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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.241 by root, Mon Apr 16 11:09:32 2007 UTC vs.
Revision 1.460 by root, Mon Dec 15 17:04:53 2008 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 "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;	56	use Digest::MD5;
26	use Fcntl;	57	use Fcntl;
27	use YAML::Syck ();	58	use YAML ();
28	use IO::AIO 2.32 ();	59	use IO::AIO ();
29	use Time::HiRes;	60	use Time::HiRes;
30	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
31		65
32	# configure various modules to our taste	66	# configure various modules to our taste
33	#	67	#
34	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		76
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		78
47	our %COMMAND = ();	79	our %COMMAND = ();
48	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
49		81
50	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
54		87
55	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	89	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		90
59	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	92	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	109	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	115	our $DB_ENV;
69		116
70	our %CFG;	117	our %CFG;
71		118
72	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
74		122
75	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		126
81	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
84	binmode STDOUT;	139	binmode STDOUT;
85	binmode STDERR;	140	binmode STDERR;
86		141
87	# read virtual server time, if available	142	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
92	}	147	}
93		148
94	mkdir cf::localdir;	149	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		151
101	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
102		153
103	sub cf::map::normalise;	154	sub cf::map::normalise;
104		155
…		…
115	=item $cf::RUNTIME	166	=item $cf::RUNTIME
116		167
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	169	every server tick.
119		170
120	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		174
122	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
124		179
125	=item $cf::NOW	180	=item $cf::NOW
126		181
127	The time of the last (current) server tick.	182	The time of the last (current) server tick.
128		183
129	=item $cf::TICK	184	=item $cf::TICK
130		185
131	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
132		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
133	=item %cf::CFG	198	=item %cf::CFG
134		199
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	201	from wherever your confdir points to.
137		202
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		204
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	206	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
144	=back	215	=back
145		216
146	=cut	217	=cut
147		218
148	BEGIN {	219	BEGIN {
149	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	221	my $msg = join "", @_;
151	utf8::encode $msg;
152		222
153	$msg .= "\n"	223	$msg .= "\n"
154	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
155		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
156	LOG llevError, $msg;	228	LOG llevError, $msg;
157	};	229	};
158	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
159		246
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		254
167	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	256	# within the Safe compartment.
169	for my $pkg (qw(	257	for my $pkg (qw(
170	cf::global cf::attachable	258	cf::global cf::attachable
171	cf::object cf::object::player	259	cf::object cf::object::player
172	cf::client cf::player	260	cf::client cf::player
173	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
174	cf::map cf::party cf::region	263	cf::party cf::region
175	)) {	264	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	266	}
179		267
180	$Event::DIED = sub {	268	$EV::DIED = sub {
181	warn "error in event callback: @_";	269	warn "error in event callback: @_";
182	};	270	};
		271
		272	#############################################################################
183		273
184	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
185		275
186	=over 4	276	=over 4
187		277
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	297	$d
208	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
209	}	299	}
210		300
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
214		302
215	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
216		304
217	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
218		306
219	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
220		308
		309	=cut
		310
		311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		312
		313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
221	=item cf::lock_wait $string	330	=item cf::lock_wait $string
222		331
223	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
224		333
225	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
226		335
227	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
230	returned.	339	returned.
231		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
232	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
234		346
235	=cut	347	=item $locked = cf::lock_active $string
236		348
237	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
238		354
239	sub lock_wait($) {	355	sub lock_wait($) {
240	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	357	}
248		358
249	sub lock_acquire($) {	359	sub lock_acquire($) {
250	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
251		362
252	# wait, to be sure we are not locked	363	sub lock_active($) {
253	lock_wait $key;	364	$LOCKS->count ($_[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	}	365	}
262		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
268	};	431	}
269	$TICK_WATCHER->stop;	432	};
270	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		536
351	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
352		541
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
354	or return;
355		543
356	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		546
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
361	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
362		550
363	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	552	reset_signals;
365	and return;	553	&$cb
		554	}, @args;
366		555
367	close $fh	556	wantarray ? @res : $res[-1]
368	or return;	557	}
369		558
370	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
371	and return;
372		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
373	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
374	}	711	}
375		712
376	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
377		714
378	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		727
391	#############################################################################	728	#############################################################################
392		729
393	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
394		731
395	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
398		735
399	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	738	Deliantra).
