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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 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 Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	90
		91	our $CONFDIR = confdir;
		92	our $DATADIR = datadir;
		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;
60		106
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	109	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	115	our $DB_ENV;
71		116
72	our %CFG;	117	our %CFG;
73		118
74	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
76		122
77	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		126
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
86	binmode STDOUT;	139	binmode STDOUT;
87	binmode STDERR;	140	binmode STDERR;
88		141
89	# read virtual server time, if available	142	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
94	}	147	}
95		148
96	mkdir cf::localdir;	149	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		151
103	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
104		153
105	sub cf::map::normalise;	154	sub cf::map::normalise;
106		155
…		…
117	=item $cf::RUNTIME	166	=item $cf::RUNTIME
118		167
119	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
120	every server tick.	169	every server tick.
121		170
122	=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
123		174
124	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		179
127	=item $cf::NOW	180	=item $cf::NOW
128		181
129	The time of the last (current) server tick.	182	The time of the last (current) server tick.
130		183
131	=item $cf::TICK	184	=item $cf::TICK
132		185
133	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	198	=item %cf::CFG
136		199
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	201	from wherever your confdir points to.
139		202
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		204
142	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
143	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
144	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.
145		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
146	=back	215	=back
147		216
148	=cut	217	=cut
149		218
150	BEGIN {	219	BEGIN {
…		…
152	my $msg = join "", @_;	221	my $msg = join "", @_;
153		222
154	$msg .= "\n"	223	$msg .= "\n"
155	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
156		225
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		227
159	utf8::encode $msg;
160	LOG llevError, $msg;	228	LOG llevError, $msg;
161	};	229	};
162	}	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#?
163		246
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		254
171	# 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
172	# within the Safe compartment.	256	# within the Safe compartment.
173	for my $pkg (qw(	257	for my $pkg (qw(
174	cf::global cf::attachable	258	cf::global cf::attachable
175	cf::object cf::object::player	259	cf::object cf::object::player
176	cf::client cf::player	260	cf::client cf::player
177	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
178	cf::map cf::party cf::region	263	cf::party cf::region
179	)) {	264	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	266	}
183		267
184	$Event::DIED = sub {	268	$EV::DIED = sub {
185	warn "error in event callback: @_";	269	warn "error in event callback: @_";
186	};	270	};
		271
		272	#############################################################################
187		273
188	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
189		275
190	=over 4	276	=over 4
191		277
…		…
210	$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;
211	$d	297	$d
212	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
213	}	299	}
214		300
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
218		302
219	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
220		304
221	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
222		306
223	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	330	=item cf::lock_wait $string
226		331
227	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
228		333
229	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
230		335
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
234	returned.	339	returned.
235		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
236	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
237	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
238		346
239	=cut	347	=item $locked = cf::lock_active $string
240		348
241	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
242		354
243	sub lock_wait($) {	355	sub lock_wait($) {
244	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	357	}
252		358
253	sub lock_acquire($) {	359	sub lock_acquire($) {
254	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
255		362
256	# wait, to be sure we are not locked	363	sub lock_active($) {
257	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	365	}
266		366
267	sub freeze_mainloop {	367	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
269		369
270	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
272	};	431	}
273	$TICK_WATCHER->stop;	432	};
274	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
275	}	446	}
276		447
277	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
278		449
279	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		455
285	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
286		457
287	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
288		459
289	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
292		464
293	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
296	fast or be very important.	468	fast or be very important.
…		…
299		471
300	sub sync_job(&) {	472	sub sync_job(&) {
301	my ($job) = @_;	473	my ($job) = @_;
302		474
303	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
304	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
306		480
307	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	482
309	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
310		484
311	my $busy = 1;	485	my $busy = 1;
312	my @res;	486	my @res;
313		487
314	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	490	@res = eval { $job->() };
316	warn $@ if $@;	491	warn $@ if $@;
317	undef $busy;	492	undef $busy;
318	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
319		494
320	while ($busy) {	495	while ($busy) {
321	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
322	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
323		506
324	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
325	} else {	508	} else {
326	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
327		510
…		…
347	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
348		531
349	$coro	532	$coro
350	}	533	}
351		534
352	sub write_runtime {	535	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		536
355	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.
