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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.470 by root, Sun Apr 26 19:42:45 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
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 on
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;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
61		118
62	our %CFG;	119	our %CFG;
63		120
64	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
66		124
67	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	127	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		128
76	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
79	binmode STDOUT;	141	binmode STDOUT;
80	binmode STDERR;	142	binmode STDERR;
81		143
82	# read virtual server time, if available	144	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
87	}	149	}
88		150
89	mkdir cf::localdir;	151	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	152
91	mkdir cf::localdir . "/" . cf::tmpdir;	153	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		155
96	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
97		157
98	sub cf::map::normalise;	158	sub cf::map::normalise;
99		159
…		…
110	=item $cf::RUNTIME	170	=item $cf::RUNTIME
111		171
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	173	every server tick.
114		174
115	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		178
117	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
119		183
120	=item $cf::NOW	184	=item $cf::NOW
121		185
122	The time of the last (current) server tick.	186	The time of the last (current) server tick.
123		187
124	=item $cf::TICK	188	=item $cf::TICK
125		189
126	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
127		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
128	=item %cf::CFG	202	=item %cf::CFG
129		203
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	205	from wherever your confdir points to.
132		206
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		208
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	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	210	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	211	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.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
139		218
140	=back	219	=back
141		220
142	=cut	221	=cut
143		222
144	BEGIN {	223	BEGIN {
145	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	225	my $msg = join "", @_;
147	utf8::encode $msg;
148		226
149	$msg .= "\n"	227	$msg .= "\n"
150	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
151		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
152	LOG llevError, $msg;	232	LOG llevError, $msg;
153	};	233	};
154	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
155		250
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		258
163	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	260	# within the Safe compartment.
165	for my $pkg (qw(	261	for my $pkg (qw(
166	cf::global cf::attachable	262	cf::global cf::attachable
167	cf::object cf::object::player	263	cf::object cf::object::player
168	cf::client cf::player	264	cf::client cf::player
169	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
170	cf::map cf::party cf::region	267	cf::party cf::region
171	)) {	268	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	270	}
175		271
176	$Event::DIED = sub {	272	$EV::DIED = sub {
177	warn "error in event callback: @_";	273	warn "error in event callback: @_";
178	};	274	};
		275
		276	#############################################################################
179		277
180	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
181		279
182	=over 4	280	=over 4
183		281
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	301	$d
204	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
205	}	303	}
206		304
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
210		306
211	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
212		308
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
221		310
222	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
223		312
224	=cut	313	=cut
225		314
226	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
228	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
229	}	332	}
230		333
231	=item cf::lock_wait $string	334	=item cf::lock_wait $string
232		335
233	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
234		337
235	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
236		339
237	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
240	returned.	343	returned.
241		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
242	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
244		350
245	=cut	351	=item $locked = cf::lock_active $string
246		352
247	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
248		358
249	sub lock_wait($) {	359	sub lock_wait($) {
250	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	361	}
258		362
259	sub lock_acquire($) {	363	sub lock_acquire($) {
260	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
261		366
262	# wait, to be sure we are not locked	367	sub lock_active($) {
263	lock_wait $key;	368	$LOCKS->count ($_[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	}	369	}
272		370
273	sub freeze_mainloop {	371	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
275		373
276	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
278	};	435	}
279	$TICK_WATCHER->stop;	436	};
280	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
281	}	450	}
282		451
283	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
284		453
285	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		459
291	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
292		461
293	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
294		463
295	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
298		468
299	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
302	fast or be very important.	472	fast or be very important.
…		…
305		475
306	sub sync_job(&) {	476	sub sync_job(&) {
307	my ($job) = @_;	477	my ($job) = @_;
308		478
309	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
310	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
312		484
313	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	486
315	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
316		488
317	my $busy = 1;	489	my $busy = 1;
318	my @res;	490	my @res;
319		491
320	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	494	@res = eval { $job->() };
322	warn $@ if $@;	495	warn $@ if $@;
323	undef $busy;	496	undef $busy;
324	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
325		498
326	while ($busy) {	499	while ($busy) {
327	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
328	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
329		510
330	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
331	} else {	512	} else {
332	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
333		514
…		…
353	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
354		535
355	$coro	536	$coro
356	}	537	}
357		538
358	sub write_runtime {	539	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		540
361	my $runtime = cf::localdir . "/runtime";	541	Executes the given code block with the given arguments in a seperate
		542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
362		545
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	=cut
364	or return;
365		547
366	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		550
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
371	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
372		554
373	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	556	reset_signals;
375	and return;	557	&$cb
		558	}, @args;
376		559
377	close $fh	560	wantarray ? @res : $res[-1]
378	or return;	561	}
379		562
380	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
381	and return;
382		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
383	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	726	}
385		727
386	=back	728	=back
387		729
388	=cut	730	=cut
389		731
390	#############################################################################	732	#############################################################################
391		733
392	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
393		735
394	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
397		739
398	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	742	Deliantra).
401		743
402	=over 4	744	=over 4
403		745
404	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
405		747
…		…
449	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
450		792
451	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
453		795
454	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
456		798
457	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
458		800
459	=over 4	801	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
569		911
570	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		916
575	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	918	my $pkg = shift @arg;
577		919
578	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
608	}	950	}
609		951
610	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
611	} else {	953	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	955	}
614		956
615	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
616	}	958	}
617		959
…		…
619	if (ref $_[0]) {	961	if (ref $_[0]) {
620	_object_attach @_;	962	_object_attach @_;
621	} else {	963	} else {
622	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
623	}	965	}
		966	_recalc_want;
624	};	967	};
625		968
626	# all those should be optimised	969	# all those should be optimised
627	sub cf::attachable::detach {	970	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
632	reattach ($obj);	975	reattach ($obj);
633	} else {	976	} else {
634	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
635	}	978	}
		979	_recalc_want;
636	};	980	};
637		981
638	sub cf::attachable::attached {	982	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
640		984
…		…
655	";	999	";
656	die if $@;	1000	die if $@;
657	}	1001	}
658		1002
659	our $override;	1003	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1005
662	sub override {	1006	sub override {
663	$override = 1;	1007	$override = 1;
664	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
665	}	1009	}
666		1010
667	sub do_invoke {	1011	sub do_invoke {
668	my $event = shift;	1012	my $event = shift;
669	my $callbacks = shift;	1013	my $callbacks = shift;
670		1014
671	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
672		1016
673	local $override;	1017	local $override;
674		1018
675	for (@$callbacks) {	1019	for (@$callbacks) {
676	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
685	}	1029	}
686		1030
687	0	1031	0
688	}	1032	}
689		1033
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1035
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1037
694	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
695		1039
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1043
700	=back	1044	=back
701		1045
702	=cut	1046	=cut
703		1047
704	#############################################################################	1048	#############################################################################
705	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
706		1092
707	sub reattach {	1093	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1095	my ($obj) = @_;
710		1096
		1097	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1099
713	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
714		1101
715	@$registry = ();	1102	@$registry = ();
716		1103
…		…
731	cf::attachable->attach (	1118	cf::attachable->attach (
732	prio => -1000000,	1119	prio => -1000000,
733	on_instantiate => sub {	1120	on_instantiate => sub {
734	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
735		1122
736	$data = from_json $data;	1123	$data = decode_json $data;
737		1124
738	for (@$data) {	1125	for (@$data) {
739	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
740		1127
741	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1144	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
759		1146
760	sync_job {	1147	sync_job {
761	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
764		1152
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1157	aio_close $fh;
770		1158
771	if (@$objs) {	1159	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1165	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
779	}	1167	}
780	} else {	1168	} else {
781	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
782	}	1170	}
783		1171
784	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1176	} else {
786	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
787	}	1178	}
788	} else {	1179	} else {
789	aio_unlink $filename;	1180	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
791	}	1182	}
792	}	1183	};
793	}	1184	}
794		1185
795	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
797		1188
…		…
809	or return;	1200	or return;
810		1201
811	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
813	or return;	1204	or return;
		1205
814	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
815	}	1208	}
816		1209
		1210	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
819	return ($data, $av);	1214	($data, $av)
820	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
821		1222
822	#############################################################################	1223	#############################################################################
823	# command handling &c	1224	# command handling &c
824		1225
825	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1240	}
840		1241
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1243
843	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
844		1249
845	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
846	called.	1251	called.
