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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.461 by root, Fri Dec 19 22:47:29 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		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 $runtime = cf::localdir . "/runtime";
360		536
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
362	or return;	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.
363		541
364	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		543
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
369	and return;	545	my ($cb, @args) = @_;
370		546
371	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
373	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
374		550
375	close $fh	551	my @res = Coro::Util::fork_eval {
376	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
377		555
378	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
379	and return;	557	}
380		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
381	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
382	}	722	}
383		723
384	=back	724	=back
385		725
386	=cut	726	=cut
387		727
388	#############################################################################	728	#############################################################################
389		729
390	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
391		731
392	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
393	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")
394	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
395		735
396	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>
397	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
398	crossfire+).	738	Deliantra).
399		739
400	=over 4	740	=over 4
401		741
402	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
403		743
…		…
447	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
448		788
449	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
451		791
452	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		794
455	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
456		796
457	=over 4	797	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
567		907
568	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		912
573	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	914	my $pkg = shift @arg;
575		915
576	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
606	}	946	}
607		947
608	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
609	} else {	949	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	951	}
612		952
613	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
614	}	954	}
615		955
…		…
617	if (ref $_[0]) {	957	if (ref $_[0]) {
618	_object_attach @_;	958	_object_attach @_;
619	} else {	959	} else {
620	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
621	}	961	}
		962	_recalc_want;
622	};	963	};
623		964
624	# all those should be optimised	965	# all those should be optimised
625	sub cf::attachable::detach {	966	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
630	reattach ($obj);	971	reattach ($obj);
631	} else {	972	} else {
632	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
633	}	974	}
		975	_recalc_want;
634	};	976	};
635		977
636	sub cf::attachable::attached {	978	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
638		980
…		…
653	";	995	";
654	die if $@;	996	die if $@;
655	}	997	}
656		998
657	our $override;	999	our $override;
658	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?
659		1001
660	sub override {	1002	sub override {
661	$override = 1;	1003	$override = 1;
662	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
663	}	1005	}
664		1006
665	sub do_invoke {	1007	sub do_invoke {
666	my $event = shift;	1008	my $event = shift;
667	my $callbacks = shift;	1009	my $callbacks = shift;
668		1010
669	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
670		1012
671	local $override;	1013	local $override;
672		1014
673	for (@$callbacks) {	1015	for (@$callbacks) {
674	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
683	}	1025	}
684		1026
685	0	1027	0
686	}	1028	}
687		1029
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1031
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1033
692	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
693		1035
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1039
698	=back	1040	=back
699		1041
700	=cut	1042	=cut
701		1043
702	#############################################################################	1044	#############################################################################
703	# 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, $ob2
		1087	}
704		1088
705	sub reattach {	1089	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1091	my ($obj) = @_;
708		1092
		1093	# no longer needed after getting rid of delete_package?
709	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
710		1095
711	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
712		1097
713	@$registry = ();	1098	@$registry = ();
714		1099
…		…
729	cf::attachable->attach (	1114	cf::attachable->attach (
730	prio => -1000000,	1115	prio => -1000000,
731	on_instantiate => sub {	1116	on_instantiate => sub {
732	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
733		1118
734	$data = from_json $data;	1119	$data = decode_json $data;
735		1120
736	for (@$data) {	1121	for (@$data) {
737	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
738		1123
739	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1140	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
757		1142
758	sync_job {	1143	sync_job {
759	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
762		1148
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1153	aio_close $fh;
768		1154
769	if (@$objs) {	1155	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1161	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
777	}	1163	}
778	} else {	1164	} else {
779	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
780	}	1166	}
781		1167
782	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1172	} else {
784	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
785	}	1174	}
786	} else {	1175	} else {
787	aio_unlink $filename;	1176	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
789	}	1178	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1179	};
797	}	1180	}
798		1181
799	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
801		1184
…		…
806		1189
807	sub object_thawer_load {	1190	sub object_thawer_load {
808	my ($filename) = @_;	1191	my ($filename) = @_;
809		1192
810	my ($data, $av);	1193	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1194
815	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
816	or return;	1196	or return;
817		1197
818	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
820	or return;	1200	or return;
		1201
821	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
822	}	1204	}
823		1205
		1206	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
826	return ($data, $av);	1210	($data, $av)
827	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
828		1218
829	#############################################################################	1219	#############################################################################
830	# command handling &c	1220	# command handling &c
831		1221
832	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1236	}
847		1237
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1239
850	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.
851		1245
852	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
853	called.	1247	called.
