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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	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
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		78
40	our %COMMAND = ();	79	our %COMMAND = ();
41	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
42		81
43	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
47		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	89	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		90
51	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	92	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	109	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	115	our $DB_ENV;
61		116
62	our %CFG;	117	our %CFG;
63		118
64	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
66		122
67	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		126
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
79	binmode STDOUT;	139	binmode STDOUT;
80	binmode STDERR;	140	binmode STDERR;
81		141
82	# read virtual server time, if available	142	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
87	}	147	}
88		148
89	mkdir cf::localdir;	149	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		151
96	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
97		153
98	sub cf::map::normalise;	154	sub cf::map::normalise;
99		155
…		…
110	=item $cf::RUNTIME	166	=item $cf::RUNTIME
111		167
112	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
113	every server tick.	169	every server tick.
114		170
115	=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
116		174
117	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		179
120	=item $cf::NOW	180	=item $cf::NOW
121		181
122	The time of the last (current) server tick.	182	The time of the last (current) server tick.
123		183
124	=item $cf::TICK	184	=item $cf::TICK
125		185
126	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	198	=item %cf::CFG
129		199
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	201	from wherever your confdir points to.
132		202
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		204
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	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.
139		214
140	=back	215	=back
141		216
142	=cut	217	=cut
143		218
144	BEGIN {	219	BEGIN {
145	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	221	my $msg = join "", @_;
147	utf8::encode $msg;
148		222
149	$msg .= "\n"	223	$msg .= "\n"
150	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
151		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
152	LOG llevError, $msg;	228	LOG llevError, $msg;
153	};	229	};
154	}	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#?
155		246
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		254
163	# 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
164	# within the Safe compartment.	256	# within the Safe compartment.
165	for my $pkg (qw(	257	for my $pkg (qw(
166	cf::global cf::attachable	258	cf::global cf::attachable
167	cf::object cf::object::player	259	cf::object cf::object::player
168	cf::client cf::player	260	cf::client cf::player
169	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
170	cf::map cf::party cf::region	263	cf::party cf::region
171	)) {	264	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	266	}
175		267
176	$Event::DIED = sub {	268	$EV::DIED = sub {
177	warn "error in event callback: @_";	269	warn "error in event callback: @_";
178	};	270	};
		271
		272	#############################################################################
179		273
180	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
181		275
182	=over 4	276	=over 4
183		277
…		…
202	$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;
203	$d	297	$d
204	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
205	}	299	}
206		300
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
210		302
211	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
212		304
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
221		306
222	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
223		308
224	=cut	309	=cut
225		310
226	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
228	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[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;
229	}	328	}
230		329
231	=item cf::lock_wait $string	330	=item cf::lock_wait $string
232		331
233	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
234		333
235	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
236		335
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
240	returned.	339	returned.
241		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
242	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
243	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
244		346
245	=cut	347	=item $locked = cf::lock_active $string
246		348
247	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
248		354
249	sub lock_wait($) {	355	sub lock_wait($) {
250	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	357	}
258		358
259	sub lock_acquire($) {	359	sub lock_acquire($) {
260	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
261		362
262	# wait, to be sure we are not locked	363	sub lock_active($) {
263	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	365	}
272		366
273	sub freeze_mainloop {	367	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
275		369
276	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
277	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
278	};	431	}
279	$TICK_WATCHER->stop;	432	};
280	$guard	433
		434	sub get_slot($;$$) {
		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	$sig->wait;
281	}	446	}
282		447
283	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
284		449
285	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		455
291	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
292		457
293	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
294		459
295	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
298		464
299	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
302	fast or be very important.	468	fast or be very important.
…		…
305		471
306	sub sync_job(&) {	472	sub sync_job(&) {
307	my ($job) = @_;	473	my ($job) = @_;
308		474
309	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
310	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
312		480
313	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	482
315	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
316		484
317	my $busy = 1;	485	my $busy = 1;
318	my @res;	486	my @res;
319		487
320	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	490	@res = eval { $job->() };
322	warn $@ if $@;	491	warn $@ if $@;
323	undef $busy;	492	undef $busy;
324	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
325		494
326	while ($busy) {	495	while ($busy) {
327	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
328	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
329		506
330	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
331	} else {	508	} else {
332	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
333		510
…		…
353	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
354		531
355	$coro	532	$coro
356	}	533	}
357		534
358	sub write_runtime {	535	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		536
361	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.
362		541
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
364	or return;
365		543
366	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		546
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
371	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
372		550
373	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	552	reset_signals;
375	and return;	553	&$cb
		554	}, @args;
376		555
377	close $fh	556	wantarray ? @res : $res[-1]
378	or return;	557	}
379		558
380	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
381	and return;
382		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
383	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	722	}
385		723
386	=back	724	=back
387		725
388	=cut	726	=cut
389		727
390	#############################################################################	728	#############################################################################
391		729
392	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
393		731
394	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
395	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")
396	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
397		735
398	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>
399	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
400	crossfire+).	738	Deliantra).
401		739
402	=over 4	740	=over 4
403		741
404	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
405		743
…		…
449	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
450		788
451	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
453		791
454	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		794
457	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
458		796
459	=over 4	797	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
569		907
570	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		912
575	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	914	my $pkg = shift @arg;
577		915
578	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
608	}	946	}
609		947
610	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
611	} else {	949	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	951	}
614		952
615	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
616	}	954	}
617		955
…		…
619	if (ref $_[0]) {	957	if (ref $_[0]) {
620	_object_attach @_;	958	_object_attach @_;
621	} else {	959	} else {
622	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
623	}	961	}
		962	_recalc_want;
624	};	963	};
625		964
626	# all those should be optimised	965	# all those should be optimised
627	sub cf::attachable::detach {	966	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
632	reattach ($obj);	971	reattach ($obj);
633	} else {	972	} else {
634	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
635	}	974	}
		975	_recalc_want;
636	};	976	};
637		977
638	sub cf::attachable::attached {	978	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
640		980
…		…
655	";	995	";
656	die if $@;	996	die if $@;
657	}	997	}
658		998
659	our $override;	999	our $override;
660	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?