847		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
848	=cut	1264	=cut
849		1265
850	sub register_extcmd {	1266	sub register_extcmd {
851	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
852		1268
853	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
854	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
855		1279
856	cf::player->attach (	1280	cf::player->attach (
857	on_command => sub {	1281	on_command => sub {
858	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
859		1283
…		…
867	cf::override;	1291	cf::override;
868	},	1292	},
869	on_extcmd => sub {	1293	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
871		1295
872	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1297
874	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
880	} else {	1313	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1315	}
883		1316
884	cf::override;	1317	cf::override;
885	},	1318	},
886	);	1319	);
887		1320
		1321	# "readahead" all extensions
888	sub load_extension {	1322	sub cache_extensions {
889	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
890		1324
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
892	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1328	}
916	die $@;
917	}	1329	};
918		1330
919	push @EXTS, $pkg;	1331	$grp
920	}	1332	}
921		1333
922	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
923	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1339	next unless -r $path;
925	eval {	1340
926	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
927	1	1397	}
928	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
929	}	1403	};
930	}	1404	}
931		1405
932	#############################################################################	1406	#############################################################################
933		1407
		1408	=back
		1409
934	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
935		1411
936	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
937		1413
938	=cut	1414	=cut
939		1415
940	package cf::player;	1416	package cf::player;
941		1417
…		…
943		1419
944	=head3 cf::player	1420	=head3 cf::player
945		1421
946	=over 4	1422	=over 4
947		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
		1437
948	=item cf::player::find $login	1438	=item cf::player::find $login
949		1439
950	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
951		1441
952	=cut	1442	=cut
953		1443
954	sub playerdir($) {	1444	sub playerdir($) {
955	cf::localdir	1445	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1446	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1447	}
961		1448
962	sub path($) {	1449	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1450	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1451
965	(playerdir $login) . "/$login.pl"	1452	(playerdir $login) . "/playerdata"
966	}	1453	}
967		1454
968	sub find_active($) {	1455	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1456	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1457	and $cf::PLAYER{$_[0]}->active
…		…
973		1460
974	sub exists($) {	1461	sub exists($) {
975	my ($login) = @_;	1462	my ($login) = @_;
976		1463
977	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
979	}	1466	}
980		1467
981	sub find($) {	1468	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1470	my $login = $_[0];
984		1471
985	my $guard = cf::lock_acquire "user_find:$login";	1472	my $guard = cf::lock_acquire "user_find:$login";
986		1473
987	$cf::PLAYER{$_[0]} || do {	1474	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1475	# rename old playerfiles to new ones
		1476	#TODO: remove when no longer required
		1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1480	aio_unlink +(playerdir $login) . "/$login.pl";
		1481
		1482	my $f = new_from_file cf::object::thawer path $login
989	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
991	}	1491	}
992	}	1492	}
993	}	1493	}
994		1494
…		…
1003	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1004		1504
1005	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1007		1507
		1508	cf::get_slot 0.01;
		1509
1008	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1009	Coro::cede;	1511	cf::cede_to_tick;
1010	}	1512	}
1011		1513
1012	sub new($) {	1514	sub new($) {
1013	my ($login) = @_;	1515	my ($login) = @_;
1014		1516
…		…
1020	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1021		1523
1022	$self	1524	$self
1023	}	1525	}
1024		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1025	=item $pl->quit_character	1537	=item $pl->quit_character
1026		1538
1027	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1029		1541
1030	=cut	1542	=cut
1031		1543
1032	sub quit_character {	1544	sub quit_character {
1033	my ($pl) = @_;	1545	my ($pl) = @_;
1034		1546
		1547	my $name = $pl->ob->name;
		1548
1035	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1551
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1042		1558
1043	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1561	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1562	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1563	$pl->destroy;
		1564
		1565	my $prefix = qr<^~\Q$name\E/>;
		1566
		1567	# nuke player maps
		1568	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1569
1048	IO::AIO::aio_rmtree $temp;	1570	IO::AIO::aio_rmtree $temp;
		1571	}
		1572
		1573	=item $pl->kick
		1574
		1575	Kicks a player out of the game. This destroys the connection.
		1576
		1577	=cut
		1578
		1579	sub kick {
		1580	my ($pl, $kicker) = @_;
		1581
		1582	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1583	$pl->killer ("kicked");
		1584	$pl->ns->destroy;
1049	}	1585	}
1050		1586
1051	=item cf::player::list_logins	1587	=item cf::player::list_logins
1052		1588
1053	Returns am arrayref of all valid playernames in the system, can take a	1589	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1590	while and may block, so not sync_job-capable, ever.