402		739
403	=over 4	740	=over 4
404		741
405	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
406		743
…		…
450	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
451		788
452	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
454		791
455	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
457		794
458	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
459		796
460	=over 4	797	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
570		907
571	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		912
576	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	914	my $pkg = shift @arg;
578		915
579	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
609	}	946	}
610		947
611	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
612	} else {	949	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	951	}
615		952
616	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
617	}	954	}
618		955
…		…
620	if (ref $_[0]) {	957	if (ref $_[0]) {
621	_object_attach @_;	958	_object_attach @_;
622	} else {	959	} else {
623	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
624	}	961	}
		962	_recalc_want;
625	};	963	};
626		964
627	# all those should be optimised	965	# all those should be optimised
628	sub cf::attachable::detach {	966	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
633	reattach ($obj);	971	reattach ($obj);
634	} else {	972	} else {
635	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
636	}	974	}
		975	_recalc_want;
637	};	976	};
638		977
639	sub cf::attachable::attached {	978	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
641		980
…		…
656	";	995	";
657	die if $@;	996	die if $@;
658	}	997	}
659		998
660	our $override;	999	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1001
663	sub override {	1002	sub override {
664	$override = 1;	1003	$override = 1;
665	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
666	}	1005	}
667		1006
668	sub do_invoke {	1007	sub do_invoke {
669	my $event = shift;	1008	my $event = shift;
670	my $callbacks = shift;	1009	my $callbacks = shift;
671		1010
672	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
673		1012
674	local $override;	1013	local $override;
675		1014
676	for (@$callbacks) {	1015	for (@$callbacks) {
677	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
686	}	1025	}
687		1026
688	0	1027	0
689	}	1028	}
690		1029
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1031
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1033
695	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
696		1035
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1039
701	=back	1040	=back
702		1041
703	=cut	1042	=cut
704		1043
705	#############################################################################	1044	#############################################################################
706	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
707		1088
708	sub reattach {	1089	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1091	my ($obj) = @_;
711		1092
		1093	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1095
714	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
715		1097
716	@$registry = ();	1098	@$registry = ();
717		1099
…		…
732	cf::attachable->attach (	1114	cf::attachable->attach (
733	prio => -1000000,	1115	prio => -1000000,
734	on_instantiate => sub {	1116	on_instantiate => sub {
735	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
736		1118
737	$data = from_json $data;	1119	$data = decode_json $data;
738		1120
739	for (@$data) {	1121	for (@$data) {
740	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
741		1123
742	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1140	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
760		1142
761	sync_job {	1143	sync_job {
762	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
765		1148
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1153	aio_close $fh;
771		1154
772	if (@$objs) {	1155	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1161	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
780	}	1163	}
781	} else {	1164	} else {
782	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
783	}	1166	}
784		1167
785	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1172	} else {
787	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
788	}	1174	}
789	} else {	1175	} else {
790	aio_unlink $filename;	1176	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
792	}	1178	}
793	}	1179	};
794	}	1180	}
795		1181
796	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
798		1184
…		…
810	or return;	1196	or return;
811		1197
812	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
814	or return;	1200	or return;
		1201
815	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
816	}	1204	}
817		1205
		1206	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
820	return ($data, $av);	1210	($data, $av)
821	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
822		1218
823	#############################################################################	1219	#############################################################################
824	# command handling &c	1220	# command handling &c
825		1221
826	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1236	}
841		1237
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1239
844	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
845		1245
846	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
847	called.	1247	called.
848		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
849	=cut	1260	=cut
850		1261
851	sub register_extcmd {	1262	sub register_extcmd {
852	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
853		1264
854	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
855	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
856		1275
857	cf::player->attach (	1276	cf::player->attach (
858	on_command => sub {	1277	on_command => sub {
859	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
860		1279
…		…
868	cf::override;	1287	cf::override;
869	},	1288	},
870	on_extcmd => sub {	1289	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
872		1291
873	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1293
875	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
881	} else {	1309	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1311	}
884		1312
885	cf::override;	1313	cf::override;
886	},	1314	},
887	);	1315	);
888		1316
		1317	# "readahead" all extensions
889	sub load_extension {	1318	sub cache_extensions {
890	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
891		1320
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