661		1001
662	sub override {	1002	sub override {
663	$override = 1;	1003	$override = 1;
664	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
665	}	1005	}
666		1006
667	sub do_invoke {	1007	sub do_invoke {
668	my $event = shift;	1008	my $event = shift;
669	my $callbacks = shift;	1009	my $callbacks = shift;
670		1010
671	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
672		1012
673	local $override;	1013	local $override;
674		1014
675	for (@$callbacks) {	1015	for (@$callbacks) {
676	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
685	}	1025	}
686		1026
687	0	1027	0
688	}	1028	}
689		1029
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1031
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1033
694	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
695		1035
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1039
700	=back	1040	=back
701		1041
702	=cut	1042	=cut
703		1043
704	#############################################################################	1044	#############################################################################
705	# 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, $ob2
		1087	}
706		1088
707	sub reattach {	1089	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1091	my ($obj) = @_;
710		1092
		1093	# no longer needed after getting rid of delete_package?
711	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
712		1095
713	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
714		1097
715	@$registry = ();	1098	@$registry = ();
716		1099
…		…
731	cf::attachable->attach (	1114	cf::attachable->attach (
732	prio => -1000000,	1115	prio => -1000000,
733	on_instantiate => sub {	1116	on_instantiate => sub {
734	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
735		1118
736	$data = from_json $data;	1119	$data = decode_json $data;
737		1120
738	for (@$data) {	1121	for (@$data) {
739	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
740		1123
741	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1140	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
759		1142
760	sync_job {	1143	sync_job {
761	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
764		1148
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1153	aio_close $fh;
770		1154
771	if (@$objs) {	1155	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1161	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
779	}	1163	}
780	} else {	1164	} else {
781	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
782	}	1166	}
783		1167
784	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1172	} else {
786	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
787	}	1174	}
788	} else {	1175	} else {
789	aio_unlink $filename;	1176	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
791	}	1178	}
792	}	1179	};
793	}	1180	}
794		1181
795	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
797		1184
…		…
809	or return;	1196	or return;
810		1197
811	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
813	or return;	1200	or return;
		1201
814	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
815	}	1204	}
816		1205
		1206	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
819	return ($data, $av);	1210	($data, $av)
820	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
821		1218
822	#############################################################################	1219	#############################################################################
823	# command handling &c	1220	# command handling &c
824		1221
825	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1236	}
840		1237
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1239
843	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.
844		1245
845	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
846	called.	1247	called.
847		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
848	=cut	1260	=cut
849		1261
850	sub register_extcmd {	1262	sub register_extcmd {
851	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
852		1264
853	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
854	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
855		1275
856	cf::player->attach (	1276	cf::player->attach (
857	on_command => sub {	1277	on_command => sub {
858	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
859		1279
…		…
867	cf::override;	1287	cf::override;
868	},	1288	},
869	on_extcmd => sub {	1289	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
871		1291
872	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1293
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
880	} else {	1309	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1311	}
883		1312
884	cf::override;	1313	cf::override;
885	},	1314	},
886	);	1315	);
887		1316
		1317	# "readahead" all extensions
888	sub load_extension {	1318	sub cache_extensions {
889	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
890		1320
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
892	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1324	}
916	die $@;
917	}	1325	};
918		1326
919	push @EXTS, $pkg;	1327	$grp
920	}	1328	}
921		1329
922	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
923	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1335	next unless -r $path;
925	eval {	1336
926	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	$progress = 1;
927	1	1393	}
928	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
929	}	1399	};
930	}	1400	}
931		1401
932	#############################################################################	1402	#############################################################################
933		1403
		1404	=back
		1405
934	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
935		1407
936	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
937		1409
938	=cut	1410	=cut
939		1411
940	package cf::player;	1412	package cf::player;
941		1413
…		…
943		1415
944	=head3 cf::player	1416	=head3 cf::player
945		1417
946	=over 4	1418	=over 4
947		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
948	=item cf::player::find $login	1434	=item cf::player::find $login
949		1435
950	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
951		1437
952	=cut	1438	=cut
953		1439
954	sub playerdir($) {	1440	sub playerdir($) {
955	cf::localdir	1441	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1443	}
961		1444
962	sub path($) {	1445	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1447
965	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
966	}	1449	}
967		1450
968	sub find_active($) {	1451	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
973		1456
974	sub exists($) {	1457	sub exists($) {
975	my ($login) = @_;	1458	my ($login) = @_;
976		1459
977	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
979	}	1462	}
980		1463
981	sub find($) {	1464	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1466	my $login = $_[0];
984		1467
985	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
986		1469
987	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
989	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;
990	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
991	}	1487	}
992	}	1488	}
993	}	1489	}
994		1490
…		…
1003	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1004		1500
1005	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1007		1503
		1504	cf::get_slot 0.01;
		1505
1008	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1009	Coro::cede;	1507	cf::cede_to_tick;
1010	}	1508	}
1011		1509
1012	sub new($) {	1510	sub new($) {
1013	my ($login) = @_;	1511	my ($login) = @_;
1014		1512
…		…
1020	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1021		1519
1022	$self	1520	$self
1023	}	1521	}
1024		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
1025	=item $pl->quit_character	1533	=item $pl->quit_character
1026		1534
1027	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1029		1537
…		…
1033	my ($pl) = @_;	1541	my ($pl) = @_;
1034		1542
1035	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1036		1544
1037	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1038	$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
1039		1547
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1044		1554
1045	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1565
1056	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
1057	}	1567	}
1058		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