1055		1591
1056	=cut	1592	=cut
1057		1593
1058	sub list_logins {	1594	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1595	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1596	or return [];
1061		1597
1062	my @logins;	1598	my @logins;
1063		1599
1064	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1068		1610
1069	utf8::decode $login;	1611	utf8::decode $login;
1070	push @logins, $login;	1612	push @logins, $login;
1071	}	1613	}
1072		1614
…		…
1099	}	1641	}
1100		1642
1101	\@paths	1643	\@paths
1102	}	1644	}
1103		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1105		1651
1106	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1107		1653
1108	=cut	1654	=cut
1109		1655
1110	sub ext_reply($$$%) {	1656	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1112		1658
1113	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1660	}
1117		1661
1118	package cf;	1662	=item $player->ext_msg ($type, @msg)
		1663
		1664	Sends an ext event to the client.
		1665
		1666	=cut
		1667
		1668	sub ext_msg($$@) {
		1669	my ($self, $type, @msg) = @_;
		1670
		1671	$self->ns->ext_msg ($type, @msg);
		1672	}
		1673
		1674	=head3 cf::region
		1675
		1676	=over 4
		1677
		1678	=cut
		1679
		1680	package cf::region;
		1681
		1682	=item cf::region::find_by_path $path
		1683
		1684	Tries to decuce the likely region for a map knowing only its path.
		1685
		1686	=cut
		1687
		1688	sub find_by_path($) {
		1689	my ($path) = @_;
		1690
		1691	my ($match, $specificity);
		1692
		1693	for my $region (list) {
		1694	if ($region->{match} && $path =~ $region->{match}) {
		1695	($match, $specificity) = ($region, $region->specificity)
		1696	if $region->specificity > $specificity;
		1697	}
		1698	}
		1699
		1700	$match
		1701	}
1119		1702
1120	=back	1703	=back
1121
1122		1704
1123	=head3 cf::map	1705	=head3 cf::map
1124		1706
1125	=over 4	1707	=over 4
1126		1708
…		…
1138	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1140		1722
1141	sub generate_random_map {	1723	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1143	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1729	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1182		1767
1183	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1184	local $self->{path};	1769	local $self->{path};
1185	local $self->{load_path};	1770	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1771
1189	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1190	}	1773	}
1191		1774
1192	sub normalise {	1775	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1240	return $self;	1823	return $self;
1241	}	1824	}
1242	}	1825	}
1243		1826
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1828	()
1246	}	1829	}
1247		1830
1248	sub init {	1831	sub init {
1249	my ($self) = @_;	1832	my ($self) = @_;
…		…
1264		1847
1265	# the original (read-only) location	1848	# the original (read-only) location
1266	sub load_path {	1849	sub load_path {
1267	my ($self) = @_;	1850	my ($self) = @_;
1268		1851
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1270	}	1853	}
1271		1854
1272	# the temporary/swap location	1855	# the temporary/swap location
1273	sub save_path {	1856	sub save_path {
1274	my ($self) = @_;	1857	my ($self) = @_;
1275		1858
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1278	}	1861	}
1279		1862
1280	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1281	sub uniq_path {	1864	sub uniq_path {
1282	my ($self) = @_;	1865	my ($self) = @_;
1283		1866
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1286	}	1869	}
1287		1870
1288	# and all this just because we cannot iterate over	1871	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	1872	my ($self) = @_;
1292		1873
1293	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1295	}	1877	}
1296		1878
1297	sub unlink_save {	1879	sub unlink_save {
1298	my ($self) = @_;	1880	my ($self) = @_;
1299		1881
…		…
1304		1886
1305	sub load_header_from($) {	1887	sub load_header_from($) {
1306	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1307		1889
1308	utf8::encode $path;	1890	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1314		1899
1315	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1316		1901
1317	1	1902	1
1318	}	1903	}
…		…
1357	$self->load_header_orig	1942	$self->load_header_orig
1358	or return;	1943	or return;
1359	$self->prepare_orig;	1944	$self->prepare_orig;
1360	}	1945	}
1361		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
		1950	$self->default_region (cf::region::find_by_path $self->{path})
		1951	unless $self->default_region;
		1952
1362	1	1953	1
1363	}	1954	}
1364		1955
1365	sub find;	1956	sub find;
1366	sub find {	1957	sub find {
1367	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1368		1959
1369	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1370		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1372		1964
1373	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1374	my $guard = cf::lock_acquire "map_find:$path";
1375	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1376	or return;	1967	or return;
1377		1968
1378	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1379		1970
1380	$map->load_header	1971	$map->load_header
1381	or return;	1972	or return;
1382		1973
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1386	$map->reset;	1979	$map->reset;
1387	undef $guard;
1388	return find $path;	1980	return find $path;
1389	}	1981	}
1390		1982
1391	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1392	}	1984	}
…		…
1399	my ($self) = @_;	1991	my ($self) = @_;
1400		1992
1401	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1402		1994
1403	my $path = $self->{path};	1995	my $path = $self->{path};
		1996
		1997	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1405		1999
		2000	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2002
1408	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1409		2004
1410	$self->alloc;	2005	$self->alloc;
1411		2006
1412	$self->pre_load;	2007	$self->pre_load;
		2008	cf::cede_to_tick;
1413		2009
1414	$self->_load_objects ($self->{load_path}, 1)	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
		2012	$self->_load_objects ($f)
1415	or return;	2013	or return;
1416		2014
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1418	if delete $self->{load_original};	2016	if delete $self->{load_original};
1419		2017
1420	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	2019	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	2022	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1425	}	2026	}
1426	}	2027	}
1427		2028
1428	Coro::cede;	2029	$f->resolve_delayed_derefs;
1429		2030
		2031	cf::cede_to_tick;
1430	# now do the right thing for maps	2032	# now do the right thing for maps
1431	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	2035	unless $self->difficulty;
1441	Coro::cede;	2036	cf::cede_to_tick;
		2037
		2038	unless ($self->{deny_activate}) {
		2039	$self->decay_objects;
		2040	$self->fix_auto_apply;
		2041	$self->update_buttons;
		2042	cf::cede_to_tick;
1442	$self->activate;	2043	$self->activate;
		2044	}
		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
		2049	$self->in_memory (cf::MAP_ACTIVE);
1443	}	2050	}
1444		2051
1445	$self->post_load;	2052	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2053	}
1449		2054
1450	sub customise_for {	2055	sub customise_for {
1451	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1452		2057
1453	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2059	if $self->per_player;
1455		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1456	$self	2064	$self
1457	}	2065	}
1458		2066
1459	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	2068	sub load_neighbours {
1461	my ($map) = @_;	2069	my ($map) = @_;
1462		2070
1463	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1464		2072
1465	for (0 .. 3) {	2073	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1467	or next;	2075	or next;
1468	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1469	or next;	2077	or next;
1470	$neigh->load;	2078	$neigh->load;
1471		2079
		2080	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2083	}
1475		2084
1476	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1478	or next;	2088	or next;
1479	$neigh->load;	2089	$neigh->load;
1480	}	2090	}
1481	}	2091	}
1482		2092
…		…
1487	}	2097	}
1488		2098
1489	sub do_load_sync {	2099	sub do_load_sync {
1490	my ($map) = @_;	2100	my ($map) = @_;
1491		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1492	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1493	}	2106	}
1494		2107
1495	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1497		2110
1498	sub find_async {	2111	sub find_async {
1499	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1500		2113
1501	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1502		2115
1503	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505	}	2118	}
1506		2119
1507	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1508	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1509	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2127	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2128	$map->load if $v;
		2129	}
1514		2130
1515	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1516	}	2132	}
1517	}	2133	}
1518	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1519	};	2135	};
1520	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2139	}
1524		2140
1525	sub save {	2141	sub save {
1526	my ($self) = @_;	2142	my ($self) = @_;
1527		2143
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2145
1530	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1531		2147
1532	return unless $self->dirty;	2148	return unless $self->dirty;
1533		2149
…		…
1539	return if $self->{deny_save};	2155	return if $self->{deny_save};
1540		2156
1541	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1542		2158
1543	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1545	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1546		2165
1547	if ($uniq) {	2166	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1550	} else {	2169	} else {
…		…
1556	my ($self) = @_;	2175	my ($self) = @_;
1557		2176