893	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1324	}
917	die $@;
918	}	1325	};
919		1326
920	push @EXTS, $pkg;	1327	$grp
921	}	1328	}
922		1329
923	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
924	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1335	next unless -r $path;
926	eval {	1336
927	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
928	1	1393	}
929	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
930	}	1399	};
931	}	1400	}
932		1401
933	#############################################################################	1402	#############################################################################
934		1403
		1404	=back
		1405
935	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
936		1407
937	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
938		1409
939	=cut	1410	=cut
940		1411
941	package cf::player;	1412	package cf::player;
942		1413
…		…
944		1415
945	=head3 cf::player	1416	=head3 cf::player
946		1417
947	=over 4	1418	=over 4
948		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
949	=item cf::player::find $login	1434	=item cf::player::find $login
950		1435
951	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
952		1437
953	=cut	1438	=cut
954		1439
955	sub playerdir($) {	1440	sub playerdir($) {
956	cf::localdir	1441	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1443	}
962		1444
963	sub path($) {	1445	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1456
975	sub exists($) {	1457	sub exists($) {
976	my ($login) = @_;	1458	my ($login) = @_;
977		1459
978	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
980	}	1462	}
981		1463
982	sub find($) {	1464	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1466	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
995		1477
996	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
997	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
999	}	1487	}
1000	}	1488	}
1001	}	1489	}
1002		1490
…		…
1011	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1012		1500
1013	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1015		1503
		1504	cf::get_slot 0.01;
		1505
1016	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1017	Coro::cede;	1507	cf::cede_to_tick;
1018	}	1508	}
1019		1509
1020	sub new($) {	1510	sub new($) {
1021	my ($login) = @_;	1511	my ($login) = @_;
1022		1512
…		…
1028	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1029		1519
1030	$self	1520	$self
1031	}	1521	}
1032		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1033	=item $pl->quit_character	1533	=item $pl->quit_character
1034		1534
1035	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1037		1537
…		…
1041	my ($pl) = @_;	1541	my ($pl) = @_;
1042		1542
1043	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1044		1544
1045	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1547
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1052		1554
1053	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1085		1587
1086	=cut	1588	=cut
1087		1589
1088	sub list_logins {	1590	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1592	or return [];
1091		1593
1092	my @logins;	1594	my @logins;
1093		1595
1094	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1098		1606
1099	utf8::decode $login;	1607	utf8::decode $login;
1100	push @logins, $login;	1608	push @logins, $login;
1101	}	1609	}
1102		1610
…		…
1129	}	1637	}
1130		1638
1131	\@paths	1639	\@paths
1132	}	1640	}
1133		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1134	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1135		1647
1136	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1137		1649
1138	=cut	1650	=cut
1139		1651
1140	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1142		1654
1143	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1656	}
1147		1657
1148	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1149		1659
1150	Sends an ext event to the client.	1660	Sends an ext event to the client.
1151		1661
1152	=cut	1662	=cut
1153		1663
1154	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1156		1666
1157	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1158	}	1668	}
1159		1669
1160	=head3 cf::region	1670	=head3 cf::region
1161		1671
1162	=over 4	1672	=over 4
…		…
1165		1675
1166	package cf::region;	1676	package cf::region;
1167		1677
1168	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1169		1679
1170	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1171		1681
1172	=cut	1682	=cut
1173		1683
1174	sub find_by_path($) {	1684	sub find_by_path($) {
1175	my ($path) = @_;	1685	my ($path) = @_;
1176		1686
1177	my ($match, $specificity);	1687	my ($match, $specificity);
1178		1688
1179	for my $region (list) {	1689	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1183	}	1693	}
1184	}	1694	}
1185		1695
…		…
1206	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1208		1718
1209	sub generate_random_map {	1719	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1211	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1725	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1250		1763
1251	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1252	local $self->{path};	1765	local $self->{path};
1253	local $self->{load_path};	1766	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1767
1257	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1258	}	1769	}
1259		1770
1260	sub normalise {	1771	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1308	return $self;	1819	return $self;
1309	}	1820	}
1310	}	1821	}
1311		1822
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1824	()
1314	}	1825	}
1315		1826
1316	sub init {	1827	sub init {
1317	my ($self) = @_;	1828	my ($self) = @_;
…		…
1332		1843
1333	# the original (read-only) location	1844	# the original (read-only) location
1334	sub load_path {	1845	sub load_path {
1335	my ($self) = @_;	1846	my ($self) = @_;
1336		1847
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1338	}	1849	}
1339		1850
1340	# the temporary/swap location	1851	# the temporary/swap location
1341	sub save_path {	1852	sub save_path {
1342	my ($self) = @_;	1853	my ($self) = @_;
1343		1854
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1346	}	1857	}
1347		1858
1348	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1349	sub uniq_path {	1860	sub uniq_path {
1350	my ($self) = @_;	1861	my ($self) = @_;
1351		1862
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1354	}	1865	}
1355		1866
1356	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1357	# all maps in C++...	1868	# all maps in C++...