356		541
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
358	or return;
359		543
360	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		546
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
365	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
366		550
367	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	552	reset_signals;
369	and return;	553	&$cb
		554	}, @args;
370		555
371	close $fh	556	wantarray ? @res : $res[-1]
372	or return;	557	}
373		558
374	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
375	and return;
376		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
377	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
378	}	711	}
379		712
380	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
381		714
382	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.
…		…
394		727
395	#############################################################################	728	#############################################################################
396		729
397	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
398		731
399	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
400	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")
401	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
402		735
403	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>
404	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
405	crossfire+).	738	Deliantra).
406		739
407	=over 4	740	=over 4
408		741
409	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
410		743
…		…
454	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
455		788
456	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
458		791
459	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		794
462	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
463		796
464	=over 4	797	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
574		907
575	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		912
580	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	914	my $pkg = shift @arg;
582		915
583	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
613	}	946	}
614		947
615	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
616	} else {	949	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	951	}
619		952
620	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
621	}	954	}
622		955
…		…
624	if (ref $_[0]) {	957	if (ref $_[0]) {
625	_object_attach @_;	958	_object_attach @_;
626	} else {	959	} else {
627	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
628	}	961	}
		962	_recalc_want;
629	};	963	};
630		964
631	# all those should be optimised	965	# all those should be optimised
632	sub cf::attachable::detach {	966	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
637	reattach ($obj);	971	reattach ($obj);
638	} else {	972	} else {
639	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
640	}	974	}
		975	_recalc_want;
641	};	976	};
642		977
643	sub cf::attachable::attached {	978	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
645		980
…		…
660	";	995	";
661	die if $@;	996	die if $@;
662	}	997	}
663		998
664	our $override;	999	our $override;
665	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?
666		1001
667	sub override {	1002	sub override {
668	$override = 1;	1003	$override = 1;
669	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
670	}	1005	}
671		1006
672	sub do_invoke {	1007	sub do_invoke {
673	my $event = shift;	1008	my $event = shift;
674	my $callbacks = shift;	1009	my $callbacks = shift;
675		1010
676	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
677		1012
678	local $override;	1013	local $override;
679		1014
680	for (@$callbacks) {	1015	for (@$callbacks) {
681	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
690	}	1025	}
691		1026
692	0	1027	0
693	}	1028	}
694		1029
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1031
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1033
699	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
700		1035
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1039
705	=back	1040	=back
706		1041
707	=cut	1042	=cut
708		1043
709	#############################################################################	1044	#############################################################################
710	# 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, $ob2
		1087	}
711		1088
712	sub reattach {	1089	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1091	my ($obj) = @_;
715		1092
		1093	# no longer needed after getting rid of delete_package?
716	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
717		1095
718	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
719		1097
720	@$registry = ();	1098	@$registry = ();
721		1099
…		…
736	cf::attachable->attach (	1114	cf::attachable->attach (
737	prio => -1000000,	1115	prio => -1000000,
738	on_instantiate => sub {	1116	on_instantiate => sub {
739	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
740		1118
741	$data = from_json $data;	1119	$data = decode_json $data;
742		1120
743	for (@$data) {	1121	for (@$data) {
744	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
745		1123
746	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1140	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
764		1142
765	sync_job {	1143	sync_job {
766	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
769		1148
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1153	aio_close $fh;
775		1154
776	if (@$objs) {	1155	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1161	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
784	}	1163	}
785	} else {	1164	} else {
786	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
787	}	1166	}
788		1167
789	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1172	} else {
791	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
792	}	1174	}
793	} else {	1175	} else {
794	aio_unlink $filename;	1176	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
796	}	1178	}
797	}	1179	};
798	}	1180	}
799		1181
800	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
802		1184
…		…
814	or return;	1196	or return;
815		1197
816	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
818	or return;	1200	or return;
		1201
819	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
820	}	1204	}
821		1205
		1206	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
824	return ($data, $av);	1210	($data, $av)
825	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
826		1218
827	#############################################################################	1219	#############################################################################
828	# command handling &c	1220	# command handling &c
829		1221
830	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1236	}
845		1237
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1239
848	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.
849		1245
850	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
851	called.	1247	called.