854		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
855	=cut	1260	=cut
856		1261
857	sub register_extcmd {	1262	sub register_extcmd {
858	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
859		1264
860	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
861	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
862		1275
863	cf::player->attach (	1276	cf::player->attach (
864	on_command => sub {	1277	on_command => sub {
865	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
866		1279
…		…
874	cf::override;	1287	cf::override;
875	},	1288	},
876	on_extcmd => sub {	1289	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
878		1291
879	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1293
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
887	} else {	1309	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1311	}
890		1312
891	cf::override;	1313	cf::override;
892	},	1314	},
893	);	1315	);
894		1316
		1317	# "readahead" all extensions
895	sub load_extension {	1318	sub cache_extensions {
896	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
897		1320
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
899	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1324	}
923	die $@;
924	}	1325	};
925		1326
926	push @EXTS, $pkg;	1327	$grp
927	}	1328	}
928		1329
929	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
930	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1335	next unless -r $path;
932	eval {	1336
933	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	$progress = 1;
934	1	1393	}
935	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
936	}	1399	};
937	}	1400	}
938		1401
939	#############################################################################	1402	#############################################################################
940		1403
		1404	=back
		1405
941	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
942		1407
943	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
944		1409
945	=cut	1410	=cut
946		1411
947	package cf::player;	1412	package cf::player;
948		1413
…		…
950		1415
951	=head3 cf::player	1416	=head3 cf::player
952		1417
953	=over 4	1418	=over 4
954		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
955	=item cf::player::find $login	1434	=item cf::player::find $login
956		1435
957	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
958		1437
959	=cut	1438	=cut
960		1439
961	sub playerdir($) {	1440	sub playerdir($) {
962	cf::localdir	1441	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1443	}
968		1444
969	sub path($) {	1445	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1447
972	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
973	}	1449	}
974		1450
975	sub find_active($) {	1451	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
980		1456
981	sub exists($) {	1457	sub exists($) {
982	my ($login) = @_;	1458	my ($login) = @_;
983		1459
984	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
986	}	1462	}
987		1463
988	sub find($) {	1464	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1466	my $login = $_[0];
991		1467
992	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
993		1469
994	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
995	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
996	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;
997	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
998	}	1487	}
999	}	1488	}
1000	}	1489	}
1001		1490
…		…
1010	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1011		1500
1012	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1014		1503
		1504	cf::get_slot 0.01;
		1505
1015	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1016	Coro::cede;	1507	cf::cede_to_tick;
1017	}	1508	}
1018		1509
1019	sub new($) {	1510	sub new($) {
1020	my ($login) = @_;	1511	my ($login) = @_;
1021		1512
…		…
1027	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1028		1519
1029	$self	1520	$self
1030	}	1521	}
1031		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
1032	=item $pl->quit_character	1533	=item $pl->quit_character
1033		1534
1034	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1036		1537
1037	=cut	1538	=cut
1038		1539
1039	sub quit_character {	1540	sub quit_character {
1040	my ($pl) = @_;	1541	my ($pl) = @_;
1041		1542
		1543	my $name = $pl->ob->name;
		1544
1042	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1043	$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
1044		1547
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1049		1554
1050	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1055	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		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;
1056	}	1581	}
1057		1582
1058	=item cf::player::list_logins	1583	=item cf::player::list_logins
1059		1584
1060	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
1061	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1062		1587
1063	=cut	1588	=cut
1064		1589
1065	sub list_logins {	1590	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1592	or return [];
1068		1593
1069	my @logins;	1594	my @logins;
1070		1595
1071	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") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1075		1606
1076	utf8::decode $login;	1607	utf8::decode $login;
1077	push @logins, $login;	1608	push @logins, $login;
1078	}	1609	}
1079		1610
…		…
1106	}	1637	}
1107		1638
1108	\@paths	1639	\@paths
1109	}	1640	}
1110		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1112		1647
1113	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1114		1649
1115	=cut	1650	=cut
1116		1651
1117	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1119		1654
1120	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1656	}
1124		1657
1125	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	}
1126		1698
1127	=back	1699	=back
1128
1129		1700
1130	=head3 cf::map	1701	=head3 cf::map
1131		1702
1132	=over 4	1703	=over 4
1133		1704
…		…
1145	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1147		1718
1148	sub generate_random_map {	1719	sub generate_random_map {
1149	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
1150	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1725	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1188	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1189		1763
1190	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1191	local $self->{path};	1765	local $self->{path};
1192	local $self->{load_path};	1766	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1767
1196	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1197	}	1769	}
1198		1770
1199	sub normalise {	1771	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1247	return $self;	1819	return $self;
1248	}	1820	}
1249	}	1821	}
1250		1822
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1824	()
1253	}	1825	}
1254		1826
1255	sub init {	1827	sub init {
1256	my ($self) = @_;	1828	my ($self) = @_;
…		…
1271		1843
1272	# the original (read-only) location	1844	# the original (read-only) location
1273	sub load_path {	1845	sub load_path {
1274	my ($self) = @_;	1846	my ($self) = @_;
1275		1847
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1277	}	1849	}
1278		1850
1279	# the temporary/swap location	1851	# the temporary/swap location
1280	sub save_path {	1852	sub save_path {
1281	my ($self) = @_;	1853	my ($self) = @_;
1282		1854
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1285	}	1857	}
1286		1858
1287	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1288	sub uniq_path {	1860	sub uniq_path {
1289	my ($self) = @_;	1861	my ($self) = @_;
1290		1862
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1293	}	1865	}
1294		1866
1295	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1296	# all maps in C++...	1868	# all maps in C++...