1358	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1360		1871
1361	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1363	}	1874	}
1364		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1365	sub unlink_save {	1884	sub unlink_save {
1366	my ($self) = @_;	1885	my ($self) = @_;
1367		1886
1368	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1891
1373	sub load_header_from($) {	1892	sub load_header_from($) {
1374	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1375		1894
1376	utf8::encode $path;	1895	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1382		1904
1383	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1384		1906
1385	1	1907	1
1386	}	1908	}
…		…
1425	$self->load_header_orig	1947	$self->load_header_orig
1426	or return;	1948	or return;
1427	$self->prepare_orig;	1949	$self->prepare_orig;
1428	}	1950	}
1429		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
1430	$self->default_region (cf::region::find_by_path $self->{path})	1955	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1956	unless $self->default_region;
1432		1957
1433	1	1958	1
1434	}	1959	}
…		…
1437	sub find {	1962	sub find {
1438	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1439		1964
1440	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1441		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1969
1444	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1447	or return;	1972	or return;
1448		1973
1449	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1450		1975
1451	$map->load_header	1976	$map->load_header
1452	or return;	1977	or return;
1453		1978
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1457	$map->reset;	1984	$map->reset;
1458	undef $guard;
1459	return find $path;	1985	return find $path;
1460	}	1986	}
1461		1987
1462	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1463	}	1989	}
…		…
1470	my ($self) = @_;	1996	my ($self) = @_;
1471		1997
1472	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1473		1999
1474	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1476		2004
		2005	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2007
1479	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1480		2009
1481	$self->alloc;	2010	$self->alloc;
1482		2011
1483	$self->pre_load;	2012	$self->pre_load;
1484	Coro::cede;	2013	cf::cede_to_tick;
1485		2014
1486	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1487	or return;	2018	or return;
1488		2019
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1490	if delete $self->{load_original};	2021	if delete $self->{load_original};
1491		2022
1492	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2024	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2027	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1497	}	2031	}
1498	}	2032	}
1499		2033
1500	Coro::cede;	2034	$f->resolve_delayed_derefs;
		2035
		2036	cf::cede_to_tick;
1501	# now do the right thing for maps	2037	# now do the right thing for maps
1502	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2040	unless $self->difficulty;
1513	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1514	$self->activate;	2050	$self->activate;
1515	Coro::cede;	2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2057	}
1517		2058
1518	$self->post_load;	2059	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2060	}
1523		2061
1524	sub customise_for {	2062	sub customise_for {
1525	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1526		2064
1527	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2066	if $self->per_player;
1529		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1530	$self	2071	$self
1531	}	2072	}
1532		2073
1533	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2075	sub load_neighbours {
1535	my ($map) = @_;	2076	my ($map) = @_;
1536		2077
1537	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1538		2079
1539	for (0 .. 3) {	2080	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1541	or next;	2082	or next;
1542	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1543	or next;	2084	or next;
1544	$neigh->load;	2085	$neigh->load;
1545		2086
		2087	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2090	}
1549		2091
1550	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1552	or next;	2095	or next;
1553	$neigh->load;	2096	$neigh->load;
1554	}	2097	}
1555	}	2098	}
1556		2099
…		…
1561	}	2104	}
1562		2105
1563	sub do_load_sync {	2106	sub do_load_sync {
1564	my ($map) = @_;	2107	my ($map) = @_;
1565		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1566	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1567	}	2113	}
1568		2114
1569	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1571		2117
1572	sub find_async {	2118	sub find_async {
1573	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1574		2120
1575	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1576		2122
1577	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2125	}
1580		2126
1581	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1582	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1583	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2134	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2135	$map->load if $v;
		2136	}
1588		2137
1589	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1590	}	2139	}
1591	}	2140	}
1592	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1593	};	2142	};
1594	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2146	}
1598		2147
1599	sub save {	2148	sub save {
1600	my ($self) = @_;	2149	my ($self) = @_;
1601		2150
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2152
1604	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1605		2154
1606	return unless $self->dirty;	2155	return unless $self->dirty;
1607		2156
…		…
1613	return if $self->{deny_save};	2162	return if $self->{deny_save};
1614		2163
1615	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1616		2165
1617	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1619	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1620		2172
1621	if ($uniq) {	2173	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2176	} else {
…		…
1630	my ($self) = @_;	2182	my ($self) = @_;
1631		2183
1632	# save first because save cedes	2184	# save first because save cedes
1633	$self->save;	2185	$self->save;
1634		2186
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2188
1637	return if $self->players;	2189	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2191	return if $self->{deny_save};
1640		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2197	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2198	}
1644		2199
1645	sub reset_at {	2200	sub reset_at {
1646	my ($self) = @_;	2201	my ($self) = @_;
1647		2202
1648	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1651		2205
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2208
…		…
1665	my ($self) = @_;	2219	my ($self) = @_;
1666		2220
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2222
1669	return if $self->players;	2223	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2224
1672	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1673		2226
1674	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1675		2228
1676	# need to save uniques path	2229	# need to save uniques path
1677	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2234	if $uniq;
1682	}	2235	}
1683		2236
1684	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1685		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2241	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2242
1690	$self->unlink_save;	2243	$self->unlink_save;
1691	$self->destroy;	2244	$self->destroy;
1692	}	2245	}
1693		2246
1694	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1695		2248
1696	sub nuke {	2249	sub nuke {
1697	my ($self) = @_;	2250	my ($self) = @_;
1698		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1699	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1700		2256
1701	$self->unlink_save;	2257	$self->unlink_save;
1702		2258
1703	bless $self, "cf::map";	2259	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2264
1709	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1710		2267
1711	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1712	}	2305	}
1713		2306
1714	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1715		2308
1716	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2310	instantiated unique items. May block.