852		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
853	=cut	1260	=cut
854		1261
855	sub register_extcmd {	1262	sub register_extcmd {
856	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
857		1264
858	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
859	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
860		1275
861	cf::player->attach (	1276	cf::player->attach (
862	on_command => sub {	1277	on_command => sub {
863	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
864		1279
…		…
872	cf::override;	1287	cf::override;
873	},	1288	},
874	on_extcmd => sub {	1289	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
876		1291
877	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1293
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
885	} else {	1309	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1311	}
888		1312
889	cf::override;	1313	cf::override;
890	},	1314	},
891	);	1315	);
892		1316
		1317	# "readahead" all extensions
893	sub load_extension {	1318	sub cache_extensions {
894	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
895		1320
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
897	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1324	}
921	die $@;
922	}	1325	};
923		1326
924	push @EXTS, $pkg;	1327	$grp
925	}	1328	}
926		1329
927	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
928	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1335	next unless -r $path;
930	eval {	1336
931	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	$progress = 1;
932	1	1393	}
933	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
934	}	1399	};
935	}	1400	}
936		1401
937	#############################################################################	1402	#############################################################################
938		1403
		1404	=back
		1405
939	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
940		1407
941	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
942		1409
943	=cut	1410	=cut
944		1411
945	package cf::player;	1412	package cf::player;
946		1413
…		…
948		1415
949	=head3 cf::player	1416	=head3 cf::player
950		1417
951	=over 4	1418	=over 4
952		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
953	=item cf::player::find $login	1434	=item cf::player::find $login
954		1435
955	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
956		1437
957	=cut	1438	=cut
958		1439
959	sub playerdir($) {	1440	sub playerdir($) {
960	cf::localdir	1441	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1443	}
966		1444
967	sub path($) {	1445	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1456
979	sub exists($) {	1457	sub exists($) {
980	my ($login) = @_;	1458	my ($login) = @_;
981		1459
982	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
984	}	1462	}
985		1463
986	sub find($) {	1464	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1466	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
999		1477
1000	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1003	}	1487	}
1004	}	1488	}
1005	}	1489	}
1006		1490
…		…
1015	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1016		1500
1017	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1019		1503
		1504	cf::get_slot 0.01;
		1505
1020	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1021	Coro::cede;	1507	cf::cede_to_tick;
1022	}	1508	}
1023		1509
1024	sub new($) {	1510	sub new($) {
1025	my ($login) = @_;	1511	my ($login) = @_;
1026		1512
…		…
1032	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1033		1519
1034	$self	1520	$self
1035	}	1521	}
1036		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
1037	=item $pl->quit_character	1533	=item $pl->quit_character
1038		1534
1039	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1041		1537
…		…
1045	my ($pl) = @_;	1541	my ($pl) = @_;
1046		1542
1047	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1048		1544
1049	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1050	$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
1051		1547
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1056		1554
1057	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1089		1587
1090	=cut	1588	=cut
1091		1589
1092	sub list_logins {	1590	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1592	or return [];
1095		1593
1096	my @logins;	1594	my @logins;
1097		1595
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1102		1606
1103	utf8::decode $login;	1607	utf8::decode $login;
1104	push @logins, $login;	1608	push @logins, $login;
1105	}	1609	}
1106		1610
…		…
1133	}	1637	}
1134		1638
1135	\@paths	1639	\@paths
1136	}	1640	}
1137		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1138	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1139		1647