1297	sub change_all_map_light {	1869	sub change_all_map_light {
…		…
1299		1871
1300	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1302	}	1874	}
1303		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1304	sub unlink_save {	1884	sub unlink_save {
1305	my ($self) = @_;	1885	my ($self) = @_;
1306		1886
1307	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1890	}
1316		1891
1317	sub load_header_from($) {	1892	sub load_header_from($) {
1318	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1319		1894
1320	utf8::encode $path;	1895	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1326		1904
1327	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1328		1906
1329	1	1907	1
1330	}	1908	}
…		…
1369	$self->load_header_orig	1947	$self->load_header_orig
1370	or return;	1948	or return;
1371	$self->prepare_orig;	1949	$self->prepare_orig;
1372	}	1950	}
1373		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
		1955	$self->default_region (cf::region::find_by_path $self->{path})
		1956	unless $self->default_region;
		1957
1374	1	1958	1
1375	}	1959	}
1376		1960
1377	sub find;	1961	sub find;
1378	sub find {	1962	sub find {
1379	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1380		1964
1381	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1382		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1384		1969
1385	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1388	or return;	1972	or return;
1389		1973
1390	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1391		1975
1392	$map->load_header	1976	$map->load_header
1393	or return;	1977	or return;
1394		1978
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1398	$map->reset;	1984	$map->reset;
1399	undef $guard;
1400	return find $path;	1985	return find $path;
1401	}	1986	}
1402		1987
1403	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1404	}	1989	}
…		…
1411	my ($self) = @_;	1996	my ($self) = @_;
1412		1997
1413	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1414		1999
1415	my $path = $self->{path};	2000	my $path = $self->{path};
		2001
		2002	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1417		2004
		2005	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2007
1420	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1421		2009
1422	$self->alloc;	2010	$self->alloc;
1423		2011
1424	$self->pre_load;	2012	$self->pre_load;
		2013	cf::cede_to_tick;
1425		2014
1426	$self->_load_objects ($self->{load_path}, 1)	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
		2017	$self->_load_objects ($f)
1427	or return;	2018	or return;
1428		2019
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1430	if delete $self->{load_original};	2021	if delete $self->{load_original};
1431		2022
1432	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2024	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2027	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1437	}	2031	}
1438	}	2032	}
1439		2033
1440	Coro::cede;	2034	$f->resolve_delayed_derefs;
1441		2035
		2036	cf::cede_to_tick;
1442	# now do the right thing for maps	2037	# now do the right thing for maps
1443	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2040	unless $self->difficulty;
1453	Coro::cede;	2041	cf::cede_to_tick;
		2042
		2043	unless ($self->{deny_activate}) {
		2044	$self->decay_objects;
		2045	$self->fix_auto_apply;
		2046	$self->update_buttons;
		2047	cf::cede_to_tick;
		2048	$self->set_darkness_map;
		2049	cf::cede_to_tick;
1454	$self->activate;	2050	$self->activate;
		2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1455	}	2057	}
1456		2058
1457	$self->post_load;	2059	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2060	}
1461		2061
1462	sub customise_for {	2062	sub customise_for {
1463	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1464		2064
1465	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2066	if $self->per_player;
1467		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1468	$self	2071	$self
1469	}	2072	}
1470		2073
1471	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2075	sub load_neighbours {
1473	my ($map) = @_;	2076	my ($map) = @_;
1474		2077
1475	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1476		2079
1477	for (0 .. 3) {	2080	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1479	or next;	2082	or next;
1480	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1481	or next;	2084	or next;
1482	$neigh->load;	2085	$neigh->load;
1483		2086
		2087	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2090	}
1487		2091
1488	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1490	or next;	2095	or next;
1491	$neigh->load;	2096	$neigh->load;
1492	}	2097	}
1493	}	2098	}
1494		2099
…		…
1499	}	2104	}
1500		2105
1501	sub do_load_sync {	2106	sub do_load_sync {
1502	my ($map) = @_;	2107	my ($map) = @_;
1503		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1504	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1505	}	2113	}
1506		2114
1507	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1509		2117
1510	sub find_async {	2118	sub find_async {
1511	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1512		2120
1513	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1514		2122