1718		2311
1719	=cut	2312	=cut
1720		2313
1721	sub unique_maps() {	2314	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1723	or return;	2316	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2317	utf8::decode $_;
1729	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2320	? ()
1732	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2323	]
1734
1735	\@paths
1736	}	2324	}
1737
1738	package cf;
1739		2325
1740	=back	2326	=back
1741		2327
1742	=head3 cf::object	2328	=head3 cf::object
1743		2329
…		…
1747		2333
1748	=over 4	2334	=over 4
1749		2335
1750	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1751		2337
1752	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1753		2340
1754	=cut	2341	=cut
1755		2342
1756	sub inv_recursive_;	2343	sub inv_recursive_;
1757	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1760		2347
1761	sub inv_recursive {	2348	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1763	}	2350	}
1764		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1765	package cf;	2380	package cf;
1766		2381
1767	=back	2382	=back
1768		2383
1769	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1778		2393
1779	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1780		2409
1781	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2411	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1786		2415
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2417
1789	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1791	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1794	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1795	}	2443	}
1796		2444
1797	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1798		2446
1799	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1812		2460
1813	=item $player_object->enter_link	2461	=item $player_object->enter_link
1814		2462
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2464
1817	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1819		2469
1820	Will never block.	2470	Will never block.
1821		2471
1822	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1823		2473
…		…
1846	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1847		2497
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2499
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1852		2502
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2504	}
1855		2505
1856	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1858		2510
1859	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1860		2512
1861	unless ($map) {	2513	unless ($map) {
1862	# restore original map position	2514	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1879		2531
1880	$map->load;	2532	$map->load;
1881	$map->load_diag;	2533	$map->load_neighbours;
1882		2534
1883	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2537	$self->activate_recursive;
1885		2538
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1888	}	2541	}
1889		2542
1890	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2544
1894	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1898	};	2549	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2550
1904	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2553
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1925		2557
1926	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2563
1929	$self->enter_link;	2564	$self->enter_link;
1930		2565
1931	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1932	my $map = eval {	2588	my $map = eval {
1933	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1935	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2604	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1940	})->prio (1);	2612	})->prio (1);
1941	}	2613	}
1942		2614
1943	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1944		2616
…		…
1964	}	2636	}
1965		2637
1966	sub prepare_random_map {	2638	sub prepare_random_map {
1967	my ($exit) = @_;	2639	my ($exit) = @_;
1968		2640
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2643	# that depends on the exit object
1974		2644
1975	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2647	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1982	}	2654	}
1983		2655
1984	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1985		2657
1986	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1989		2661
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2664	undef $fh;
1993	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1994		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1997	}	2673	}
1998	}	2674	}
1999		2675
2000	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2002		2678
2003	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2004		2680
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2681	$self->enter_link;
2017		2682
2018	(async {	2683	(async {
2019	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
2020	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2021	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2022		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2023	1;	2707	1
2024	}) {	2708	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2713
2030	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2049		2733
2050	utf8::encode $text;	2734	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2736	}
2053		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
2054	=item $client->ext_event ($type, %msg)	2889	=item $client->ext_msg ($type, @msg)
2055		2890
2056	Sends an exti event to the client.	2891	Sends an ext event to the client.
2057		2892
2058	=cut	2893	=cut
2059		2894
2060	sub cf::client::ext_event($$%) {	2895	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2896	my ($self, $type, @msg) = @_;
2062		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2901	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
2065	}	2922	}
2066		2923
2067	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2068		2925
2069	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2929
2073	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2931	become reliable at some point in the future.