1140	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1141		1649
1142	=cut	1650	=cut
1143		1651
1144	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1146		1654
1147	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1656	}
1151		1657
1152	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1153		1659
1154	Sends an ext event to the client.	1660	Sends an ext event to the client.
1155		1661
1156	=cut	1662	=cut
1157		1663
1158	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1160		1666
1161	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1162	}	1668	}
1163		1669
1164	=head3 cf::region	1670	=head3 cf::region
1165		1671
1166	=over 4	1672	=over 4
…		…
1169		1675
1170	package cf::region;	1676	package cf::region;
1171		1677
1172	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1173		1679
1174	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1175		1681
1176	=cut	1682	=cut
1177		1683
1178	sub find_by_path($) {	1684	sub find_by_path($) {
1179	my ($path) = @_;	1685	my ($path) = @_;
1180		1686
1181	my ($match, $specificity);	1687	my ($match, $specificity);
1182		1688
1183	for my $region (list) {	1689	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1187	}	1693	}
1188	}	1694	}
1189		1695
…		…
1210	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1212		1718
1213	sub generate_random_map {	1719	sub generate_random_map {
1214	my ($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
1215	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1725	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1254		1763
1255	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1256	local $self->{path};	1765	local $self->{path};
1257	local $self->{load_path};	1766	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1767
1261	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1262	}	1769	}
1263		1770
1264	sub normalise {	1771	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1312	return $self;	1819	return $self;
1313	}	1820	}
1314	}	1821	}
1315		1822
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1824	()
1318	}	1825	}
1319		1826
1320	sub init {	1827	sub init {
1321	my ($self) = @_;	1828	my ($self) = @_;
…		…
1336		1843
1337	# the original (read-only) location	1844	# the original (read-only) location
1338	sub load_path {	1845	sub load_path {
1339	my ($self) = @_;	1846	my ($self) = @_;
1340		1847
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1342	}	1849	}
1343		1850
1344	# the temporary/swap location	1851	# the temporary/swap location
1345	sub save_path {	1852	sub save_path {
1346	my ($self) = @_;	1853	my ($self) = @_;
1347		1854
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1350	}	1857	}
1351		1858
1352	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1353	sub uniq_path {	1860	sub uniq_path {
1354	my ($self) = @_;	1861	my ($self) = @_;
1355		1862
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1358	}	1865	}
1359		1866
1360	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1361	# all maps in C++...	1868	# all maps in C++...
1362	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1364		1871
1365	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1367	}	1874	}
1368		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1369	sub unlink_save {	1884	sub unlink_save {
1370	my ($self) = @_;	1885	my ($self) = @_;
1371		1886
1372	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1891
1377	sub load_header_from($) {	1892	sub load_header_from($) {
1378	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1379		1894
1380	utf8::encode $path;	1895	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	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;
1386		1904
1387	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1388		1906
1389	1	1907	1
1390	}	1908	}
…		…
1429	$self->load_header_orig	1947	$self->load_header_orig
1430	or return;	1948	or return;
1431	$self->prepare_orig;	1949	$self->prepare_orig;
1432	}	1950	}
1433		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
1434	$self->default_region (cf::region::find_by_path $self->{path})	1955	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1956	unless $self->default_region;
1436		1957
1437	1	1958	1
1438	}	1959	}
…		…
1441	sub find {	1962	sub find {
1442	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1443		1964
1444	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1445		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1447		1969
1448	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1451	or return;	1972	or return;
1452		1973
1453	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1454		1975
1455	$map->load_header	1976	$map->load_header
1456	or return;	1977	or return;
1457		1978
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1461	$map->reset;	1984	$map->reset;
1462	undef $guard;
1463	return find $path;	1985	return find $path;
1464	}	1986	}
1465		1987
1466	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1467	}	1989	}
…		…
1474	my ($self) = @_;	1996	my ($self) = @_;
1475		1997
1476	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1477		1999
1478	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1480		2004
		2005	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2007
1483	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1484		2009
1485	$self->alloc;	2010	$self->alloc;
1486		2011
1487	$self->pre_load;	2012	$self->pre_load;
1488	Coro::cede;	2013	cf::cede_to_tick;
1489		2014
1490	$self->_load_objects ($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)
1491	or return;	2018	or return;
1492		2019
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1494	if delete $self->{load_original};	2021	if delete $self->{load_original};
1495		2022
1496	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2024	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2027	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1501	}	2031	}
1502	}	2032	}
1503		2033
1504	Coro::cede;	2034	$f->resolve_delayed_derefs;
		2035
		2036	cf::cede_to_tick;
1505	# now do the right thing for maps	2037	# now do the right thing for maps
1506	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2040	unless $self->difficulty;
1517	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($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;
1518	$self->activate;	2050	$self->activate;
1519	Coro::cede;	2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2057	}
1521		2058
1522	$self->post_load;	2059	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2060	}
1527		2061
1528	sub customise_for {	2062	sub customise_for {