1515	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2125	}
1518		2126
1519	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1520	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1521	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2134	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2135	$map->load if $v;
		2136	}
1526		2137
1527	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1528	}	2139	}
1529	}	2140	}
1530	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1531	};	2142	};
1532	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2146	}
1536		2147
1537	sub save {	2148	sub save {
1538	my ($self) = @_;	2149	my ($self) = @_;
1539		2150
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2152
1542	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1543		2154
1544	return unless $self->dirty;	2155	return unless $self->dirty;
1545		2156
…		…
1551	return if $self->{deny_save};	2162	return if $self->{deny_save};
1552		2163
1553	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1554		2165
1555	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1557	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1558		2172
1559	if ($uniq) {	2173	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2176	} else {
…		…
1568	my ($self) = @_;	2182	my ($self) = @_;
1569		2183
1570	# save first because save cedes	2184	# save first because save cedes
1571	$self->save;	2185	$self->save;
1572		2186
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2188
1575	return if $self->players;	2189	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1577	return if $self->{deny_save};	2191	return if $self->{deny_save};
1578		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2197	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2198	}
1582		2199
1583	sub reset_at {	2200	sub reset_at {
1584	my ($self) = @_;	2201	my ($self) = @_;
1585		2202
1586	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1589		2205
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2208
…		…
1603	my ($self) = @_;	2219	my ($self) = @_;
1604		2220
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2222
1607	return if $self->players;	2223	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2224
1610	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1611		2226
1612	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1613		2228
1614	# need to save uniques path	2229	# need to save uniques path
1615	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2234	if $uniq;
1620	}	2235	}
1621		2236
1622	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1623		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2241	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2242
1628	$self->unlink_save;	2243	$self->unlink_save;
1629	$self->destroy;	2244	$self->destroy;
1630	}	2245	}
1631		2246
1632	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1633		2248
1634	sub nuke {	2249	sub nuke {
1635	my ($self) = @_;	2250	my ($self) = @_;
1636		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1637	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1638		2256
1639	$self->unlink_save;	2257	$self->unlink_save;
1640		2258
1641	bless $self, "cf::map";	2259	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2264
1647	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1648		2267
1649	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1650	}	2305	}
1651		2306
1652	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1653		2308
1654	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2310	instantiated unique items. May block.
1656		2311
1657	=cut	2312	=cut
1658		2313
1659	sub unique_maps() {	2314	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1661	or return;	2316	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2317	utf8::decode $_;
1667	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2320	? ()
1670	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2323	]
1672
1673	\@paths
1674	}	2324	}
1675
1676	package cf;
1677		2325
1678	=back	2326	=back
1679		2327
1680	=head3 cf::object	2328	=head3 cf::object
1681		2329
…		…
1685		2333
1686	=over 4	2334	=over 4
1687		2335
1688	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1689		2337
1690	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1691		2340
1692	=cut	2341	=cut
1693		2342
1694	sub inv_recursive_;	2343	sub inv_recursive_;
1695	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1698		2347
1699	sub inv_recursive {	2348	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1701	}	2350	}
1702		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1703	package cf;	2380	package cf;
1704		2381
1705	=back	2382	=back
1706		2383
1707	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1716		2393
1717	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1718		2409
1719	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2411	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1724		2415
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2417
1727	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1729	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1732	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1733	}	2443	}