		1581	}
		1582
1059	=item cf::player::list_logins	1583	=item cf::player::list_logins
1060		1584
1061	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1063		1587
1064	=cut	1588	=cut
1065		1589
1066	sub list_logins {	1590	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1592	or return [];
1069		1593
1070	my @logins;	1594	my @logins;
1071		1595
1072	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") {
1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1074	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1075	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1076		1606
1077	utf8::decode $login;	1607	utf8::decode $login;
1078	push @logins, $login;	1608	push @logins, $login;
1079	}	1609	}
1080		1610
…		…
1107	}	1637	}
1108		1638
1109	\@paths	1639	\@paths
1110	}	1640	}
1111		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1113		1647
1114	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1115		1649
1116	=cut	1650	=cut
1117		1651
1118	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1120		1654
1121	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1122
1123	$self->send ("ext " . cf::to_json \%msg);
1124	}	1656	}
1125		1657
1126	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1127		1698
1128	=back	1699	=back
1129
1130		1700
1131	=head3 cf::map	1701	=head3 cf::map
1132		1702
1133	=over 4	1703	=over 4
1134		1704
…		…
1146	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1147	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1148		1718
1149	sub generate_random_map {	1719	sub generate_random_map {
1150	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
1151	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1152	$self->_create_random_map (	1725	$self->_create_random_map (
1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1189	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1190		1763
1191	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1192	local $self->{path};	1765	local $self->{path};
1193	local $self->{load_path};	1766	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1767
1197	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1198	}	1769	}
1199		1770
1200	sub normalise {	1771	sub normalise {
…		…
1247	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1248	return $self;	1819	return $self;
1249	}	1820	}
1250	}	1821	}
1251		1822
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1253	()	1824	()
1254	}	1825	}
1255		1826
1256	sub init {	1827	sub init {
1257	my ($self) = @_;	1828	my ($self) = @_;
…		…
1272		1843
1273	# the original (read-only) location	1844	# the original (read-only) location
1274	sub load_path {	1845	sub load_path {
1275	my ($self) = @_;	1846	my ($self) = @_;
1276		1847
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1278	}	1849	}
1279		1850
1280	# the temporary/swap location	1851	# the temporary/swap location
1281	sub save_path {	1852	sub save_path {
1282	my ($self) = @_;	1853	my ($self) = @_;
1283		1854
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1286	}	1857	}
1287		1858
1288	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1289	sub uniq_path {	1860	sub uniq_path {
1290	my ($self) = @_;	1861	my ($self) = @_;
1291		1862
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1294	}	1865	}
1295		1866
1296	# and all this just because we cannot iterate over	1867	sub decay_objects {
1297	# all maps in C++...
1298	sub change_all_map_light {
1299	my ($change) = @_;	1868	my ($self) = @_;
1300		1869
1301	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1302	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1303	}	1873	}
1304		1874
1305	sub unlink_save {	1875	sub unlink_save {
1306	my ($self) = @_;	1876	my ($self) = @_;
1307		1877
…		…
1312		1882
1313	sub load_header_from($) {	1883	sub load_header_from($) {
1314	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1315		1885
1316	utf8::encode $path;	1886	utf8::encode $path;
1317	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1318	# or return;
1319
1320	$self->_load_header ($path)
1321	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1322		1895
1323	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1324		1897
1325	1	1898	1
1326	}	1899	}
…		…
1365	$self->load_header_orig	1938	$self->load_header_orig
1366	or return;	1939	or return;
1367	$self->prepare_orig;	1940	$self->prepare_orig;
1368	}	1941	}
1369		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1370	1	1949	1
1371	}	1950	}
1372		1951
1373	sub find;	1952	sub find;
1374	sub find {	1953	sub find {
1375	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1376		1955
1377	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1378		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1379	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1380		1960
1381	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1382	my $guard = cf::lock_acquire "map_find:$path";
1383	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1384	or return;	1963	or return;
1385		1964
1386	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1387		1966
1388	$map->load_header	1967	$map->load_header
1389	or return;	1968	or return;
1390		1969
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1394	$map->reset;	1975	$map->reset;
1395	undef $guard;
1396	return find $path;	1976	return find $path;
1397	}	1977	}
1398		1978
1399	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1400	}	1980	}
…		…
1407	my ($self) = @_;	1987	my ($self) = @_;
1408		1988
1409	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1410		1990
1411	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1412	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1413		1995
		1996	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		1998
1416	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1417		2000
1418	$self->alloc;	2001	$self->alloc;
1419		2002
1420	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1421		2005
1422	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1423	or return;	2009	or return;
1424		2010
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1426	if delete $self->{load_original};	2012	if delete $self->{load_original};
1427		2013
1428	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;	2015	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1431	$self->clear_unique_items;	2018	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1433	}	2022	}
1434	}	2023	}
1435		2024
1436	Coro::cede;	2025	$f->resolve_delayed_derefs;
1437		2026
		2027	cf::cede_to_tick;
1438	# now do the right thing for maps	2028	# now do the right thing for maps
1439	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;
1446	$self->set_darkness_map;
1447	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	2031	unless $self->difficulty;
1449	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1450	$self->activate;	2039	$self->activate;
		2040	}
		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
		2045	$self->in_memory (cf::MAP_ACTIVE);
1451	}	2046	}
1452		2047
1453	$self->post_load;	2048	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	2049	}
1457		2050
1458	sub customise_for {	2051	sub customise_for {
1459	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1460		2053
1461	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	2055	if $self->per_player;
1463		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1464	$self	2060	$self
1465	}	2061	}
1466		2062
1467	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1468	sub load_diag {	2064	sub load_neighbours {
1469	my ($map) = @_;	2065	my ($map) = @_;
1470		2066
1471	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1472		2068
1473	for (0 .. 3) {	2069	for (0 .. 3) {
1474	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1475	or next;	2071	or next;
1476	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1477	or next;	2073	or next;
1478	$neigh->load;	2074	$neigh->load;
1479		2075
		2076	push @neigh,
1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1482	}	2079	}
1483		2080
1484	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1485	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1486	or next;	2084	or next;
1487	$neigh->load;	2085	$neigh->load;
1488	}	2086	}
1489	}	2087	}
1490		2088
…		…
1495	}	2093	}
1496		2094
1497	sub do_load_sync {	2095	sub do_load_sync {
1498	my ($map) = @_;	2096	my ($map) = @_;