1558	# save first because save cedes	2177	# save first because save cedes
1559	$self->save;	2178	$self->save;
1560		2179
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2181
1563	return if $self->players;	2182	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1565	return if $self->{deny_save};	2184	return if $self->{deny_save};
1566		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2190	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2191	}
1570		2192
1571	sub reset_at {	2193	sub reset_at {
1572	my ($self) = @_;	2194	my ($self) = @_;
1573		2195
1574	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1577		2198
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2201
…		…
1591	my ($self) = @_;	2212	my ($self) = @_;
1592		2213
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2215
1595	return if $self->players;	2216	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2217
1598	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1599		2219
1600	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1601		2221
1602	# need to save uniques path	2222	# need to save uniques path
1603	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2227	if $uniq;
1608	}	2228	}
1609		2229
1610	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1611		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2234	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2235
1616	$self->unlink_save;	2236	$self->unlink_save;
1617	$self->destroy;	2237	$self->destroy;
1618	}	2238	}
1619		2239
1620	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1621		2241
1622	sub nuke {	2242	sub nuke {
1623	my ($self) = @_;	2243	my ($self) = @_;
1624		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1625	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1626		2249
1627	$self->unlink_save;	2250	$self->unlink_save;
1628		2251
1629	bless $self, "cf::map";	2252	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2257
1635	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1636		2260
1637	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1638	}	2298	}
1639		2299
1640	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1641		2301
1642	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2303	instantiated unique items. May block.
1644		2304
1645	=cut	2305	=cut
1646		2306
1647	sub unique_maps() {	2307	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2308	[
1649	or return;	2309	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2310	utf8::decode $_;
1655	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1656	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657		2313	? ()
1658	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2316	]
1660
1661	\@paths
1662	}	2317	}
1663
1664	package cf;
1665		2318
1666	=back	2319	=back
1667		2320
1668	=head3 cf::object	2321	=head3 cf::object
1669		2322
…		…
1673		2326
1674	=over 4	2327	=over 4
1675		2328
1676	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1677		2330
1678	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1679		2333
1680	=cut	2334	=cut
1681		2335
1682	sub inv_recursive_;	2336	sub inv_recursive_;
1683	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1686		2340
1687	sub inv_recursive {	2341	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1689	}	2343	}
1690		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1691	package cf;	2373	package cf;
1692		2374
1693	=back	2375	=back
1694		2376
1695	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1701	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1702	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1703	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1704		2386
1705	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1706		2402
1707	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1708	# with dialog boxes.	2404	# with dialog boxes.
1709	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1710	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1712		2408
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2410
1715	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1717	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1720	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1721	}	2436	}
1722		2437
1723	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1724		2439
1725	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1738		2453
1739	=item $player_object->enter_link	2454	=item $player_object->enter_link
1740		2455
1741	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1742		2457
1743	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1744	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1745		2462
1746	Will never block.	2463	Will never block.
1747		2464
1748	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1749		2466
…		…
1772	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1773		2490
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2492
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1778		2495
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2497	}
1781		2498
1782	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1784		2503
1785	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1786		2505
1787	unless ($map) {	2506	unless ($map) {
1788	# restore original map position	2507	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1805		2524
1806	$map->load;	2525	$map->load;
1807	$map->load_diag;	2526	$map->load_neighbours;
1808		2527
1809	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1810	$self->activate_recursive;	2530	$self->activate_recursive;
1811		2531
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1814	}	2534	}
1815		2535
1816	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2537
1820	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1824	};	2542	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2543
1830	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2546
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1851		2550
1852	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2556
1855	$self->enter_link;	2557	$self->enter_link;
1856		2558
1857	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1858	my $map = eval {	2581	my $map = eval {
1859	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1861	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2597	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1866	})->prio (1);	2605	})->prio (1);
1867	}	2606	}
1868		2607
1869	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1870		2609
…		…
1890	}	2629	}
1891		2630
1892	sub prepare_random_map {	2631	sub prepare_random_map {
1893	my ($exit) = @_;	2632	my ($exit) = @_;
1894		2633
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2636	# that depends on the exit object
1900		2637
1901	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2640	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
1908	}	2647	}
1909		2648
1910	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
1911		2650
1912	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
1915		2654
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2657	undef $fh;
1919	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
1920		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
1923	}	2666	}
1924	}	2667	}
1925		2668
1926	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
1928		2671
1929	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
1930		2673
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2674	$self->enter_link;
1941		2675
1942	(async {	2676	(async {
1943	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
1944	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
1945	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
1946		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
1947	1;	2700	1
1948	}) {	2701	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2706
1954	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2708	$self->leave_link;
1956	}	2709	}
1957	})->prio (1);	2710	})->prio (1);
…		…
1970		2723
1971	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1973		2726
1974	utf8::encode $text;	2727	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2729	}
1977		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/uptime" => {
		2809	id => "infobox",
		2810	title => "Uptime",
		2811	reply => undef,
		2812	tooltip => "How long the server has been running since last restart",
		2813	},
		2814	"c/mapinfo" => {
		2815	id => "infobox",
		2816	title => "Map Info",
		2817	reply => undef,
		2818	tooltip => "Information related to the maps",
		2819	},
		2820	"c/party" => {
		2821	id => "party",
		2822	title => "Party",
		2823	reply => "gsay ",
		2824	tooltip => "Messages and chat related to your party",
		2825	},
		2826	"c/death" => {
		2827	id => "death",
		2828	title => "Death",
		2829	reply => undef,
		2830	tooltip => "Reason for and more info about your most recent death",
		2831	},
		2832	"c/say" => $SAY_CHANNEL,
		2833	"c/chat" => $CHAT_CHANNEL,
		2834	);
		2835
		2836	sub cf::client::send_msg {
		2837	my ($self, $channel, $msg, $color, @extra) = @_;
		2838
		2839	$msg = $self->pl->expand_cfpod ($msg)
		2840	unless $color & cf::NDI_VERBATIM;
		2841
		2842	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2843
		2844	# check predefined channels, for the benefit of C
		2845	if ($CHANNEL{$channel}) {
		2846	$channel = $CHANNEL{$channel};
		2847
		2848	$self->ext_msg (channel_info => $channel);
		2849	$channel = $channel->{id};
		2850
		2851	} elsif (ref $channel) {
		2852	# send meta info to client, if not yet sent
		2853	unless (exists $self->{channel}{$channel->{id}}) {
		2854	$self->{channel}{$channel->{id}} = $channel;
		2855	$self->ext_msg (channel_info => $channel);
		2856	}
		2857
		2858	$channel = $channel->{id};
		2859	}
		2860
		2861	return unless @extra || length $msg;
		2862
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	my $pkt = "msg "
		2868	. $self->{json_coder}->encode (
		2869	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2870	);
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if (8192 < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->ext_msg ($type, @msg)