2075		2932
2076	=cut	2933	=cut
2077		2934
2078	sub cf::client::query {	2935	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2944	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2946
2090	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2092	}	2951	}
2093		2952
2094	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2095	on_reply => sub {	2959	on_reply => sub {
2096	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2097		2961
2098	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2099	# get handled first	2963	# get handled first
…		…
2111	} else {	2975	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2977	}
2114	}	2978	}
2115	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2116	);	3006	);
2117		3007
2118	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2119		3009
2120	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2163		3053
2164	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2165		3055
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2167		3061
2168	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2169		3063
2170	=pod	3064	=pod
2171		3065
2172	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2173		3067
2174	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2175	cf::object::player player	3072	cf::object::player
2176	cf::player peaceful	3073	player
2177	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2178		3080
2179	=cut	3081	=cut
2180		3082
2181	for (	3083	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2186	) {	3090	) {
2187	no strict 'refs';	3091	no strict 'refs';
…		…
2258	=back	3162	=back
2259		3163
2260	=cut	3164	=cut
2261		3165
2262	#############################################################################	3166	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3167	# the server's init and main functions
2336		3168
2337	sub load_facedata {	3169	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3177
2340	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2341		3179
2342	my $facedata;	3180	my $facedata;
2343	0 < aio_load $path, $facedata	3181	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3184	$facedata = Coro::Storable::thaw $facedata;
2347		3185
2348	$facedata->{version} == 2	3186	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
2351	{	3196	{
2352	my $faces = $facedata->{faceinfo};	3197	my $faces = $facedata->{faceinfo};
2353		3198
2354	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3206
		3207	cf::cede_to_tick;
2360	}	3208	}
2361		3209
2362	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2364	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2365	or next;	3214	or next;
		3215
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3219	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3221	}
2371	Coro::cede;	3222
		3223	cf::cede_to_tick;
2372	}	3224	}
2373	}	3225	}
2374		3226
2375	{	3227	{
2376	my $anims = $facedata->{animinfo};	3228	my $anims = $facedata->{animinfo};
2377		3229
2378	while (my ($anim, $info) = each %$anims) {	3230	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3232	cf::cede_to_tick;
2381	}	3233	}
2382		3234
2383	cf::anim::invalidate_all; # d'oh	3235	cf::anim::invalidate_all; # d'oh
2384	}	3236	}
2385		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
2386	1	3273	1
2387	}	3274	}
2388		3275
2389	our $archetypes_loaded;	3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
2390		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
		3320	or die "unable to load regions file\n";
		3321
		3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
2391	sub load_archetypes {	3333	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3334	load_resource_file "$DATADIR/archetypes"
2393	load_archetype_file sprintf "%s/archetypes", cf::datadir	3335	or die "unable to load archetypes\n";
2394	}	3336	}
2395		3337
2396	sub load_treasures {	3338	sub reload_treasures {
2397	load_treasure_file sprintf "%s/treasures", cf::datadir	3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
2398	}	3341	}
2399		3342
2400	sub reload_resources {	3343	sub reload_resources {
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3344	warn "reloading resource files...\n";
2402	or die "unable to load regions file\n";	3345
2403	load_facedata	3346	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3347	reload_archetypes;
2406	or die "unable to load archetypes\n";	3348	reload_regions;
2407	load_treasures	3349	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409	}
2410		3350
2411	sub init {	3351	warn "finished reloading resource files\n";
2412	reload_resources;
2413	}	3352	}
2414		3353
2415	sub cfg_load {	3354	sub reload_config {
2416	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2417	or return;	3356	or return;
2418		3357
2419	local $/;	3358	local $/;
2420	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2421		3360
2422	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2423		3362
2424	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2425	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2431	};	3370	};
2432	warn $@ if $@;	3371	warn $@ if $@;
2433	}	3372	}
2434	}	3373	}
2435		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2436	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2437	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2438	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2439	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2440	(async {	3413	(async {
2441	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2442	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2443	};	3417	};
2444		3418
2445	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2446	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2447	load_extensions;	3437	load_extensions;
2448		3438
2449	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2450	Event::loop;	3447	EV::loop;
2451	}	3448	}
2452		3449
2453	#############################################################################	3450	#############################################################################
2454	# initialisation and cleanup	3451	# initialisation and cleanup
2455		3452
2456	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2457	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2458	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2459	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2460	reentrant => 0,
2461	data => WF_AUTOCANCEL,
2462	signal => $signal,
2463	prio => 0,
2464	cb => sub {
2465	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2466	},
2467	);	3459	};
		3460	}
		3461	}
		3462
		3463	sub write_runtime_sync {
		3464	# first touch the runtime file to show we are still running:
		3465	# the fsync below can take a very very long time.
		3466
		3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3468
		3469	my $guard = cf::lock_acquire "write_runtime";
		3470
		3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = $cf::RUNTIME + 90 + 10;
		3475	# 10 is the runtime save interval, for a monotonic clock
		3476	# 60 allows for the watchdog to kill the server.