1499		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1500	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1501	}	2102	}
1502		2103
1503	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1504	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1505		2106
1506	sub find_async {	2107	sub find_async {
1507	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1508		2109
1509	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1510		2111
1511	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1513	}	2114	}
1514		2115
1515	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1516	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1517	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1519	my $map = find $path	2123	if (my $map = find $k) {
1520	or next;
1521	$map->load;	2124	$map->load if $v;
		2125	}
1522		2126
1523	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1524	}	2128	}
1525	}	2129	}
1526	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1527	};	2131	};
1528	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1531	}	2135	}
1532		2136
1533	sub save {	2137	sub save {
1534	my ($self) = @_;	2138	my ($self) = @_;
1535		2139
1536	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1537		2141
1538	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1539		2143
1540	return unless $self->dirty;	2144	return unless $self->dirty;
1541		2145
…		…
1547	return if $self->{deny_save};	2151	return if $self->{deny_save};
1548		2152
1549	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1550		2154
1551	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1552	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1553	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1554		2161
1555	if ($uniq) {	2162	if ($uniq) {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1558	} else {	2165	} else {
…		…
1564	my ($self) = @_;	2171	my ($self) = @_;
1565		2172
1566	# save first because save cedes	2173	# save first because save cedes
1567	$self->save;	2174	$self->save;
1568		2175
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2177
1571	return if $self->players;	2178	return if $self->players;
1572	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1573	return if $self->{deny_save};	2180	return if $self->{deny_save};
1574		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1575	$self->clear;	2186	$self->clear;
1576	$self->in_memory (cf::MAP_SWAPPED);
1577	}	2187	}
1578		2188
1579	sub reset_at {	2189	sub reset_at {
1580	my ($self) = @_;	2190	my ($self) = @_;
1581		2191
1582	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1585		2194
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2197
…		…
1599	my ($self) = @_;	2208	my ($self) = @_;
1600		2209
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2211
1603	return if $self->players;	2212	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2213
1606	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1607		2215
1608	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1609		2217
1610	# need to save uniques path	2218	# need to save uniques path
1611	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1615	if $uniq;	2223	if $uniq;
1616	}	2224	}
1617		2225
1618	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1619		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1620	$self->clear;	2230	$self->clear;
1621
1622	$_->clear_links_to ($self) for values %cf::MAP;
1623		2231
1624	$self->unlink_save;	2232	$self->unlink_save;
1625	$self->destroy;	2233	$self->destroy;
1626	}	2234	}
1627		2235
1628	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1629		2237
1630	sub nuke {	2238	sub nuke {
1631	my ($self) = @_;	2239	my ($self) = @_;
1632		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1633	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1634		2245
1635	$self->unlink_save;	2246	$self->unlink_save;
1636		2247
1637	bless $self, "cf::map";	2248	bless $self, "cf::map";
1638	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1639	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1640	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642		2253
1643	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1644		2256
1645	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1646	}	2294	}
1647		2295
1648	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1649		2297
1650	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2299	instantiated unique items. May block.
1652		2300
1653	=cut	2301	=cut
1654		2302
1655	sub unique_maps() {	2303	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1657	or return;	2305	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2306	utf8::decode $_;
1663	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1664	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1665		2309	? ()
1666	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2312	]
1668
1669	\@paths
1670	}	2313	}
1671
1672	package cf;
1673		2314
1674	=back	2315	=back
1675		2316
1676	=head3 cf::object	2317	=head3 cf::object
1677		2318
…		…
1681		2322
1682	=over 4	2323	=over 4
1683		2324
1684	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1685		2326
1686	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1687		2329
1688	=cut	2330	=cut
1689		2331
1690	sub inv_recursive_;	2332	sub inv_recursive_;
1691	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1694		2336
1695	sub inv_recursive {	2337	sub inv_recursive {
1696	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1697	}	2339	}
1698		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1699	package cf;	2369	package cf;
1700		2370
1701	=back	2371	=back
1702		2372
1703	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1709	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1710	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1711	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1712		2382
1713	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1714		2398
1715	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1716	# with dialog boxes.	2400	# with dialog boxes.
1717	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1718	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1720		2404
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2406
1723	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1725	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1728	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1729	}	2432	}
1730		2433
1731	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1732		2435
1733	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1746		2449
1747	=item $player_object->enter_link	2450	=item $player_object->enter_link
1748		2451
1749	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1750		2453
1751	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1752	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1753		2458
1754	Will never block.	2459	Will never block.
1755		2460
1756	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1757		2462
…		…
1780	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1781		2486
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2488
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1786		2491
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1788	}	2493	}
1789		2494
1790	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1792		2499
1793	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1794		2501
1795	unless ($map) {	2502	unless ($map) {
1796	# restore original map position	2503	# restore original map position
…		…
1810	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1811	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1812	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1813		2520
1814	$map->load;	2521	$map->load;
1815	$map->load_diag;	2522	$map->load_neighbours;
1816		2523
1817	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1818	$self->activate_recursive;	2526	$self->activate_recursive;
1819		2527
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1822	}	2530	}
1823		2531
1824	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1825	on_logout => sub {
1826	my ($pl) = @_;
1827		2533
1828	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1829	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1830	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1831	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1832	};	2538	be called at the end of this process.