1529	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1530		2064
1531	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2066	if $self->per_player;
1533		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1534	$self	2071	$self
1535	}	2072	}
1536		2073
1537	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2075	sub load_neighbours {
1539	my ($map) = @_;	2076	my ($map) = @_;
1540		2077
1541	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1542		2079
1543	for (0 .. 3) {	2080	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1545	or next;	2082	or next;
1546	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1547	or next;	2084	or next;
1548	$neigh->load;	2085	$neigh->load;
1549		2086
		2087	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2090	}
1553		2091
1554	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1556	or next;	2095	or next;
1557	$neigh->load;	2096	$neigh->load;
1558	}	2097	}
1559	}	2098	}
1560		2099
…		…
1565	}	2104	}
1566		2105
1567	sub do_load_sync {	2106	sub do_load_sync {
1568	my ($map) = @_;	2107	my ($map) = @_;
1569		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1570	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1571	}	2113	}
1572		2114
1573	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1575		2117
1576	sub find_async {	2118	sub find_async {
1577	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1578		2120
1579	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1580		2122
1581	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2125	}
1584		2126
1585	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1586	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1587	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2134	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2135	$map->load if $v;
		2136	}
1592		2137
1593	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1594	}	2139	}
1595	}	2140	}
1596	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1597	};	2142	};
1598	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2146	}
1602		2147
1603	sub save {	2148	sub save {
1604	my ($self) = @_;	2149	my ($self) = @_;
1605		2150
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2152
1608	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1609		2154
1610	return unless $self->dirty;	2155	return unless $self->dirty;
1611		2156
…		…
1617	return if $self->{deny_save};	2162	return if $self->{deny_save};
1618		2163
1619	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1620		2165
1621	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1623	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1624		2172
1625	if ($uniq) {	2173	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2176	} else {
…		…
1634	my ($self) = @_;	2182	my ($self) = @_;
1635		2183
1636	# save first because save cedes	2184	# save first because save cedes
1637	$self->save;	2185	$self->save;
1638		2186
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2188
1641	return if $self->players;	2189	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2191	return if $self->{deny_save};
1644		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2197	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2198	}
1648		2199
1649	sub reset_at {	2200	sub reset_at {
1650	my ($self) = @_;	2201	my ($self) = @_;
1651		2202
1652	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1655		2205
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2208
…		…
1669	my ($self) = @_;	2219	my ($self) = @_;
1670		2220
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2222
1673	return if $self->players;	2223	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2224
1676	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1677		2226
1678	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1679		2228
1680	# need to save uniques path	2229	# need to save uniques path
1681	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2234	if $uniq;
1686	}	2235	}
1687		2236
1688	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1689		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2241	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2242
1694	$self->unlink_save;	2243	$self->unlink_save;
1695	$self->destroy;	2244	$self->destroy;
1696	}	2245	}
1697		2246
1698	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1699		2248
1700	sub nuke {	2249	sub nuke {
1701	my ($self) = @_;	2250	my ($self) = @_;
1702		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1703	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1704		2256
1705	$self->unlink_save;	2257	$self->unlink_save;
1706		2258
1707	bless $self, "cf::map";	2259	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2264
1713	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1714		2267
1715	$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	]
1716	}	2305	}
1717		2306
1718	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1719		2308
1720	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2310	instantiated unique items. May block.
1722		2311
1723	=cut	2312	=cut
1724		2313
1725	sub unique_maps() {	2314	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1727	or return;	2316	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2317	utf8::decode $_;
1733	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2320	? ()
1736	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2323	]
1738
1739	\@paths
1740	}	2324	}
1741
1742	package cf;
1743		2325
1744	=back	2326	=back
1745		2327
1746	=head3 cf::object	2328	=head3 cf::object
1747		2329
…		…
1751		2333
1752	=over 4	2334	=over 4
1753		2335
1754	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1755		2337
1756	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.
1757		2340
1758	=cut	2341	=cut
1759		2342
1760	sub inv_recursive_;	2343	sub inv_recursive_;
1761	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1764		2347
1765	sub inv_recursive {	2348	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1767	}	2350	}
1768		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
1769	package cf;	2380	package cf;
1770		2381
1771	=back	2382	=back
1772		2383
1773	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1779	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>
1780	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
1781	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1782		2393
1783	=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	};
1784		2409
1785	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2411	# with dialog boxes.