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	# touch it again to show we are up-to-date
		3486	aio_utime $fh, undef, undef;
		3487
		3488	close $fh
		3489	or return;
		3490
		3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3492	and return;
		3493
		3494	warn "runtime file written.\n";
		3495
2468	}	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2469	}	3547	}
2470		3548
2471	sub emergency_save() {	3549	sub emergency_save() {
2472	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2473		3551
2474	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2475		3553
2476	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2477	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2478	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2479	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2480	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2481	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2482	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2483	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2484	$pl->save;	3568	$pl->save;
2485	}	3569	}
2486	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2487		3571
2488	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2489	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2490	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2491	$map->valid or next;	3575	$map->valid or next;
2492	$map->save;	3576	$map->save;
2493	}	3577	}
2494	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2495		3579
2496	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2497	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2498	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2499	};	3587	};
2500		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2501	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2502	}	3595	}
2503		3596
2504	sub post_cleanup {	3597	sub post_cleanup {
2505	my ($make_core) = @_;	3598	my ($make_core) = @_;
2506		3599
2507	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
2508	if $make_core;	3601	if $make_core;
2509	}
2510		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
		3631	}
		3632
2511	sub reload() {	3633	sub do_reload_perl() {
2512	# can/must only be called in main	3634	# can/must only be called in main
2513	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2514	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2515	return;	3637	return;
2516	}	3638	}
2517		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2518	warn "reloading...";	3645	warn "reloading...";
2519		3646
2520	warn "entering sync_job";	3647	warn "entering sync_job";
2521		3648
2522	cf::sync_job {	3649	cf::sync_job {
2523	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
2524	cf::emergency_save;	3651	cf::emergency_save;
2525	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
2526		3653
2527	warn "syncing database to disk";	3654	warn "syncing database to disk";
2528	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
2529		3656
2530	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2531		3658
2532	warn "cancelling all WF_AUTOCANCEL watchers";
2533	for (Event::all_watchers) {
2534	$_->cancel if $_->data & WF_AUTOCANCEL;
2535	}
2536
2537	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2538	for (;;) {
2539	BDB::flush;
2540	IO::AIO::flush;
2541	Coro::cede;
2542	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2543	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2544	}
2545
2546	++$RELOAD;
2547
2548	warn "cancelling all extension coros";
2549	$_->cancel for values %EXT_CORO;
2550	%EXT_CORO = ();
2551
2552	warn "removing commands";
2553	%COMMAND = ();
2554
2555	warn "removing ext commands";
2556	%EXTCMD = ();
2557
2558	warn "unloading/nuking all extensions";
2559	for my $pkg (@EXTS) {
2560	warn "... unloading $pkg";
2561
2562	if (my $cb = $pkg->can ("unload")) {
2563	eval {
2564	$cb->($pkg);
2565	1
2566	} or warn "$pkg unloaded, but with errors: $@";
2567	}	3662	}
2568		3663
2569	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2570	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2571	}	3666	%EXT_CORO = ();
2572		3667
2573	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2574	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2575	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2576		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2577	warn "... unloading $k";	3677	warn "... unloading $pkg";
2578	delete $INC{$k};
2579		3678
2580	$k =~ s/\.pm$//;
2581	$k =~ s/\//::/g;
2582
2583	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2584	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2585	}	3688	}
2586		3689
2587	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
2588	}	3705	}
2589		3706
2590	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2591	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2592	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2593		3710
2594	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2595	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
		3713	delete $INC{"cf/pod.pm"};
2596		3714
2597	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2598	# and global variables created in xs	3716	# and global variables created in xs
2599	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2600		3718
2601	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2602		3720
2603	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2604	require cf;	3722	require cf;
2605	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2606		3724
2607	warn "loading config and database again";	3725	warn "loading config and database again";
2608	cf::cfg_load;	3726	cf::reload_config;
2609		3727
2610	warn "loading extensions";	3728	warn "loading extensions";
2611	cf::load_extensions;	3729	cf::load_extensions;
2612		3730
		3731	if ($REATTACH_ON_RELOAD) {
2613	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2614	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
2615	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2616	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
2617	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
2618	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
2619		3739
2620	warn "loading reloadable resources";	3740	warn "running post_init jobs";
2621	reload_resources;	3741	(pop @POST_INIT)->(1) while @POST_INIT;
2622		3742
2623	warn "leaving sync_job";	3743	warn "leaving sync_job";
2624		3744
2625	1	3745	1
2626	} or do {	3746	} or do {
2627	warn $@;	3747	warn $@;
2628	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
2629	exit 1;	3749	};
		3750
		3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
		3757	};
		3758
		3759	our $RELOAD_WATCHER; # used only during reload
		3760
		3761	sub reload_perl() {
		3762	# doing reload synchronously and two reloads happen back-to-back,
		3763	# coro crashes during coro_state_free->destroy here.
		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
		3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3769	do_reload_perl;
		3770	undef $RELOAD_WATCHER;
		3771	};
2630	};	3772	};
2631		3773	}
2632	warn "reloaded";
2633	};
2634
2635	our $RELOAD_WATCHER; # used only during reload
2636		3774
2637	register_command "reload" => sub {	3775	register_command "reload" => sub {
2638	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2639		3777
2640	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2641	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
2642		3780	async {
2643	# doing reload synchronously and two reloads happen back-to-back,	3781	$Coro::current->{desc} = "perl_reload";
2644	# coro crashes during coro_state_free->destroy here.