1833	}
1834	},
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2539
1838	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1839	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855		2542
1856	=item $player_object->goto ($path, $x, $y)
1857
1858	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1859		2546
1860	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2552
1863	$self->enter_link;	2553	$self->enter_link;
1864		2554
1865	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1866	my $map = eval {	2577	my $map = eval {
1867	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1869	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2593	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1874	})->prio (1);	2601	})->prio (1);
1875	}	2602	}
1876		2603
1877	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1878		2605
…		…
1898	}	2625	}
1899		2626
1900	sub prepare_random_map {	2627	sub prepare_random_map {
1901	my ($exit) = @_;	2628	my ($exit) = @_;
1902		2629
1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1904
1905	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1906	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1907	# that depends on the exit object	2632	# that depends on the exit object
1908		2633
1909	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1911	if ($exit->map) {	2636	if ($exit->map) {
1912	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1913	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1914	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1915	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1916	}	2643	}
1917		2644
1918	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1919		2646
1920	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1921	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1923		2650
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2653	undef $fh;
1927	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1928		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1929	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1930	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1931	}	2662	}
1932	}	2663	}
1933		2664
1934	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1935	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1936		2667
1937	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1938		2669
1939	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
1941	cf::sync_job { prepare_random_map $exit };
1942	}
1943
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;
1947
1948	$self->enter_link;	2670	$self->enter_link;
1949		2671
1950	(async {	2672	(async {
1951	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1952	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
1953	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1954		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
1955	1;	2696	1
1956	}) {	2697	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1958	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2702
1962	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1963	$self->leave_link;	2704	$self->leave_link;
1964	}	2705	}
1965	})->prio (1);	2706	})->prio (1);
…		…
1978		2719
1979	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1981		2722
1982	utf8::encode $text;	2723	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2725	}
1985		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
		2798	"c/uptime" => {
		2799	id => "infobox",
		2800	title => "Uptime",
		2801	reply => undef,
		2802	tooltip => "How long the server has been running since last restart",
		2803	},
		2804	"c/mapinfo" => {
		2805	id => "infobox",
		2806	title => "Map Info",
		2807	reply => undef,
		2808	tooltip => "Information related to the maps",
		2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
		2824	);
		2825
		2826	sub cf::client::send_msg {
		2827	my ($self, $channel, $msg, $color, @extra) = @_;
		2828
		2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
		2831
		2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2833
		2834	# check predefined channels, for the benefit of C
		2835	if ($CHANNEL{$channel}) {
		2836	$channel = $CHANNEL{$channel};
		2837
		2838	$self->ext_msg (channel_info => $channel);
		2839	$channel = $channel->{id};
		2840
		2841	} elsif (ref $channel) {
		2842	# send meta info to client, if not yet sent
		2843	unless (exists $self->{channel}{$channel->{id}}) {
		2844	$self->{channel}{$channel->{id}} = $channel;
		2845	$self->ext_msg (channel_info => $channel);
		2846	}
		2847
		2848	$channel = $channel->{id};
		2849	}
		2850
		2851	return unless @extra || length $msg;
		2852
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	}
		2874
		2875	=item $client->ext_msg ($type, @msg)
		2876
		2877	Sends an ext event to the client.
		2878
		2879	=cut
		2880
		2881	sub cf::client::ext_msg($$@) {
		2882	my ($self, $type, @msg) = @_;
		2883
		2884	if ($self->extcmd == 2) {
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2886	} elsif ($self->extcmd == 1) { # TODO: remove
		2887	push @msg, msgtype => "event_$type";
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
		2891
		2892	=item $client->ext_reply ($msgid, @msg)
		2893
		2894	Sends an ext reply to the client.
		2895
		2896	=cut
		2897
		2898	sub cf::client::ext_reply($$@) {
		2899	my ($self, $id, @msg) = @_;
		2900
		2901	if ($self->extcmd == 2) {
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2903	} elsif ($self->extcmd == 1) {
		2904	#TODO: version 1, remove
		2905	unshift @msg, msgtype => "reply", msgid => $id;
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2907	}
		2908	}
1986		2909
1987	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
1988		2911
1989	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		2915
1993	Queries can fail, so check the return code. Or don't, as queries will become	2916	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	2917	become reliable at some point in the future.
1995		2918
1996	=cut	2919	=cut
1997		2920
1998	sub cf::client::query {	2921	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	2922	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	2930	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		2932
2010	$self->send_packet ($self->{query_queue}[0][0])	2933	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	2934	if @{ $self->{query_queue} } == 1;
		2935
		2936	1
2012	}	2937	}
2013		2938
2014	cf::client->attach (	2939	cf::client->attach (
		2940	on_connect => sub {
		2941	my ($ns) = @_;
		2942
		2943	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2944	},
2015	on_reply => sub {	2945	on_reply => sub {
2016	my ($ns, $msg) = @_;	2946	my ($ns, $msg) = @_;
2017		2947
2018	# this weird shuffling is so that direct followup queries	2948	# this weird shuffling is so that direct followup queries
2019	# get handled first	2949	# get handled first
…		…
2031	} else {	2961	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	2963	}
2034	}	2964	}
2035	},	2965	},
		2966	on_exticmd => sub {
		2967	my ($ns, $buf) = @_;
		2968
		2969	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2970
		2971	if (ref $msg) {
		2972	my ($type, $reply, @payload) =
		2973	"ARRAY" eq ref $msg
		2974	? @$msg
		2975	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2976
		2977	my @reply;
		2978
		2979	if (my $cb = $EXTICMD{$type}) {
		2980	@reply = $cb->($ns, @payload);
		2981	}
		2982
		2983	$ns->ext_reply ($reply, @reply)
		2984	if $reply;
		2985
		2986	} else {
		2987	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2988	}
		2989
		2990	cf::override;
		2991	},
2036	);	2992	);
2037		2993
2038	=item $client->async (\&cb)	2994	=item $client->async (\&cb)
2039		2995
2040	Create a new coroutine, running the specified callback. The coroutine will	2996	Create a new coroutine, running the specified callback. The coroutine will
…		…
2081	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
2083		3039
2084	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
2085		3041
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3042	$safe->permit_only (Opcode::opset qw(
		3043	:base_core :base_mem :base_orig :base_math
		3044	grepstart grepwhile mapstart mapwhile
		3045	sort time
		3046	));
2087		3047
2088	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
2089		3049
2090	=pod	3050	=pod
2091		3051
2092	The following fucntions and emthods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
2093		3053
2094	cf::object contr pay_amount pay_player map	3054	cf::object
		3055	contr pay_amount pay_player map x y force_find force_add destroy
		3056	insert remove name archname title slaying race decrease split
		3057
2095	cf::object::player player	3058	cf::object::player
2096	cf::player peaceful	3059	player
2097	cf::map trigger	3060
		3061	cf::player
		3062	peaceful
		3063
		3064	cf::map
		3065	trigger
2098		3066
2099	=cut	3067	=cut
2100		3068
2101	for (	3069	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3071	insert remove inv nrof name archname title slaying race
		3072	decrease split destroy change_exp)],
2103	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2105	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2106	) {	3076	) {
2107	no strict 'refs';	3077	no strict 'refs';
…		…
2178	=back	3148	=back
2179		3149
2180	=cut	3150	=cut
2181		3151
2182	#############################################################################	3152	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253
2254	#############################################################################
2255	# the server's init and main functions	3153	# the server's init and main functions
2256		3154
2257	sub init_resources {	3155	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3156	my ($path) = @_;
		3157
		3158	# HACK to clear player env face cache, we need some signal framework
		3159	# for this (global event?)
