXTENSION DATABASE SUPPORT	3184	sub load_facedata($) {
		3185	my ($path) = @_;
2152		3186
2153	Crossfire maintains a very simple database for extension use. It can	3187	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3188	# for this (global event?)
2155	excludes objects.	3189	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3190
2157	The parameter C<$family> should best start with the name of the extension	3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3192
2160	=over 4	3193	warn "loading facedata from $path\n";
2161		3194
2162	=item $hashref = cf::db_get $family	3195	my $facedata;
		3196	0 < aio_load $path, $facedata
		3197	or die "$path: $!";
2163		3198
2164	Return a hashref for use by the extension C<$family>, which can be	3199	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3200
2168	=item $value = cf::db_get $family => $key	3201	$facedata->{version} == 2
		3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3203
2170	Returns a single value from the database	3204	# patch in the exptable
2171		3205	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3206	type => FT_RSRC,
2173		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3208	};
		3209	cf::cede_to_tick;
2200		3210
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3211	{
		3212	my $faces = $facedata->{faceinfo};
2212		3213
2213	my $dirty;	3214	while (my ($face, $info) = each %$faces) {
		3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3216
2215	sub db_sync() {	3217	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2218	}	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2219		3221
2220	my $idle = Event->idle (	3222	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3223	}
2254	);
2255	}
2256		3224
2257	#############################################################################	3225	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3226	next unless $info->{smooth};
2259		3227
2260	sub cfg_load {	3228	my $idx = cf::face::find $face
		3229	or next;
		3230
		3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
		3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3234	} else {
		3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3236	}
		3237
		3238	cf::cede_to_tick;
		3239	}
		3240	}
		3241
		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);
		3287
		3288	1
		3289	}
		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
		3358	sub reload_resources {
		3359	warn "reloading resource files...\n";
		3360
		3361	reload_facedata;
		3362	reload_archetypes;
		3363	reload_regions;
		3364	reload_treasures;
		3365
		3366	warn "finished reloading resource files\n";
		3367	}
		3368
		3369	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3371	or return;
2263		3372
2264	local $/;	3373	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2266		3375
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268		3377
2269	$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};
2270	$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};
…		…
2276	};	3385	};
2277	warn $@ if $@;	3386	warn $@ if $@;
2278	}	3387	}
2279	}	3388	}
2280		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
2281	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
2282	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2284	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#
2285	(async {	3436	(async {
2286	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2288	};	3440	};
2289		3441
2290	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
2291	db_load;	3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
		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
2292	load_extensions;	3460	load_extensions;
2293		3461
2294	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2295	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;
2296	}	3472	}
2297		3473
2298	#############################################################################	3474	#############################################################################
2299	# initialisation and cleanup	3475	# initialisation and cleanup
2300		3476
2301	# install some emergency cleanup handlers	3477	# install some emergency cleanup handlers
2302	BEGIN {	3478	BEGIN {
		3479	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3480	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3481	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3482	cf::cleanup "SIG$signal";
2311	},
2312	);	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
2313	}	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 };
2314	}	3571	}
2315		3572
2316	sub emergency_save() {	3573	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3574	my $freeze_guard = cf::freeze_mainloop;
2318		3575
2319	warn "enter emergency perl save\n";	3576	warn "emergency_perl_save: enter\n";
2320		3577
2321	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
2322	# use a peculiar iteration method to avoid tripping on perl	3584	# use a peculiar iteration method to avoid tripping on perl