		2886
		2887	Sends an ext event to the client.
		2888
		2889	=cut
		2890
		2891	sub cf::client::ext_msg($$@) {
		2892	my ($self, $type, @msg) = @_;
		2893
		2894	if ($self->extcmd == 2) {
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2896	} elsif ($self->extcmd == 1) { # TODO: remove
		2897	push @msg, msgtype => "event_$type";
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
		2900	}
		2901
		2902	=item $client->ext_reply ($msgid, @msg)
		2903
		2904	Sends an ext reply to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_reply($$@) {
		2909	my ($self, $id, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2913	} elsif ($self->extcmd == 1) {
		2914	#TODO: version 1, remove
		2915	unshift @msg, msgtype => "reply", msgid => $id;
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2917	}
		2918	}
1978		2919
1979	=item $success = $client->query ($flags, "text", \&cb)	2920	=item $success = $client->query ($flags, "text", \&cb)
1980		2921
1981	Queues a query to the client, calling the given callback with	2922	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2923	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2924	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2925
1985	Queries can fail, so check the return code. Or don't, as queries will become	2926	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2927	become reliable at some point in the future.
1987		2928
1988	=cut	2929	=cut
1989		2930
1990	sub cf::client::query {	2931	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2932	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2940	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2941	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2942
2002	$self->send_packet ($self->{query_queue}[0][0])	2943	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2944	if @{ $self->{query_queue} } == 1;
		2945
		2946	1
2004	}	2947	}
2005		2948
2006	cf::client->attach (	2949	cf::client->attach (
		2950	on_connect => sub {
		2951	my ($ns) = @_;
		2952
		2953	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2954	},
2007	on_reply => sub {	2955	on_reply => sub {
2008	my ($ns, $msg) = @_;	2956	my ($ns, $msg) = @_;
2009		2957
2010	# this weird shuffling is so that direct followup queries	2958	# this weird shuffling is so that direct followup queries
2011	# get handled first	2959	# get handled first
…		…
2023	} else {	2971	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2972	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2973	}
2026	}	2974	}
2027	},	2975	},
		2976	on_exticmd => sub {
		2977	my ($ns, $buf) = @_;
		2978
		2979	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2980
		2981	if (ref $msg) {
		2982	my ($type, $reply, @payload) =
		2983	"ARRAY" eq ref $msg
		2984	? @$msg
		2985	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2986
		2987	my @reply;
		2988
		2989	if (my $cb = $EXTICMD{$type}) {
		2990	@reply = $cb->($ns, @payload);
		2991	}
		2992
		2993	$ns->ext_reply ($reply, @reply)
		2994	if $reply;
		2995
		2996	} else {
		2997	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2998	}
		2999
		3000	cf::override;
		3001	},
2028	);	3002	);
2029		3003
2030	=item $client->async (\&cb)	3004	=item $client->async (\&cb)
2031		3005
2032	Create a new coroutine, running the specified callback. The coroutine will	3006	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3047	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3048	our $safe_hole = new Safe::Hole;
2075		3049
2076	$SIG{FPE} = 'IGNORE';	3050	$SIG{FPE} = 'IGNORE';
2077		3051
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3052	$safe->permit_only (Opcode::opset qw(
		3053	:base_core :base_mem :base_orig :base_math
		3054	grepstart grepwhile mapstart mapwhile
		3055	sort time
		3056	));
2079		3057
2080	# here we export the classes and methods available to script code	3058	# here we export the classes and methods available to script code
2081		3059
2082	=pod	3060	=pod
2083		3061
2084	The following fucntions and emthods are available within a safe environment:	3062	The following functions and methods are available within a safe environment:
2085		3063
2086	cf::object contr pay_amount pay_player map	3064	cf::object
		3065	contr pay_amount pay_player map x y force_find force_add destroy
		3066	insert remove name archname title slaying race decrease split
		3067	value
		3068
2087	cf::object::player player	3069	cf::object::player
2088	cf::player peaceful	3070	player
2089	cf::map trigger	3071
		3072	cf::player
		3073	peaceful
		3074
		3075	cf::map
		3076	trigger
2090		3077
2091	=cut	3078	=cut
2092		3079
2093	for (	3080	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3081	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3082	insert remove inv nrof name archname title slaying race
		3083	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3084	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3085	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3086	["cf::map" => qw(trigger)],
2098	) {	3087	) {
2099	no strict 'refs';	3088	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3089	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2118	my ($code, %vars) = @_;	3107	my ($code, %vars) = @_;
2119		3108
2120	my $qcode = $code;	3109	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3110	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3111	$qcode =~ s/\n/\\n/g;
		3112
		3113	%vars = (_dummy => 0) unless %vars;
2123		3114
2124	local $_;	3115	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;	3116	local @safe::cf::_safe_eval_args = values %vars;
2126		3117
2127	my $eval =	3118	my $eval =
…		…
2170	=back	3161	=back
2171		3162
2172	=cut	3163	=cut
2173		3164
2174	#############################################################################	3165	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	3166	# the server's init and main functions
2248		3167
2249	sub init_resources {	3168	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3169	my ($path) = @_;
		3170
		3171	# HACK to clear player env face cache, we need some signal framework
		3172	# for this (global event?)