		3160	%ext::player_env::MUSIC_FACE_CACHE = ();
		3161
		3162	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3163
		3164	warn "loading facedata from $path\n";
		3165
		3166	my $facedata;
		3167	0 < aio_load $path, $facedata
		3168	or die "$path: $!";
		3169
		3170	$facedata = Coro::Storable::thaw $facedata;
		3171
		3172	$facedata->{version} == 2
		3173	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3174
		3175	# patch in the exptable
		3176	$facedata->{resource}{"res/exp_table"} = {
		3177	type => FT_RSRC,
		3178	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3179	};
		3180	cf::cede_to_tick;
		3181
		3182	{
		3183	my $faces = $facedata->{faceinfo};
		3184
		3185	while (my ($face, $info) = each %$faces) {
		3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3187
		3188	cf::face::set_visibility $idx, $info->{visibility};
		3189	cf::face::set_magicmap $idx, $info->{magicmap};
		3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3191	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3192
		3193	cf::cede_to_tick;
		3194	}
		3195
		3196	while (my ($face, $info) = each %$faces) {
		3197	next unless $info->{smooth};
		3198
		3199	my $idx = cf::face::find $face
		3200	or next;
		3201
		3202	if (my $smooth = cf::face::find $info->{smooth}) {
		3203	cf::face::set_smooth $idx, $smooth;
		3204	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3205	} else {
		3206	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3207	}
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211	}
		3212
		3213	{
		3214	my $anims = $facedata->{animinfo};
		3215
		3216	while (my ($anim, $info) = each %$anims) {
		3217	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	cf::anim::invalidate_all; # d'oh
		3222	}
		3223
		3224	{
		3225	# TODO: for gcfclient pleasure, we should give resources
		3226	# that gcfclient doesn't grok a >10000 face index.
		3227	my $res = $facedata->{resource};
		3228
		3229	while (my ($name, $info) = each %$res) {
		3230	if (defined $info->{type}) {
		3231	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3232	my $data;
		3233
		3234	if ($info->{type} & 1) {
		3235	# prepend meta info
		3236
		3237	my $meta = $enc->encode ({
		3238	name => $name,
		3239	%{ $info->{meta} || {} },
		3240	});
		3241
		3242	$data = pack "(w/a*)*", $meta, $info->{data};
		3243	} else {
		3244	$data = $info->{data};
		3245	}
		3246
		3247	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3248	cf::face::set_type $idx, $info->{type};
		3249	} else {
		3250	$RESOURCE{$name} = $info;
		3251	}
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255	}
		3256
		3257	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3258
		3259	1
		3260	}
		3261
		3262	cf::global->attach (on_resource_update => sub {
		3263	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3264	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3265
		3266	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3267	my $sound = $soundconf->{compat}[$_]
		3268	or next;
		3269
		3270	my $face = cf::face::find "sound/$sound->[1]";
		3271	cf::sound::set $sound->[0] => $face;
		3272	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3273	}
		3274
		3275	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3276	my $face = cf::face::find "sound/$v";
		3277	cf::sound::set $k => $face;
		3278	}
		3279	}
		3280	});
		3281
		3282	register_exticmd fx_want => sub {
		3283	my ($ns, $want) = @_;
		3284
		3285	while (my ($k, $v) = each %$want) {
		3286	$ns->fx_want ($k, $v);
		3287	}
		3288	};
		3289
		3290	sub load_resource_file($) {
		3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
		3300	sub reload_regions {
		3301	# HACK to clear player env face cache, we need some signal framework
		3302	# for this (global event?)
		3303	%ext::player_env::MUSIC_FACE_CACHE = ();
		3304
		3305	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	3306	or die "unable to load regions file\n";
2260	}
2261		3307
2262	sub cfg_load {	3308	for (cf::region::list) {
		3309	$_->{match} = qr/$_->{match}/
		3310	if exists $_->{match};
		3311	}
		3312	}
		3313
		3314	sub reload_facedata {
		3315	load_facedata "$DATADIR/facedata"
		3316	or die "unable to load facedata\n";
		3317	}
		3318
		3319	sub reload_archetypes {
		3320	load_resource_file "$DATADIR/archetypes"
		3321	or die "unable to load archetypes\n";
		3322	}
		3323
		3324	sub reload_treasures {
		3325	load_resource_file "$DATADIR/treasures"
		3326	or die "unable to load treasurelists\n";
		3327	}
		3328
		3329	sub reload_resources {
		3330	warn "reloading resource files...\n";
		3331
		3332	reload_facedata;
		3333	reload_archetypes;
		3334	reload_regions;
		3335	reload_treasures;
		3336
		3337	warn "finished reloading resource files\n";
		3338	}
		3339
		3340	sub reload_config {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	3342	or return;
2265		3343
2266	local $/;	3344	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2268		3346
2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2270		3348
2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2278	};	3356	};
2279	warn $@ if $@;	3357	warn $@ if $@;
2280	}	3358	}
2281	}	3359	}
2282		3360
2283	sub init {	3361	sub pidfile() {
2284	init_resources;	3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
2285	}	3378	}
2286		3379
2287	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
2288	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2291	(async {	3398	(async {
2292	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2293	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2294	};	3402	};
2295		3403
2296	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
2297	db_init;	3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
2298	load_extensions;	3422	load_extensions;
2299		3423
2300	$TICK_WATCHER->start;	3424	utime time, time, $RUNTIMEFILE;
		3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
2301	Event::loop;	3432	EV::loop;
2302	}	3433	}
2303		3434
2304	#############################################################################	3435	#############################################################################
2305	# initialisation and cleanup	3436	# initialisation and cleanup
2306		3437
2307	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2308	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2309	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2310	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2311	reentrant => 0,
2312	data => WF_AUTOCANCEL,
2313	signal => $signal,
2314	prio => 0,
2315	cb => sub {
2316	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2317	},
2318	);	3444	};
		3445	}
		3446	}
		3447
		3448	sub write_runtime_sync {
		3449	# first touch the runtime file to show we are still running:
		3450	# the fsync below can take a very very long time.