2323	# refcount bugs in for. also avoids problems with players	3585	# refcount bugs in for. also avoids problems with players
2324	# and maps saved/destroyed asynchronously.	3586	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3587	warn "emergency_perl_save: begin player save\n";
2326	for my $login (keys %cf::PLAYER) {	3588	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3589	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3590	$pl->valid or next;
		3591	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3592	$pl->save;
2330	}	3593	}
2331	warn "end emergency player save\n";	3594	warn "emergency_perl_save: end player save\n";
2332		3595
2333	warn "begin emergency map save\n";	3596	warn "emergency_perl_save: begin map save\n";
2334	for my $path (keys %cf::MAP) {	3597	for my $path (keys %cf::MAP) {
2335	my $map = $cf::MAP{$path} or next;	3598	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3599	$map->valid or next;
2337	$map->save;	3600	$map->save;
2338	}	3601	}
2339	warn "end emergency map save\n";	3602	warn "emergency_perl_save: end map save\n";
		3603
		3604	warn "emergency_perl_save: begin database checkpoint\n";
		3605	BDB::db_env_txn_checkpoint $DB_ENV;
		3606	warn "emergency_perl_save: end database checkpoint\n";
		3607
		3608	warn "emergency_perl_save: begin write uuid\n";
		3609	write_uuid_sync 1;
		3610	warn "emergency_perl_save: end write uuid\n";
2340	};	3611	};
2341		3612
		3613	warn "emergency_perl_save: starting sync()\n";
		3614	IO::AIO::aio_sync sub {
		3615	warn "emergency_perl_save: finished sync()\n";
		3616	};
		3617
2342	warn "leave emergency perl save\n";	3618	warn "emergency_perl_save: leave\n";
2343	}	3619	}
2344		3620
		3621	sub post_cleanup {
		3622	my ($make_core) = @_;
		3623
		3624	warn Carp::longmess "post_cleanup backtrace"
		3625	if $make_core;
		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
2345	sub reload() {	3657	sub do_reload_perl() {
2346	# can/must only be called in main	3658	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3659	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3660	warn "can only reload from main coroutine";
2349	return;	3661	return;
2350	}	3662	}
2351		3663
		3664	return if $RELOAD++;
		3665
		3666	my $t1 = EV::time;
		3667
		3668	while ($RELOAD) {
2352	warn "reloading...";	3669	warn "reloading...";
2353		3670
2354	warn "cancelling server ticker";	3671	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3672
		3673	cf::sync_job {
		3674	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3675	cf::emergency_save;
		3676	cf::write_runtime_sync; # external watchdog should not bark
2358		3677
2359	eval {	3678	warn "syncing database to disk";
		3679	BDB::db_env_txn_checkpoint $DB_ENV;
		3680
2360	# 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
2361		3682
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";	3683	warn "flushing outstanding aio requests";
2371	for (;;) {	3684	while (IO::AIO::nreqs || BDB::nreqs) {
2372	IO::AIO::flush;	3685	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();
2381
2382	warn "removing commands";
2383	%COMMAND = ();
2384
2385	warn "removing ext commands";
2386	%EXTCMD = ();
2387
2388	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";
2391
2392	if (my $cb = $pkg->can ("unload")) {
2393	eval {
2394	$cb->($pkg);
2395	1
2396	} or warn "$pkg unloaded, but with errors: $@";
2397	}	3686	}
2398		3687
2399	warn "... nuking $pkg";	3688	warn "cancelling all extension coros";
2400	Symbol::delete_package $pkg;	3689	$_->cancel for values %EXT_CORO;
2401	}	3690	%EXT_CORO = ();
2402		3691
2403	warn "unloading all perl modules loaded from $LIBDIR";	3692	warn "removing commands";
2404	while (my ($k, $v) = each %INC) {	3693	%COMMAND = ();
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3694
		3695	warn "removing ext/exti commands";
		3696	%EXTCMD = ();
		3697	%EXTICMD = ();
		3698
		3699	warn "unloading/nuking all extensions";
		3700	for my $pkg (@EXTS) {
2407	warn "... unloading $k";	3701	warn "... unloading $pkg";
2408	delete $INC{$k};
2409		3702
2410	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;
2412
2413	if (my $cb = $k->can ("unload_module")) {	3703	if (my $cb = $pkg->can ("unload")) {
		3704	eval {
2414	$cb->();	3705	$cb->($pkg);
		3706	1
		3707	} or warn "$pkg unloaded, but with errors: $@";
		3708	}
		3709
		3710	warn "... clearing $pkg";
		3711	clear_package $pkg;
2415	}	3712	}
2416		3713
2417	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;
2418	}	3729	}
2419		3730
2420	warn "getting rid of safe::, as good as possible";	3731	warn "getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	3732	clear_package "safe::$_"
2422	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);
2423		3734
2424	warn "unloading cf.pm \"a bit\"";	3735	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3736	delete $INC{"cf.pm"};