		3173	%ext::player_env::MUSIC_FACE_CACHE = ();
		3174
		3175	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3176
		3177	warn "loading facedata from $path\n";
		3178
		3179	my $facedata;
		3180	0 < aio_load $path, $facedata
		3181	or die "$path: $!";
		3182
		3183	$facedata = Coro::Storable::thaw $facedata;
		3184
		3185	$facedata->{version} == 2
		3186	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3187
		3188	# patch in the exptable
		3189	$facedata->{resource}{"res/exp_table"} = {
		3190	type => FT_RSRC,
		3191	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3192	};
		3193	cf::cede_to_tick;
		3194
		3195	{
		3196	my $faces = $facedata->{faceinfo};
		3197
		3198	while (my ($face, $info) = each %$faces) {
		3199	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3200
		3201	cf::face::set_visibility $idx, $info->{visibility};
		3202	cf::face::set_magicmap $idx, $info->{magicmap};
		3203	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3204	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3205
		3206	cf::cede_to_tick;
		3207	}
		3208
		3209	while (my ($face, $info) = each %$faces) {
		3210	next unless $info->{smooth};
		3211
		3212	my $idx = cf::face::find $face
		3213	or next;
		3214
		3215	if (my $smooth = cf::face::find $info->{smooth}) {
		3216	cf::face::set_smooth $idx, $smooth;
		3217	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3218	} else {
		3219	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3220	}
		3221
		3222	cf::cede_to_tick;
		3223	}
		3224	}
		3225
		3226	{
		3227	my $anims = $facedata->{animinfo};
		3228
		3229	while (my ($anim, $info) = each %$anims) {
		3230	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3231	cf::cede_to_tick;
		3232	}
		3233
		3234	cf::anim::invalidate_all; # d'oh
		3235	}
		3236
		3237	{
		3238	# TODO: for gcfclient pleasure, we should give resources
		3239	# that gcfclient doesn't grok a >10000 face index.
		3240	my $res = $facedata->{resource};
		3241
		3242	while (my ($name, $info) = each %$res) {
		3243	if (defined $info->{type}) {
		3244	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3245	my $data;
		3246
		3247	if ($info->{type} & 1) {
		3248	# prepend meta info
		3249
		3250	my $meta = $enc->encode ({
		3251	name => $name,
		3252	%{ $info->{meta} || {} },
		3253	});
		3254
		3255	$data = pack "(w/a*)*", $meta, $info->{data};
		3256	} else {
		3257	$data = $info->{data};
		3258	}
		3259
		3260	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3261	cf::face::set_type $idx, $info->{type};
		3262	} else {
		3263	$RESOURCE{$name} = $info;
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3271
		3272	1
		3273	}
		3274
		3275	cf::global->attach (on_resource_update => sub {
		3276	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3277	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3278
		3279	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3280	my $sound = $soundconf->{compat}[$_]
		3281	or next;
		3282
		3283	my $face = cf::face::find "sound/$sound->[1]";
		3284	cf::sound::set $sound->[0] => $face;
		3285	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3286	}
		3287
		3288	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3289	my $face = cf::face::find "sound/$v";
		3290	cf::sound::set $k => $face;
		3291	}
		3292	}
		3293	});
		3294
		3295	register_exticmd fx_want => sub {
		3296	my ($ns, $want) = @_;
		3297
		3298	while (my ($k, $v) = each %$want) {
		3299	$ns->fx_want ($k, $v);
		3300	}
		3301	};
		3302
		3303	sub load_resource_file($) {
		3304	my $guard = lock_acquire "load_resource_file";
		3305
		3306	my $status = load_resource_file_ $_[0];
		3307	get_slot 0.1, 100;
		3308	cf::arch::commit_load;
		3309
		3310	$status
		3311	}
		3312
		3313	sub reload_regions {
		3314	# HACK to clear player env face cache, we need some signal framework
		3315	# for this (global event?)
		3316	%ext::player_env::MUSIC_FACE_CACHE = ();
		3317
		3318	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3319	or die "unable to load regions file\n";
2252	}
2253		3320
2254	sub cfg_load {	3321	for (cf::region::list) {
		3322	$_->{match} = qr/$_->{match}/
		3323	if exists $_->{match};
		3324	}
		3325	}
		3326
		3327	sub reload_facedata {
		3328	load_facedata "$DATADIR/facedata"
		3329	or die "unable to load facedata\n";
		3330	}
		3331
		3332	sub reload_archetypes {
		3333	load_resource_file "$DATADIR/archetypes"
		3334	or die "unable to load archetypes\n";
		3335	}
		3336
		3337	sub reload_treasures {
		3338	load_resource_file "$DATADIR/treasures"
		3339	or die "unable to load treasurelists\n";
		3340	}
		3341
		3342	sub reload_resources {
		3343	warn "reloading resource files...\n";
		3344
		3345	reload_facedata;
		3346	reload_archetypes;
		3347	reload_regions;
		3348	reload_treasures;
		3349
		3350	warn "finished reloading resource files\n";
		3351	}
		3352
		3353	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3355	or return;
2257		3356
2258	local $/;	3357	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2260		3359
2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2262		3361
2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2270	};	3369	};
2271	warn $@ if $@;	3370	warn $@ if $@;
2272	}	3371	}
2273	}	3372	}
2274		3373
2275	sub init {	3374	sub pidfile() {
2276	init_resources;	3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
2277	}	3391	}
2278		3392
2279	sub main {	3393	sub main {
		3394	cf::init_globals; # initialise logging
		3395
		3396	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3397	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3398	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3399	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3400
		3401	cf::init_experience;
		3402	cf::init_anim;
		3403	cf::init_attackmess;
		3404	cf::init_dynamic;
		3405
		3406	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3407
2280	# we must not ever block the main coroutine	3408	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3409	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3410	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3411	(async {
2284	Event::one_event;	3412	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3413	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3414	})->prio (Coro::PRIO_MAX);
2286	};	3415	};
2287		3416
2288	cfg_load;	3417	evthread_start IO::AIO::poll_fileno;
		3418
		3419	cf::sync_job {
		3420	reload_resources;
		3421	reload_config;
2289	db_init;	3422	db_init;
		3423
		3424	cf::load_settings;
		3425	cf::load_materials;
		3426	cf::init_uuid;
		3427	cf::init_signals;
		3428	cf::init_commands;
		3429	cf::init_skills;
		3430
		3431	cf::init_beforeplay;
		3432
		3433	atomic;
		3434
2290	load_extensions;	3435	load_extensions;
2291		3436
2292	$TICK_WATCHER->start;	3437	utime time, time, $RUNTIMEFILE;
		3438
		3439	# no (long-running) fork's whatsoever before this point(!)