		3451
		3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3453
		3454	my $guard = cf::lock_acquire "write_runtime";
		3455
		3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3457	or return;
		3458
		3459	my $value = $cf::RUNTIME + 90 + 10;
		3460	# 10 is the runtime save interval, for a monotonic clock
		3461	# 60 allows for the watchdog to kill the server.
		3462
		3463	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3464	and return;
		3465
		3466	# always fsync - this file is important
		3467	aio_fsync $fh
		3468	and return;
		3469
		3470	# touch it again to show we are up-to-date
		3471	aio_utime $fh, undef, undef;
		3472
		3473	close $fh
		3474	or return;
		3475
		3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3477	and return;
		3478
		3479	warn "runtime file written.\n";
		3480
2319	}	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
2320	}	3532	}
2321		3533
2322	sub emergency_save() {	3534	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
2324		3536
2325	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
2326		3538
2327	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
2328	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
2329	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
2330	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2331	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
2332	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2333	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2334	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2335	$pl->save;	3553	$pl->save;
2336	}	3554	}
2337	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
2338		3556
2339	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
2340	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
2341	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2342	$map->valid or next;	3560	$map->valid or next;
2343	$map->save;	3561	$map->save;
2344	}	3562	}
2345	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
2346		3564
2347	warn "begin emergency database checkpoint\n";	3565	warn "emergency_perl_save: begin database checkpoint\n";
2348	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2349	warn "end emergency database checkpoint\n";	3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
2350	};	3572	};
2351		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
2352	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
2353	}	3580	}
2354		3581
2355	sub post_cleanup {	3582	sub post_cleanup {
2356	my ($make_core) = @_;	3583	my ($make_core) = @_;
2357		3584
2358	warn Carp::longmess "post_cleanup backtrace"	3585	warn Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3586	if $make_core;
2360	}
2361		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
		3616	}
		3617
2362	sub reload() {	3618	sub do_reload_perl() {
2363	# can/must only be called in main	3619	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
2366	return;	3622	return;
2367	}	3623	}
2368		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
2369	warn "reloading...";	3630	warn "reloading...";
2370		3631
2371	warn "entering sync_job";	3632	warn "entering sync_job";
2372		3633
2373	cf::sync_job {	3634	cf::sync_job {
2374	cf::write_runtime; # external watchdog should not bark	3635	cf::write_runtime_sync; # external watchdog should not bark
2375	cf::emergency_save;	3636	cf::emergency_save;
2376	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2377		3638
2378	warn "syncing database to disk";	3639	warn "syncing database to disk";
2379	BDB::db_env_txn_checkpoint $DB_ENV;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
2380		3641
2381	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
2382		3643
2383	warn "cancelling all WF_AUTOCANCEL watchers";
2384	for (Event::all_watchers) {
2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2386	}
2387
2388	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
2389	for (;;) {
2390	BDB::flush;
2391	IO::AIO::flush;
2392	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;	3645	while (IO::AIO::nreqs || BDB::nreqs) {
2394	warn "iterate...";	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2395	}
2396
2397	warn "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();
2400
2401	warn "removing commands";
2402	%COMMAND = ();
2403
2404	warn "removing ext commands";
2405	%EXTCMD = ();
2406
2407	warn "unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";
2410
2411	if (my $cb = $pkg->can ("unload")) {
2412	eval {
2413	$cb->($pkg);
2414	1
2415	} or warn "$pkg unloaded, but with errors: $@";
2416	}	3647	}
2417		3648
2418	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
2419	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
2420	}	3651	%EXT_CORO = ();
2421		3652
2422	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
2423	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2425		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
2426	warn "... unloading $k";	3662	warn "... unloading $pkg";
2427	delete $INC{$k};
2428		3663
2429	$k =~ s/\.pm$//;
2430	$k =~ s/\//::/g;
2431
2432	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
2433	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
2434	}	3673	}
2435		3674
2436	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
2437	}	3690	}
2438		3691
2439	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
2440	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		3695
2443	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
		3698	delete $INC{"cf/pod.pm"};
2445		3699
2446	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
2447	# and global variables created in xs	3701	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
2449		3703
2450	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
2451		3705
2452	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
2453	require cf;	3707	require cf;
2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2455		3709
2456	warn "loading config and database again";	3710	warn "loading config and database again";
2457	cf::cfg_load;	3711	cf::reload_config;
2458		3712
2459	warn "loading extensions";	3713	warn "loading extensions";
2460	cf::load_extensions;	3714	cf::load_extensions;
2461		3715
		3716	if ($REATTACH_ON_RELOAD) {
2462	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
2463	_global_reattach;	3718	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
		3721	warn "reattaching attachments to players";
		3722	reattach $_ for values %PLAYER;
		3723	}
2466		3724
2467	warn "loading reloadable resources";	3725	warn "running post_init jobs";
2468	init_resources;	3726	(pop @POST_INIT)->(1) while @POST_INIT;
2469		3727
2470	warn "leaving sync_job";	3728	warn "leaving sync_job";
2471		3729
2472	1	3730	1
2473	} or do {	3731	} or do {
2474	warn $@;	3732	warn $@;
2475	warn "error while reloading, exiting.";	3733	cf::cleanup "error while reloading, exiting.";
2476	exit 1;	3734	};
		3735
		3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
		3742	};
		3743
		3744	our $RELOAD_WATCHER; # used only during reload
		3745
		3746	sub reload_perl() {
		3747	# doing reload synchronously and two reloads happen back-to-back,
		3748	# coro crashes during coro_state_free->destroy here.