1734		2444
1735	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1736		2446
1737	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1750		2460
1751	=item $player_object->enter_link	2461	=item $player_object->enter_link
1752		2462
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2464
1755	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1757		2469
1758	Will never block.	2470	Will never block.
1759		2471
1760	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1761		2473
…		…
1784	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1785		2497
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2499
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1790		2502
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2504	}
1793		2505
1794	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1796		2510
1797	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1798		2512
1799	unless ($map) {	2513	unless ($map) {
1800	# restore original map position	2514	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1817		2531
1818	$map->load;	2532	$map->load;
1819	$map->load_diag;	2533	$map->load_neighbours;
1820		2534
1821	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1822	$self->activate_recursive;	2537	$self->activate_recursive;
1823		2538
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1826	}	2541	}
1827		2542
1828	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2544
1832	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1836	};	2549	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2550
1842	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2553
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1863		2557
1864	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2563
1867	$self->enter_link;	2564	$self->enter_link;
1868		2565
1869	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1870	my $map = eval {	2588	my $map = eval {
1871	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1873	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2604	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1878	})->prio (1);	2612	})->prio (1);
1879	}	2613	}
1880		2614
1881	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1882		2616
…		…
1902	}	2636	}
1903		2637
1904	sub prepare_random_map {	2638	sub prepare_random_map {
1905	my ($exit) = @_;	2639	my ($exit) = @_;
1906		2640
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2643	# that depends on the exit object
1912		2644
1913	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2647	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
1920	}	2654	}
1921		2655
1922	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
1923		2657
1924	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
1927		2661
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2664	undef $fh;
1931	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
1932		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
1935	}	2673	}
1936	}	2674	}
1937		2675
1938	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
1940		2678
1941	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
1942		2680
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2681	$self->enter_link;
1953		2682
1954	(async {	2683	(async {
1955	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
1956	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
1957	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
1958		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
1959	1;	2707	1
1960	}) {	2708	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2713
1966	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2715	$self->leave_link;
1968	}	2716	}
1969	})->prio (1);	2717	})->prio (1);
…		…
1982		2730
1983	sub cf::client::send_drawinfo {	2731	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2732	my ($self, $text, $flags) = @_;
1985		2733
1986	utf8::encode $text;	2734	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2736	}
1989		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
		2889	=item $client->ext_msg ($type, @msg)
		2890
		2891	Sends an ext event to the client.
		2892
		2893	=cut
		2894
		2895	sub cf::client::ext_msg($$@) {
		2896	my ($self, $type, @msg) = @_;
		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
		2901	push @msg, msgtype => "event_$type";
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
		2922	}
1990		2923
1991	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
1992		2925
1993	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2929
1997	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2931	become reliable at some point in the future.
1999		2932
2000	=cut	2933	=cut
2001		2934
2002	sub cf::client::query {	2935	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2944	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2946
2014	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2016	}	2951	}
2017		2952
2018	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2019	on_reply => sub {	2959	on_reply => sub {
2020	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2021		2961
2022	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2023	# get handled first	2963	# get handled first
…		…
2035	} else {	2975	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2977	}
2038	}	2978	}
2039	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2040	);	3006	);
2041		3007
2042	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2043		3009
2044	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2087		3053
2088	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2089		3055
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2091		3061
2092	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2093		3063
2094	=pod	3064	=pod
2095		3065
2096	The following fucntions and emthods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2097		3067
2098	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2099	cf::object::player player	3072	cf::object::player
2100	cf::player peaceful	3073	player
2101	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2102		3080
2103	=cut	3081	=cut
2104		3082
2105	for (	3083	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2107	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2110	) {	3090	) {
2111	no strict 'refs';	3091	no strict 'refs';
…		…
2182	=back	3162	=back
2183		3163
2184	=cut	3164	=cut
2185		3165