1787	#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
1788	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1790		2415
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2417
1793	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1798	}	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 (@_);
1799	}	2443	}
1800		2444
1801	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1802		2446
1803	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1816		2460
1817	=item $player_object->enter_link	2461	=item $player_object->enter_link
1818		2462
1819	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}>).
1820		2464
1821	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.
1822	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.
1823		2469
1824	Will never block.	2470	Will never block.
1825		2471
1826	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1827		2473
…		…
1850	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1851		2497
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2499
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1856		2502
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2504	}
1859		2505
1860	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1862		2510
1863	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1864		2512
1865	unless ($map) {	2513	unless ($map) {
1866	# restore original map position	2514	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1883		2531
1884	$map->load;	2532	$map->load;
1885	$map->load_diag;	2533	$map->load_neighbours;
1886		2534
1887	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1888	$self->activate_recursive;	2537	$self->activate_recursive;
1889		2538
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1892	}	2541	}
1893		2542
1894	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2544
1898	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1902	};	2549	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2550
1908	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2553
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1929		2557
1930	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1931	my ($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;
1932		2563
1933	$self->enter_link;	2564	$self->enter_link;
1934		2565
1935	(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
1936	my $map = eval {	2588	my $map = eval {
1937	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1938	$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
1939	$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 $@;
1940	} or	2604	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1944	})->prio (1);	2612	})->prio (1);
1945	}	2613	}
1946		2614
1947	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1948		2616
…		…
1968	}	2636	}
1969		2637
1970	sub prepare_random_map {	2638	sub prepare_random_map {
1971	my ($exit) = @_;	2639	my ($exit) = @_;
1972		2640
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2643	# that depends on the exit object
1978		2644
1979	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2647	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1986	}	2654	}
1987		2655
1988	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1989		2657
1990	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1993		2661
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2664	undef $fh;
1997	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1998		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2001	}	2673	}
2002	}	2674	}
2003		2675
2004	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2006		2678
2007	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2008		2680
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2681	$self->enter_link;
2021		2682
2022	(async {	2683	(async {
2023	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
2024	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
2025	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2026		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
2027	1;	2707	1
2028	}) {	2708	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "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. "
2031	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2713
2034	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2053		2733
2054	utf8::encode $text;	2734	utf8::encode $text;
2055	$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);
2056	}	2736	}
2057		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
2058	=item $client->ext_event ($type, %msg)	2889	=item $client->ext_msg ($type, @msg)
2059		2890
2060	Sends an exti event to the client.	2891	Sends an ext event to the client.
2061		2892
2062	=cut	2893	=cut
2063		2894
2064	sub cf::client::ext_event($$%) {	2895	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2896	my ($self, $type, @msg) = @_;
2066		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2901	push @msg, msgtype => "event_$type";
2068	$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	}
2069	}	2922	}
2070		2923
2071	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2072		2925
2073	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
2074	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>,
2075	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>.
2076		2929
2077	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
2078	reliable at some point in the future.	2931	become reliable at some point in the future.
2079		2932
2080	=cut	2933	=cut
2081		2934
2082	sub cf::client::query {	2935	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2944	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2946
2094	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2096	}	2951	}
2097		2952
2098	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	},
2099	on_reply => sub {	2959	on_reply => sub {
2100	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2101		2961
2102	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2103	# get handled first	2963	# get handled first
…		…
2115	} else {	2975	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2977	}
2118	}	2978	}
2119	},	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	},
2120	);	3006	);
2121		3007
2122	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2123		3009
2124	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2167		3053
2168	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2169		3055
2170	$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	));
2171		3061
2172	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2173		3063
2174	=pod	3064	=pod
2175		3065
2176	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2177		3067
2178	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