		3440	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3441
		3442	(pop @POST_INIT)->(0) while @POST_INIT;
		3443	};
		3444
2293	Event::loop;	3445	EV::loop;
2294	}	3446	}
2295		3447
2296	#############################################################################	3448	#############################################################################
2297	# initialisation and cleanup	3449	# initialisation and cleanup
2298		3450
2299	# install some emergency cleanup handlers	3451	# install some emergency cleanup handlers
2300	BEGIN {	3452	BEGIN {
		3453	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3454	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3456	cf::cleanup "SIG$signal";
2309	},
2310	);	3457	};
		3458	}
		3459	}
		3460
		3461	sub write_runtime_sync {
		3462	# first touch the runtime file to show we are still running:
		3463	# the fsync below can take a very very long time.
		3464
		3465	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3466
		3467	my $guard = cf::lock_acquire "write_runtime";
		3468
		3469	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = $cf::RUNTIME + 90 + 10;
		3473	# 10 is the runtime save interval, for a monotonic clock
		3474	# 60 allows for the watchdog to kill the server.
		3475
		3476	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3477	and return;
		3478
		3479	# always fsync - this file is important
		3480	aio_fsync $fh
		3481	and return;
		3482
		3483	# touch it again to show we are up-to-date
		3484	aio_utime $fh, undef, undef;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3490	and return;
		3491
		3492	warn "runtime file written.\n";
		3493
2311	}	3494	1
		3495	}
		3496
		3497	our $uuid_lock;
		3498	our $uuid_skip;
		3499
		3500	sub write_uuid_sync($) {
		3501	$uuid_skip ||= $_[0];
		3502
		3503	return if $uuid_lock;
		3504	local $uuid_lock = 1;
		3505
		3506	my $uuid = "$LOCALDIR/uuid";
		3507
		3508	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3509	or return;
		3510
		3511	my $value = uuid_seq uuid_cur;
		3512
		3513	unless ($value) {
		3514	warn "cowardly refusing to write zero uuid value!\n";
		3515	return;
		3516	}
		3517
		3518	my $value = uuid_str $value + $uuid_skip;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2312	}	3545	}
2313		3546
2314	sub emergency_save() {	3547	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2316		3549
2317	warn "enter emergency perl save\n";	3550	warn "emergency_perl_save: enter\n";
2318		3551
2319	cf::sync_job {	3552	cf::sync_job {
		3553	# this is a trade-off: we want to be very quick here, so
		3554	# save all maps without fsync, and later call a global sync
		3555	# (which in turn might be very very slow)
		3556	local $USE_FSYNC = 0;
		3557
2320	# use a peculiar iteration method to avoid tripping on perl	3558	# use a peculiar iteration method to avoid tripping on perl
2321	# refcount bugs in for. also avoids problems with players	3559	# refcount bugs in for. also avoids problems with players
2322	# and maps saved/destroyed asynchronously.	3560	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3561	warn "emergency_perl_save: begin player save\n";
2324	for my $login (keys %cf::PLAYER) {	3562	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3563	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3564	$pl->valid or next;
		3565	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3566	$pl->save;
2328	}	3567	}
2329	warn "end emergency player save\n";	3568	warn "emergency_perl_save: end player save\n";
2330		3569
2331	warn "begin emergency map save\n";	3570	warn "emergency_perl_save: begin map save\n";
2332	for my $path (keys %cf::MAP) {	3571	for my $path (keys %cf::MAP) {
2333	my $map = $cf::MAP{$path} or next;	3572	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3573	$map->valid or next;
2335	$map->save;	3574	$map->save;
2336	}	3575	}
2337	warn "end emergency map save\n";	3576	warn "emergency_perl_save: end map save\n";
2338		3577
2339	warn "begin emergency database checkpoint\n";	3578	warn "emergency_perl_save: begin database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3580	warn "emergency_perl_save: end database checkpoint\n";
		3581
		3582	warn "emergency_perl_save: begin write uuid\n";
		3583	write_uuid_sync 1;
		3584	warn "emergency_perl_save: end write uuid\n";
2342	};	3585	};
2343		3586
		3587	warn "emergency_perl_save: starting sync()\n";
		3588	IO::AIO::aio_sync sub {
		3589	warn "emergency_perl_save: finished sync()\n";
		3590	};
		3591
2344	warn "leave emergency perl save\n";	3592	warn "emergency_perl_save: leave\n";
2345	}	3593	}
2346		3594
2347	sub post_cleanup {	3595	sub post_cleanup {
2348	my ($make_core) = @_;	3596	my ($make_core) = @_;
2349		3597
2350	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3599	if $make_core;
2352	}
2353		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
		3629	}
		3630
2354	sub reload() {	3631	sub do_reload_perl() {
2355	# can/must only be called in main	3632	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2358	return;	3635	return;
2359	}	3636	}
2360		3637
		3638	return if $RELOAD++;
		3639
		3640	my $t1 = EV::time;
		3641
		3642	while ($RELOAD) {
2361	warn "reloading...";	3643	warn "reloading...";
2362		3644
2363	warn "entering sync_job";	3645	warn "entering sync_job";
2364		3646
2365	cf::sync_job {	3647	cf::sync_job {
2366	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2367	cf::emergency_save;	3649	cf::emergency_save;
2368	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
2369		3651
2370	warn "syncing database to disk";	3652	warn "syncing database to disk";
2371	BDB::db_env_txn_checkpoint $DB_ENV;	3653	BDB::db_env_txn_checkpoint $DB_ENV;
2372		3654
2373	# if anything goes wrong in here, we should simply crash as we already saved	3655	# if anything goes wrong in here, we should simply crash as we already saved
2374		3656
2375	warn "cancelling all WF_AUTOCANCEL watchers";
2376	for (Event::all_watchers) {
2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2378	}
2379
2380	warn "flushing outstanding aio requests";	3657	warn "flushing outstanding aio requests";
2381	for (;;) {
2382	BDB::flush;
2383	IO::AIO::flush;
2384	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3658	while (IO::AIO::nreqs || BDB::nreqs) {
2386	warn "iterate...";	3659	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	}
2388
2389	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();
2392
2393	warn "removing commands";
2394	%COMMAND = ();
2395
2396	warn "removing ext commands";
2397	%EXTCMD = ();
2398
2399	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";
2402
2403	if (my $cb = $pkg->can ("unload")) {
2404	eval {
2405	$cb->($pkg);
2406	1
2407	} or warn "$pkg unloaded, but with errors: $@";
2408	}	3660	}
2409		3661
2410	warn "... nuking $pkg";	3662	warn "cancelling all extension coros";
2411	Symbol::delete_package $pkg;	3663	$_->cancel for values %EXT_CORO;