2186	#############################################################################	3166	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3167	# the server's init and main functions
2260		3168
		3169	sub load_facedata($) {
		3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3177
		3178	warn "loading facedata from $path\n";
		3179
		3180	my $facedata;
		3181	0 < aio_load $path, $facedata
		3182	or die "$path: $!";
		3183
		3184	$facedata = Coro::Storable::thaw $facedata;
		3185
		3186	$facedata->{version} == 2
		3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
		3196	{
		3197	my $faces = $facedata->{faceinfo};
		3198
		3199	while (my ($face, $info) = each %$faces) {
		3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
		3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
		3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3206
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	while (my ($face, $info) = each %$faces) {
		3211	next unless $info->{smooth};
		3212
		3213	my $idx = cf::face::find $face
		3214	or next;
		3215
		3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
		3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3219	} else {
		3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	{
		3228	my $anims = $facedata->{animinfo};
		3229
		3230	while (my ($anim, $info) = each %$anims) {
		3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3232	cf::cede_to_tick;
		3233	}
		3234
		3235	cf::anim::invalidate_all; # d'oh
		3236	}
		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
		3273	1
		3274	}
		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
2261	sub load_resources {	3304	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
		3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
		3319	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3320	or die "unable to load regions file\n";
2264	}
2265		3321
2266	sub cfg_load {	3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
		3326	}
		3327
		3328	sub reload_facedata {
		3329	load_facedata "$DATADIR/facedata"
		3330	or die "unable to load facedata\n";
		3331	}
		3332
		3333	sub reload_archetypes {
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_facedata;
		3347	reload_archetypes;
		3348	reload_regions;
		3349	reload_treasures;
		3350
		3351	warn "finished reloading resource files\n";
		3352	}
		3353
		3354	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3356	or return;
2269		3357
2270	local $/;	3358	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2272		3360
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3362
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3370	};
2283	warn $@ if $@;	3371	warn $@ if $@;
2284	}	3372	}
2285	}	3373	}
2286		3374
2287	sub init {	3375	sub pidfile() {
2288	load_resources;	3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
2289	}	3392	}
2290		3393
2291	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406
		3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408
2292	# we must not ever block the main coroutine	3409	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3410	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3411	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3412	(async {
2296	Event::one_event;	3413	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3414	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3415	})->prio (Coro::PRIO_MAX);
2298	};	3416	};
2299		3417
2300	cfg_load;	3418	evthread_start IO::AIO::poll_fileno;
		3419
		3420	cf::sync_job {
		3421	reload_resources;
		3422	reload_config;
2301	db_init;	3423	db_init;
		3424
		3425	cf::load_settings;
		3426	cf::load_materials;
		3427	cf::init_uuid;
		3428	cf::init_signals;
		3429	cf::init_commands;
		3430	cf::init_skills;
		3431
		3432	cf::init_beforeplay;
		3433
		3434	atomic;
		3435
2302	load_extensions;	3436	load_extensions;
2303		3437
2304	$TICK_WATCHER->start;	3438	utime time, time, $RUNTIMEFILE;
		3439
		3440	# no (long-running) fork's whatsoever before this point(!)
		3441	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3442
		3443	(pop @POST_INIT)->(0) while @POST_INIT;
		3444	};
		3445
2305	Event::loop;	3446	EV::loop;
2306	}	3447	}
2307		3448
2308	#############################################################################	3449	#############################################################################
2309	# initialisation and cleanup	3450	# initialisation and cleanup
2310		3451
2311	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2312	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2321	},
2322	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2323	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_seq uuid_cur;
		3513
		3514	unless ($value) {
		3515	warn "cowardly refusing to write zero uuid value!\n";
		3516	return;
		3517	}
		3518
		3519	my $value = uuid_str $value + $uuid_skip;
		3520	$uuid_skip = 0;
		3521
		3522	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3523	and return;
		3524
		3525	# always fsync - this file is important
		3526	aio_fsync $fh
		3527	and return;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$uuid~", $uuid
		3533	and return;
		3534
		3535	warn "uuid file written ($value).\n";
		3536
		3537	1
		3538
		3539	}
		3540
		3541	sub write_uuid($$) {
		3542	my ($skip, $sync) = @_;
		3543
		3544	$sync ? write_uuid_sync $skip
		3545	: async { write_uuid_sync $skip };
2324	}	3546	}
2325		3547
2326	sub emergency_save() {	3548	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3549	my $freeze_guard = cf::freeze_mainloop;
2328		3550
2329	warn "enter emergency perl save\n";	3551	warn "emergency_perl_save: enter\n";
2330		3552
2331	cf::sync_job {	3553	cf::sync_job {
		3554	# this is a trade-off: we want to be very quick here, so
		3555	# save all maps without fsync, and later call a global sync
		3556	# (which in turn might be very very slow)
		3557	local $USE_FSYNC = 0;
		3558
2332	# use a peculiar iteration method to avoid tripping on perl	3559	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3560	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3561	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3562	warn "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3563	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3564	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3565	$pl->valid or next;
		3566	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3567	$pl->save;