		3749
		3750	$RELOAD_WATCHER ||= cf::async {
		3751	Coro::AIO::aio_wait cache_extensions;
		3752
		3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3754	do_reload_perl;
		3755	undef $RELOAD_WATCHER;
		3756	};
2477	};	3757	};
2478		3758	}
2479	warn "reloaded";
2480	};
2481
2482	our $RELOAD_WATCHER; # used only during reload
2483		3759
2484	register_command "reload" => sub {	3760	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
2486		3762
2487	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	3764	$who->message ("reloading server.");
2489		3765	async {
2490	# doing reload synchronously and two reloads happen back-to-back,	3766	$Coro::current->{desc} = "perl_reload";
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;	3767	reload_perl;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);	3768	};
2502	}	3769	}
2503	};	3770	};
2504		3771
2505	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
2506		3773
2507	my $bug_warning = 0;	3774	my $bug_warning = 0;
2508		3775
2509	$TICK_WATCHER = Event->timer (	3776	our @WAIT_FOR_TICK;
2510	reentrant => 0,	3777	our @WAIT_FOR_TICK_BEGIN;
2511	parked => 1,	3778
2512	prio => 0,	3779	sub wait_for_tick {
2513	at => $NEXT_TICK || $TICK,	3780	return if tick_inhibit || $Coro::current == $Coro::main;
2514	data => WF_AUTOCANCEL,	3781
2515	cb => sub {	3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub wait_for_tick_begin {
		3788	return if tick_inhibit || $Coro::current == $Coro::main;
		3789
		3790	my $signal = new Coro::Signal;
		3791	push @WAIT_FOR_TICK_BEGIN, $signal;
		3792	$signal->wait;
		3793	}
		3794
		3795	sub tick {
2516	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
2519	return;	3799	return;
2520	}	3800	}
2521		3801
2522	$NOW = Event::time;
2523
2524	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
2525	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;
2527		3803
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2530	Coro::async_pool {	3806	Coro::async_pool {
		3807	$Coro::current->{desc} = "runtime saver";
2531	write_runtime	3808	write_runtime_sync
2532	or warn "ERROR: unable to write runtime file: $!";	3809	or warn "ERROR: unable to write runtime file: $!";
2533	};
2534	}	3810	};
2535
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#
2541
2542	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2544
2545	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;
2547	},	3811	}
2548	);	3812
		3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3814	$sig->send;
		3815	}
		3816	while (my $sig = shift @WAIT_FOR_TICK) {
		3817	$sig->send;
		3818	}
		3819
		3820	$LOAD = ($NOW - $TICK_START) / $TICK;
		3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3822
		3823	if (0) {
		3824	if ($NEXT_TICK) {
		3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
		3828	}
		3829	}
		3830	}
2549		3831
2550	{	3832	{
2551	BDB::max_poll_time $TICK * 0.1;	3833	# configure BDB
2552	$BDB_POLL_WATCHER = Event->io (	3834
2553	reentrant => 0,
2554	fd => BDB::poll_fileno,
2555	poll => 'r',
2556	prio => 0,
2557	data => WF_AUTOCANCEL,
2558	cb => \&BDB::poll_cb,
2559	);
2560	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
2561		3836	BDB::max_poll_reqs $TICK * 0.1;
2562	BDB::set_sync_prepare {	3837	$AnyEvent::BDB::WATCHER->priority (1);
2563	my $status;
2564	my $current = $Coro::current;
2565	(
2566	sub {
2567	$status = $!;
2568	$current->ready; undef $current;
2569	},
2570	sub {
2571	Coro::schedule while defined $current;
2572	$! = $status;
2573	},
2574	)
2575	};
2576		3838
2577	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
2578	$DB_ENV = BDB::db_env_create;	3840	$DB_ENV = BDB::db_env_create;
		3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2579		3846
2580	cf::sync_job {	3847	cf::sync_job {
2581	eval {	3848	eval {
2582	BDB::db_env_open	3849	BDB::db_env_open
2583	$DB_ENV,	3850	$DB_ENV,
2584	$BDB_ENV_DIR,	3851	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	3854	0666;
2588		3855
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;
2593	};	3857	};
2594		3858
2595	cf::cleanup "db_env_open(db): $@" if $@;	3859	cf::cleanup "db_env_open(db): $@" if $@;
2596	};	3860	};
2597	}	3861	}
		3862
		3863	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3864	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3865	};
		3866	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3867	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3868	};
		3869	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3870	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3871	};
2598	}	3872	}
2599		3873
2600	{	3874	{
		3875	# configure IO::AIO
		3876
2601	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
2602
2603	undef $Coro::AIO::WATCHER;
2604	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
2605	$AIO_POLL_WATCHER = Event->io (	3879	undef $AnyEvent::AIO::WATCHER;
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	fd => IO::AIO::poll_fileno,
2609	poll => 'r',
2610	prio => 6,
2611	cb => \&IO::AIO::poll_cb,
2612	);
2613	}	3880	}
		3881
		3882	my $_log_backtrace;
		3883
		3884	sub _log_backtrace {
		3885	my ($msg, @addr) = @_;
		3886
		3887	$msg =~ s/\n//;
		3888
		3889	# limit the # of concurrent backtraces
		3890	if ($_log_backtrace < 2) {
		3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
		3893	async {
		3894	$Coro::current->{desc} = "abt $msg";
		3895
		3896	my @bt = fork_call {
		3897	@addr = map { sprintf "%x", $_ } @addr;
		3898	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3899	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3900	or die "addr2line: $!";
		3901
		3902	my @funcs;
		3903	my @res = <$fh>;
		3904	chomp for @res;
		3905	while (@res) {
		3906	my ($func, $line) = splice @res, 0, 2, ();
		3907	push @funcs, "[$func] $line";
		3908	}
		3909
		3910	@funcs
		3911	};
		3912
		3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3915	LOG llevInfo, "[ABT] $_\n" for @bt;
		3916	--$_log_backtrace;
		3917	};
		3918	} else {
		3919	LOG llevInfo, "[ABT] $msg\n";
		3920	LOG llevInfo, "[ABT] [suppressed]\n";
		3921	}
		3922	}
		3923
		3924	# load additional modules
		3925	use cf::pod;
2614		3926
2615	END { cf::emergency_save }	3927	END { cf::emergency_save }
2616		3928
2617	1	3929	1
2618		3930

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