2645
2646	$RELOAD_WATCHER ||= Event->timer (
2647	reentrant => 0,
2648	after => 0,
2649	data => WF_AUTOCANCEL,
2650	cb => sub {
2651	reload;	3782	reload_perl;
2652	undef $RELOAD_WATCHER;
2653	},
2654	);	3783	};
2655	}	3784	}
2656	};	3785	};
2657		3786
2658	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2659		3788
…		…
2661		3790
2662	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
2663	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
2664		3793
2665	sub wait_for_tick {	3794	sub wait_for_tick {
2666	return unless $TICK_WATCHER->is_active;
2667	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2668		3796
2669	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
2670	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
2671	$signal->wait;	3799	$signal->wait;
2672	}	3800	}
2673		3801
2674	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
2677		3804
2678	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
2680	$signal->wait;	3807	$signal->wait;
2681	}	3808	}
2682		3809
2683	$TICK_WATCHER = Event->timer (	3810	sub tick {
2684	reentrant => 0,
2685	parked => 1,
2686	prio => 0,
2687	at => $NEXT_TICK || $TICK,
2688	data => WF_AUTOCANCEL,
2689	cb => sub {
2690	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
2691	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2692	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
2693	return;	3814	return;
2694	}	3815	}
2695		3816
2696	$NOW = Event::time;
2697
2698	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2699	$RUNTIME += $TICK;
2700	$NEXT_TICK += $TICK;
2701		3818
2702	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2703	$NEXT_RUNTIME_WRITE = $NOW + 10;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2704	Coro::async_pool {	3821	Coro::async_pool {
		3822	$Coro::current->{desc} = "runtime saver";
2705	write_runtime	3823	write_runtime_sync
2706	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
2707	};
2708	}	3825	};
		3826	}
2709		3827
2710	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2711	$sig->send;	3829	$sig->send;
2712	}	3830	}
2713	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
2714	$sig->send;	3832	$sig->send;
2715	}
2716
2717	# my $AFTER = Event::time;
2718	# warn $AFTER - $NOW;#d#
2719
2720	# if we are delayed by four ticks or more, skip them all
2721	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2722
2723	$TICK_WATCHER->at ($NEXT_TICK);
2724	$TICK_WATCHER->start;
2725	},	3833	}
2726	);	3834
		3835	$LOAD = ($NOW - $TICK_START) / $TICK;
		3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3837
		3838	if (0) {
		3839	if ($NEXT_TICK) {
		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
		3844	}
		3845	}
2727		3846
2728	{	3847	{
2729	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
2730	$BDB_POLL_WATCHER = Event->io (	3849
2731	reentrant => 0,
2732	fd => BDB::poll_fileno,
2733	poll => 'r',
2734	prio => 0,
2735	data => WF_AUTOCANCEL,
2736	cb => \&BDB::poll_cb,
2737	);
2738	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
2739		3851	BDB::max_poll_reqs $TICK * 0.1;
2740	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
2741	my $status;
2742	my $current = $Coro::current;
2743	(
2744	sub {
2745	$status = $!;
2746	$current->ready; undef $current;
2747	},
2748	sub {
2749	Coro::schedule while defined $current;
2750	$! = $status;
2751	},
2752	)
2753	};
2754		3853
2755	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
2756	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2757		3861
2758	cf::sync_job {	3862	cf::sync_job {
2759	eval {	3863	eval {
2760	BDB::db_env_open	3864	BDB::db_env_open
2761	$DB_ENV,	3865	$DB_ENV,
2762	$BDB_ENV_DIR,	3866	$BDBDIR,
2763	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2764	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2765	0666;	3869	0666;
2766		3870
2767	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2768
2769	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2770	$DB_ENV->set_lk_detect;
2771	};	3872	};
2772		3873
2773	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
2774	};	3875	};
2775	}	3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
2776	}	3887	}
2777		3888
2778	{	3889	{
		3890	# configure IO::AIO
		3891
2779	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
2780
2781	undef $Coro::AIO::WATCHER;
2782	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
2783	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	fd => IO::AIO::poll_fileno,
2787	poll => 'r',
2788	prio => 6,
2789	cb => \&IO::AIO::poll_cb,
2790	);
2791	}	3895	}
		3896
		3897	my $_log_backtrace;
		3898
		3899	sub _log_backtrace {
		3900	my ($msg, @addr) = @_;
		3901
		3902	$msg =~ s/\n//;
		3903
		3904	# limit the # of concurrent backtraces
		3905	if ($_log_backtrace < 2) {
		3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
		3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
		3911	my @bt = fork_call {
		3912	@addr = map { sprintf "%x", $_ } @addr;
		3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3915	or die "addr2line: $!";
		3916
		3917	my @funcs;
		3918	my @res = <$fh>;
		3919	chomp for @res;
		3920	while (@res) {
		3921	my ($func, $line) = splice @res, 0, 2, ();
		3922	push @funcs, "[$func] $line";
		3923	}
		3924
		3925	@funcs
		3926	};
		3927
		3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3930	LOG llevInfo, "[ABT] $_\n" for @bt;
		3931	--$_log_backtrace;
		3932	};
		3933	} else {
		3934	LOG llevInfo, "[ABT] $msg\n";
		3935	LOG llevInfo, "[ABT] [suppressed]\n";
		3936	}
		3937	}
		3938
		3939	# load additional modules
		3940	use cf::pod;
2792		3941
2793	END { cf::emergency_save }	3942	END { cf::emergency_save }
2794		3943
2795	1	3944	1
2796		3945

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