2340	}	3568	}
2341	warn "end emergency player save\n";	3569	warn "emergency_perl_save: end player save\n";
2342		3570
2343	warn "begin emergency map save\n";	3571	warn "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3572	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3573	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3574	$map->valid or next;
2347	$map->save;	3575	$map->save;
2348	}	3576	}
2349	warn "end emergency map save\n";	3577	warn "emergency_perl_save: end map save\n";
2350		3578
2351	warn "begin emergency database checkpoint\n";	3579	warn "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3580	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3581	warn "emergency_perl_save: end database checkpoint\n";
		3582
		3583	warn "emergency_perl_save: begin write uuid\n";
		3584	write_uuid_sync 1;
		3585	warn "emergency_perl_save: end write uuid\n";
2354	};	3586	};
2355		3587
		3588	warn "emergency_perl_save: starting sync()\n";
		3589	IO::AIO::aio_sync sub {
		3590	warn "emergency_perl_save: finished sync()\n";
		3591	};
		3592
2356	warn "leave emergency perl save\n";	3593	warn "emergency_perl_save: leave\n";
2357	}	3594	}
2358		3595
2359	sub post_cleanup {	3596	sub post_cleanup {
2360	my ($make_core) = @_;	3597	my ($make_core) = @_;
2361		3598
2362	warn Carp::longmess "post_cleanup backtrace"	3599	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3600	if $make_core;
2364	}
2365		3601
		3602	my $fh = pidfile;
		3603	unlink $PIDFILE if <$fh> == $$;
		3604	}
		3605
		3606	# a safer delete_package, copied from Symbol
		3607	sub clear_package($) {
		3608	my $pkg = shift;
		3609
		3610	# expand to full symbol table name if needed
		3611	unless ($pkg =~ /^main::.*::$/) {
		3612	$pkg = "main$pkg" if $pkg =~ /^::/;
		3613	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3614	$pkg .= '::' unless $pkg =~ /::$/;
		3615	}
		3616
		3617	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3618	my $stem_symtab = *{$stem}{HASH};
		3619
		3620	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3621	or return;
		3622
		3623	# clear all symbols
		3624	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3625	for my $name (keys %$leaf_symtab) {
		3626	_gv_clear *{"$pkg$name"};
		3627	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3628	}
		3629	warn "cleared package $pkg\n";#d#
		3630	}
		3631
2366	sub reload() {	3632	sub do_reload_perl() {
2367	# can/must only be called in main	3633	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3634	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3635	warn "can only reload from main coroutine";
2370	return;	3636	return;
2371	}	3637	}
2372		3638
		3639	return if $RELOAD++;
		3640
		3641	my $t1 = EV::time;
		3642
		3643	while ($RELOAD) {
2373	warn "reloading...";	3644	warn "reloading...";
2374		3645
2375	warn "entering sync_job";	3646	warn "entering sync_job";
2376		3647
2377	cf::sync_job {	3648	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2379	cf::emergency_save;	3650	cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2381		3652
2382	warn "syncing database to disk";	3653	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3655
2385	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2386		3657
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2398	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	}
2400
2401	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();
2404
2405	warn "removing commands";
2406	%COMMAND = ();
2407
2408	warn "removing ext commands";
2409	%EXTCMD = ();
2410
2411	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";
2414
2415	if (my $cb = $pkg->can ("unload")) {
2416	eval {
2417	$cb->($pkg);
2418	1
2419	} or warn "$pkg unloaded, but with errors: $@";
2420	}	3661	}
2421		3662
2422	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2423	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2424	}	3665	%EXT_CORO = ();
2425		3666
2426	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2427	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2430	warn "... unloading $k";	3676	warn "... unloading $pkg";
2431	delete $INC{$k};
2432		3677
2433	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;
2435
2436	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2437	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2438	}	3687	}
2439		3688
2440	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2441	}	3704	}
2442		3705
2443	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3709
2447	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2449		3713
2450	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3715	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2453		3717
2454	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2455		3719
2456	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2457	require cf;	3721	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3723
2460	warn "loading config and database again";	3724	warn "loading config and database again";
2461	cf::cfg_load;	3725	cf::reload_config;
2462		3726
2463	warn "loading extensions";	3727	warn "loading extensions";
2464	cf::load_extensions;	3728	cf::load_extensions;
2465		3729
		3730	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	3731	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3732	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3733	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3734	reattach $_ for values %MAP;
		3735	warn "reattaching attachments to players";
		3736	reattach $_ for values %PLAYER;
		3737	}
2470		3738
2471	warn "loading reloadable resources";	3739	warn "running post_init jobs";
2472	load_resources;	3740	(pop @POST_INIT)->(1) while @POST_INIT;
2473		3741
2474	warn "leaving sync_job";	3742	warn "leaving sync_job";
2475		3743
2476	1	3744	1
2477	} or do {	3745	} or do {
2478	warn $@;	3746	warn $@;
2479	warn "error while reloading, exiting.";	3747	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	3748	};
		3749
		3750	warn "reloaded";
		3751	--$RELOAD;
		3752	}
		3753
		3754	$t1 = EV::time - $t1;
		3755	warn "reload completed in ${t1}s\n";
		3756	};
		3757
		3758	our $RELOAD_WATCHER; # used only during reload
		3759
		3760	sub reload_perl() {
		3761	# doing reload synchronously and two reloads happen back-to-back,
		3762	# coro crashes during coro_state_free->destroy here.