2179	cf::object::player player	3072	cf::object::player
2180	cf::player peaceful	3073	player
2181	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2182		3080
2183	=cut	3081	=cut
2184		3082
2185	for (	3083	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2190	) {	3090	) {
2191	no strict 'refs';	3091	no strict 'refs';
…		…
2262	=back	3162	=back
2263		3163
2264	=cut	3164	=cut
2265		3165
2266	#############################################################################	3166	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3167	# the server's init and main functions
2437		3168
2438	sub load_facedata($) {	3169	sub load_facedata($) {
2439	my ($path) = @_;	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;
2440		3177
2441	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2442		3179
2443	my $facedata;	3180	my $facedata;
2444	0 < aio_load $path, $facedata	3181	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3184	$facedata = Coro::Storable::thaw $facedata;
2448		3185
2449	$facedata->{version} == 2	3186	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		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
2452	{	3196	{
2453	my $faces = $facedata->{faceinfo};	3197	my $faces = $facedata->{faceinfo};
2454		3198
2455	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3206
		3207	cf::cede_to_tick;
2461	}	3208	}
2462		3209
2463	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2465	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2466	or next;	3214	or next;
		3215
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3219	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3221	}
2472	Coro::cede;	3222
		3223	cf::cede_to_tick;
2473	}	3224	}
2474	}	3225	}
2475		3226
2476	{	3227	{
2477	my $anims = $facedata->{animinfo};	3228	my $anims = $facedata->{animinfo};
2478		3229
2479	while (my ($anim, $info) = each %$anims) {	3230	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3232	cf::cede_to_tick;
2482	}	3233	}
2483		3234
2484	cf::anim::invalidate_all; # d'oh	3235	cf::anim::invalidate_all; # d'oh
2485	}	3236	}
2486		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
2487	1	3273	1
2488	}	3274	}
2489		3275
		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});
		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 $_->{match};
		3325	}
		3326	}
		3327
2490	sub reload_facedata {	3328	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3329	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3330	or die "unable to load facedata\n";
2493	}	3331	}
2494		3332
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3333	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3334	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
2503	}	3336	}
2504		3337
2505	sub reload_treasures {	3338	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3339	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
2508	}	3341	}
2509		3342
2510	sub reload_resources {	3343	sub reload_resources {
2511	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2512		3345
2513	reload_regions;
2514	reload_facedata;	3346	reload_facedata;
2515	reload_archetypes;	3347	reload_archetypes;
		3348	reload_regions;
2516	reload_treasures;	3349	reload_treasures;
2517		3350
2518	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
2519	}	3352	}
2520		3353
2521	sub init {	3354	sub reload_config {
2522	reload_resources;
2523	}
2524
2525	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3356	or return;
2528		3357
2529	local $/;	3358	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2531		3360
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3362
2534	$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};
2535	$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};
…		…
2541	};	3370	};
2542	warn $@ if $@;	3371	warn $@ if $@;
2543	}	3372	}
2544	}	3373	}
2545		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
2546	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
2547	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2549	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#
2550	(async {	3413	(async {
2551	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2553	};	3417	};
2554		3418
2555	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2556	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
2557	load_extensions;	3437	load_extensions;
2558		3438
2559	$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
2560	Event::loop;	3447	EV::loop;
2561	}	3448	}
2562		3449
2563	#############################################################################	3450	#############################################################################
2564	# initialisation and cleanup	3451	# initialisation and cleanup
2565		3452
2566	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2567	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2576	},
2577	);	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
2578	}	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 };
2579	}	3547	}
2580		3548
2581	sub emergency_save() {	3549	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2583		3551
2584	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2585		3553
2586	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
2587	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3568	$pl->save;
2595	}	3569	}
2596	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2597		3571
2598	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3575	$map->valid or next;
2602	$map->save;	3576	$map->save;
2603	}	3577	}
2604	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2605		3579
2606	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2609	};	3587	};
2610		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2611	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2612	}	3595	}
2613		3596
2614	sub post_cleanup {	3597	sub post_cleanup {
2615	my ($make_core) = @_;	3598	my ($make_core) = @_;
2616		3599
2617	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3601	if $make_core;
		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#
2619	}	3631	}
2620		3632
2621	sub do_reload_perl() {	3633	sub do_reload_perl() {
2622	# can/must only be called in main	3634	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2624	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2625	return;	3637	return;
2626	}	3638	}
2627		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2628	warn "reloading...";	3645	warn "reloading...";
2629		3646
2630	warn "entering sync_job";	3647	warn "entering sync_job";
2631		3648
2632	cf::sync_job {	3649	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3651	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
2636		3653