		3737	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2426		3738
2427	# don't, removes xs symbols, too,	3739	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3740	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3741	#clear_package __PACKAGE__;
2430		3742
2431	warn "unload completed, starting to reload now";	3743	warn "unload completed, starting to reload now";
2432		3744
2433	warn "reloading cf.pm";	3745	warn "reloading cf.pm";
2434	require cf;	3746	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3747	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3748
2437	warn "loading config and database again";	3749	warn "loading config and database again";
2438	cf::cfg_load;	3750	cf::reload_config;
2439	cf::db_load;
2440		3751
2441	warn "loading extensions";	3752	warn "loading extensions";
2442	cf::load_extensions;	3753	cf::load_extensions;
2443		3754
		3755	if ($REATTACH_ON_RELOAD) {
2444	warn "reattaching attachments to objects/players";	3756	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3757	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3758	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3759	reattach $_ for values %MAP;
		3760	warn "reattaching attachments to players";
		3761	reattach $_ for values %PLAYER;
		3762	}
2448		3763
2449	warn "restarting server ticker";	3764	warn "running post_init jobs";
		3765	(pop @POST_INIT)->(1) while @POST_INIT;
2450		3766
2451	$TICK_WATCHER->start;	3767	warn "leaving sync_job";
		3768
		3769	1
		3770	} or do {
		3771	warn $@;
		3772	cf::cleanup "error while reloading, exiting.";
		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	};
2452	};	3796	};
2453		3797	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		3798
2465	register_command "reload" => sub {	3799	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3800	my ($who, $arg) = @_;
2467		3801
2468	if ($who->flag (FLAG_WIZ)) {	3802	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3803	$who->message ("reloading server.");
2470		3804	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3805	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3806	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3807	};
2483	}	3808	}
2484	};	3809	};
2485		3810
2486	unshift @INC, $LIBDIR;	3811	unshift @INC, $LIBDIR;
2487		3812
2488	my $bug_warning = 0;	3813	my $bug_warning = 0;
2489		3814
2490	$TICK_WATCHER = Event->timer (	3815	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3816	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3817
2493	prio => 0,	3818	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3819	return if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	3820
2496	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 {
2497	if ($Coro::current != $Coro::main) {	3835	if ($Coro::current != $Coro::main) {
2498	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"
2499	unless ++$bug_warning > 10;	3837	unless ++$bug_warning > 10;
2500	return;	3838	return;
2501	}	3839	}
2502		3840
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	3841	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		3842
2509	$WAIT_FOR_TICK->broadcast;	3843	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3844	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3845	Coro::async_pool {
2512	Event::sweep;	3846	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},
2524	);
2525
2526	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537
2538	$WRITE_RUNTIME_WATCHER = Event->timer (
2539	reentrant => 0,
2540	data => WF_AUTOCANCEL,
2541	after => 1,
2542	interval => 10,
2543	prio => 6, # keep it lowest so it acts like a watchdog
2544	cb => Coro::unblock_sub {
2545	write_runtime	3847	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3848	or warn "ERROR: unable to write runtime file: $!";
		3849	};
2547	},	3850	}
2548	);	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	}
		3870
		3871	{
		3872	# configure BDB
		3873
		3874	BDB::min_parallel 8;
		3875	BDB::max_poll_reqs $TICK * 0.1;
		3876	$AnyEvent::BDB::WATCHER->priority (1);
		3877
		3878	unless ($DB_ENV) {
		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);
		3885
		3886	cf::sync_job {
		3887	eval {
		3888	BDB::db_env_open
		3889	$DB_ENV,
		3890	$BDBDIR,
		3891	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3892	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3893	0666;
		3894
		3895	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3896	};
		3897
		3898	cf::cleanup "db_env_open(db): $@" if $@;
		3899	};
		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	};
		3911	}
		3912
		3913	{
		3914	# configure IO::AIO
		3915
		3916	IO::AIO::min_parallel 8;
		3917	IO::AIO::max_poll_time $TICK * 0.1;
		3918	undef $AnyEvent::AIO::WATCHER;
		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;
2549		3965
2550	END { cf::emergency_save }	3966	END { cf::emergency_save }
2551		3967
2552	1	3968	1
2553		3969

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