		3763
		3764	$RELOAD_WATCHER ||= cf::async {
		3765	Coro::AIO::aio_wait cache_extensions;
		3766
		3767	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3768	do_reload_perl;
		3769	undef $RELOAD_WATCHER;
		3770	};
2481	};	3771	};
2482		3772	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		3773
2488	register_command "reload" => sub {	3774	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3775	my ($who, $arg) = @_;
2490		3776
2491	if ($who->flag (FLAG_WIZ)) {	3777	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3778	$who->message ("reloading server.");
2493		3779	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3780	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3781	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3782	};
2506	}	3783	}
2507	};	3784	};
2508		3785
2509	unshift @INC, $LIBDIR;	3786	unshift @INC, $LIBDIR;
2510		3787
2511	my $bug_warning = 0;	3788	my $bug_warning = 0;
2512		3789
2513	$TICK_WATCHER = Event->timer (	3790	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3791	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3792
2516	prio => 0,	3793	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3794	return if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	3795
2519	cb => sub {	3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub wait_for_tick_begin {
		3802	return if tick_inhibit || $Coro::current == $Coro::main;
		3803
		3804	my $signal = new Coro::Signal;
		3805	push @WAIT_FOR_TICK_BEGIN, $signal;
		3806	$signal->wait;
		3807	}
		3808
		3809	sub tick {
2520	if ($Coro::current != $Coro::main) {	3810	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3811	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3812	unless ++$bug_warning > 10;
2523	return;	3813	return;
2524	}	3814	}
2525		3815
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	3816	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		3817
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3818	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3819	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	3820	Coro::async_pool {
		3821	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	3822	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	3823	or warn "ERROR: unable to write runtime file: $!";
2537	};
2538	}	3824	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	3825	}
2553	);	3826
		3827	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3828	$sig->send;
		3829	}
		3830	while (my $sig = shift @WAIT_FOR_TICK) {
		3831	$sig->send;
		3832	}
		3833
		3834	$LOAD = ($NOW - $TICK_START) / $TICK;
		3835	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3836
		3837	if (0) {
		3838	if ($NEXT_TICK) {
		3839	my $jitter = $TICK_START - $NEXT_TICK;
		3840	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3841	warn "jitter $JITTER\n";#d#
		3842	}
		3843	}
		3844	}
2554		3845
2555	{	3846	{
2556	BDB::max_poll_time $TICK * 0.1;	3847	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	3848
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	3849	BDB::min_parallel 8;
2566		3850	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	3851	$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		3852
2582	unless ($DB_ENV) {	3853	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	3854	$DB_ENV = BDB::db_env_create;
		3855	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3856	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3857	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3858	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3859	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		3860
2585	cf::sync_job {	3861	cf::sync_job {
2586	eval {	3862	eval {
2587	BDB::db_env_open	3863	BDB::db_env_open
2588	$DB_ENV,	3864	$DB_ENV,
2589	$BDB_ENV_DIR,	3865	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3866	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3867	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3868	0666;
2593		3869
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3870	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	3871	};
2599		3872
2600	cf::cleanup "db_env_open(db): $@" if $@;	3873	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	3874	};
2602	}	3875	}
		3876
		3877	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3878	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3879	};
		3880	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3881	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3882	};
		3883	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3884	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3885	};
2603	}	3886	}
2604		3887
2605	{	3888	{
		3889	# configure IO::AIO
		3890
2606	IO::AIO::min_parallel 8;	3891	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	3892	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	3893	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	3894	}
		3895
		3896	my $_log_backtrace;
		3897
		3898	sub _log_backtrace {
		3899	my ($msg, @addr) = @_;
		3900
		3901	$msg =~ s/\n//;
		3902
		3903	# limit the # of concurrent backtraces
		3904	if ($_log_backtrace < 2) {
		3905	++$_log_backtrace;
		3906	my $perl_bt = Carp::longmess $msg;
		3907	async {
		3908	$Coro::current->{desc} = "abt $msg";
		3909
		3910	my @bt = fork_call {
		3911	@addr = map { sprintf "%x", $_ } @addr;
		3912	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3913	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3914	or die "addr2line: $!";
		3915
		3916	my @funcs;
		3917	my @res = <$fh>;
		3918	chomp for @res;
		3919	while (@res) {
		3920	my ($func, $line) = splice @res, 0, 2, ();
		3921	push @funcs, "[$func] $line";
		3922	}
		3923
		3924	@funcs
		3925	};
		3926
		3927	LOG llevInfo, "[ABT] $perl_bt\n";
		3928	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3929	LOG llevInfo, "[ABT] $_\n" for @bt;
		3930	--$_log_backtrace;
		3931	};
		3932	} else {
		3933	LOG llevInfo, "[ABT] $msg\n";
		3934	LOG llevInfo, "[ABT] [suppressed]\n";
		3935	}
		3936	}
		3937
		3938	# load additional modules
		3939	use cf::pod;
2619		3940
2620	END { cf::emergency_save }	3941	END { cf::emergency_save }
2621		3942
2622	1	3943	1
2623		3944

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