2637	warn "syncing database to disk";	3654	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3656
2640	# 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
2641		3658
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2653	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();
2661
2662	warn "removing commands";
2663	%COMMAND = ();
2664
2665	warn "removing ext commands";
2666	%EXTCMD = ();
2667
2668	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";
2671
2672	if (my $cb = $pkg->can ("unload")) {
2673	eval {
2674	$cb->($pkg);
2675	1
2676	} or warn "$pkg unloaded, but with errors: $@";
2677	}	3662	}
2678		3663
2679	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2680	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2681	}	3666	%EXT_CORO = ();
2682		3667
2683	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2684	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2687	warn "... unloading $k";	3677	warn "... unloading $pkg";
2688	delete $INC{$k};
2689		3678
2690	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;
2692
2693	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2694	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2695	}	3688	}
2696		3689
2697	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;
2698	}	3705	}
2699		3706
2700	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2702	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);
2703		3710
2704	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
2707		3714
2708	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2709	# and global variables created in xs	3716	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2711		3718
2712	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2713		3720
2714	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2715	require cf;	3722	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2717		3724
2718	warn "loading config and database again";	3725	warn "loading config and database again";
2719	cf::cfg_load;	3726	cf::reload_config;
2720		3727
2721	warn "loading extensions";	3728	warn "loading extensions";
2722	cf::load_extensions;	3729	cf::load_extensions;
2723		3730
		3731	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2727	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
2730		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
2731	warn "leaving sync_job";	3743	warn "leaving sync_job";
2732		3744
2733	1	3745	1
2734	} or do {	3746	} or do {
2735	warn $@;	3747	warn $@;
2736	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
2737	exit 1;
2738	};	3749	};
2739		3750
2740	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
2741	};	3757	};
2742		3758
2743	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
2744		3760
2745	sub reload_perl() {	3761	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
2748		3764
2749	$RELOAD_WATCHER ||= Event->timer (	3765	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	3766	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	3767
2752	data => WF_AUTOCANCEL,	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	3769	do_reload_perl;
2755	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
2756	},	3771	};
2757	);	3772	};
2758	}	3773	}
2759		3774
2760	register_command "reload" => sub {	3775	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2762		3777
2763	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
		3780	async {
		3781	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	3782	reload_perl;
		3783	};
2766	}	3784	}
2767	};	3785	};
2768		3786
2769	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2770		3788
…		…
2772		3790
2773	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
2775		3793
2776	sub wait_for_tick {	3794	sub wait_for_tick {
2777	return unless $TICK_WATCHER->is_active;
2778	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2779		3796
2780	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
2781	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;	3799	$signal->wait;
2783	}	3800	}
2784		3801
2785	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
2786	return unless $TICK_WATCHER->is_active;
2787	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
2788		3804
2789	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3807	$signal->wait;
2792	}	3808	}
2793		3809
2794	$TICK_WATCHER = Event->timer (	3810	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
2802	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"
2803	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
2804	return;	3814	return;
2805	}	3815	}
2806		3816
2807	$NOW = Event::time;
2808
2809	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2810		3818
2811	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;
2813
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	3821	Coro::async_pool {
		3822	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	3823	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
2819	};
2820	}	3825	};
		3826	}
2821		3827
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	3829	$sig->send;
2833	}	3830	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	3832	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	3833	}
2840	);	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	}
2841		3846
2842	{	3847	{
2843	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	3849
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
2853		3851	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		3853
2869	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
2870	$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);
2871		3861
2872	cf::sync_job {	3862	cf::sync_job {
2873	eval {	3863	eval {
2874	BDB::db_env_open	3864	BDB::db_env_open
2875	$DB_ENV,	3865	$DB_ENV,
2876	$BDB_ENV_DIR,	3866	$BDBDIR,
2877	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
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	3869	0666;
2880		3870
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	3872	};
2886		3873
2887	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	3875	};
2889	}	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	};
2890	}	3887	}
2891		3888
2892	{	3889	{
		3890	# configure IO::AIO
		3891
2893	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	3895	}
2899	data => WF_AUTOCANCEL,	3896
2900	fd => IO::AIO::poll_fileno,	3897	my $_log_backtrace;
2901	poll => 'r',	3898
2902	prio => 6,	3899	sub _log_backtrace {
2903	cb => \&IO::AIO::poll_cb,	3900	my ($msg, @addr) = @_;
2904	);	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	}
2905	}	3937	}
2906		3938
2907	# load additional modules	3939	# load additional modules
2908	use cf::pod;	3940	use cf::pod;
2909		3941

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