2412	}	3664	%EXT_CORO = ();
2413		3665
2414	warn "unloading all perl modules loaded from $LIBDIR";	3666	warn "removing commands";
2415	while (my ($k, $v) = each %INC) {	3667	%COMMAND = ();
2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2417		3668
		3669	warn "removing ext/exti commands";
		3670	%EXTCMD = ();
		3671	%EXTICMD = ();
		3672
		3673	warn "unloading/nuking all extensions";
		3674	for my $pkg (@EXTS) {
2418	warn "... unloading $k";	3675	warn "... unloading $pkg";
2419	delete $INC{$k};
2420		3676
2421	$k =~ s/\.pm$//;
2422	$k =~ s/\//::/g;
2423
2424	if (my $cb = $k->can ("unload_module")) {	3677	if (my $cb = $pkg->can ("unload")) {
		3678	eval {
2425	$cb->();	3679	$cb->($pkg);
		3680	1
		3681	} or warn "$pkg unloaded, but with errors: $@";
		3682	}
		3683
		3684	warn "... clearing $pkg";
		3685	clear_package $pkg;
2426	}	3686	}
2427		3687
2428	Symbol::delete_package $k;	3688	warn "unloading all perl modules loaded from $LIBDIR";
		3689	while (my ($k, $v) = each %INC) {
		3690	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3691
		3692	warn "... unloading $k";
		3693	delete $INC{$k};
		3694
		3695	$k =~ s/\.pm$//;
		3696	$k =~ s/\//::/g;
		3697
		3698	if (my $cb = $k->can ("unload_module")) {
		3699	$cb->();
		3700	}
		3701
		3702	clear_package $k;
2429	}	3703	}
2430		3704
2431	warn "getting rid of safe::, as good as possible";	3705	warn "getting rid of safe::, as good as possible";
2432	Symbol::delete_package "safe::$_"	3706	clear_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3707	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3708
2435	warn "unloading cf.pm \"a bit\"";	3709	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3710	delete $INC{"cf.pm"};
		3711	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2437		3712
2438	# don't, removes xs symbols, too,	3713	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3714	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3715	#clear_package __PACKAGE__;
2441		3716
2442	warn "unload completed, starting to reload now";	3717	warn "unload completed, starting to reload now";
2443		3718
2444	warn "reloading cf.pm";	3719	warn "reloading cf.pm";
2445	require cf;	3720	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3721	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3722
2448	warn "loading config and database again";	3723	warn "loading config and database again";
2449	cf::cfg_load;	3724	cf::reload_config;
2450		3725
2451	warn "loading extensions";	3726	warn "loading extensions";
2452	cf::load_extensions;	3727	cf::load_extensions;
2453		3728
		3729	if ($REATTACH_ON_RELOAD) {
2454	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3731	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
		3734	warn "reattaching attachments to players";
		3735	reattach $_ for values %PLAYER;
		3736	}
2458		3737
2459	warn "loading reloadable resources";	3738	warn "running post_init jobs";
2460	init_resources;	3739	(pop @POST_INIT)->(1) while @POST_INIT;
2461		3740
2462	warn "leaving sync_job";	3741	warn "leaving sync_job";
2463		3742
2464	1	3743	1
2465	} or do {	3744	} or do {
2466	warn $@;	3745	warn $@;
2467	warn "error while reloading, exiting.";	3746	cf::cleanup "error while reloading, exiting.";
2468	exit 1;	3747	};
		3748
		3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752
		3753	$t1 = EV::time - $t1;
		3754	warn "reload completed in ${t1}s\n";
		3755	};
		3756
		3757	our $RELOAD_WATCHER; # used only during reload
		3758
		3759	sub reload_perl() {
		3760	# doing reload synchronously and two reloads happen back-to-back,
		3761	# coro crashes during coro_state_free->destroy here.
		3762
		3763	$RELOAD_WATCHER ||= cf::async {
		3764	Coro::AIO::aio_wait cache_extensions;
		3765
		3766	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3767	do_reload_perl;
		3768	undef $RELOAD_WATCHER;
		3769	};
2469	};	3770	};
2470		3771	}
2471	warn "reloaded";
2472	};
2473
2474	our $RELOAD_WATCHER; # used only during reload
2475		3772
2476	register_command "reload" => sub {	3773	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3774	my ($who, $arg) = @_;
2478		3775
2479	if ($who->flag (FLAG_WIZ)) {	3776	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3777	$who->message ("reloading server.");
2481		3778	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3779	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3780	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3781	};
2494	}	3782	}
2495	};	3783	};
2496		3784
2497	unshift @INC, $LIBDIR;	3785	unshift @INC, $LIBDIR;
2498		3786
2499	my $bug_warning = 0;	3787	my $bug_warning = 0;
2500		3788
2501	$TICK_WATCHER = Event->timer (	3789	our @WAIT_FOR_TICK;
2502	reentrant => 0,	3790	our @WAIT_FOR_TICK_BEGIN;
2503	parked => 1,	3791
2504	prio => 0,	3792	sub wait_for_tick {
2505	at => $NEXT_TICK || $TICK,	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2506	data => WF_AUTOCANCEL,	3794
2507	cb => sub {	3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub wait_for_tick_begin {
		3801	return if tick_inhibit || $Coro::current == $Coro::main;
		3802
		3803	my $signal = new Coro::Signal;
		3804	push @WAIT_FOR_TICK_BEGIN, $signal;
		3805	$signal->wait;
		3806	}
		3807
		3808	sub tick {
2508	if ($Coro::current != $Coro::main) {	3809	if ($Coro::current != $Coro::main) {
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3810	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3811	unless ++$bug_warning > 10;
2511	return;	3812	return;
2512	}	3813	}
2513		3814
2514	$NOW = Event::time;
2515
2516	cf::server_tick; # one server iteration	3815	cf::server_tick; # one server iteration
2517	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;
2519		3816
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3817	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3818	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522	Coro::async_pool {	3819	Coro::async_pool {
		3820	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3821	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3822	or warn "ERROR: unable to write runtime file: $!";
2525	};
2526	}	3823	};
2527
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	3824	}
2540	);	3825
		3826	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3827	$sig->send;
		3828	}
		3829	while (my $sig = shift @WAIT_FOR_TICK) {
		3830	$sig->send;
		3831	}
		3832
		3833	$LOAD = ($NOW - $TICK_START) / $TICK;
		3834	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3835
		3836	if (0) {
		3837	if ($NEXT_TICK) {
		3838	my $jitter = $TICK_START - $NEXT_TICK;
		3839	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3840	warn "jitter $JITTER\n";#d#
		3841	}
		3842	}
		3843	}
2541		3844
2542	{	3845	{
2543	BDB::max_poll_time $TICK * 0.1;	3846	# configure BDB
2544	$BDB_POLL_WATCHER = Event->io (	3847
2545	reentrant => 0,
2546	fd => BDB::poll_fileno,
2547	poll => 'r',
2548	prio => 0,
2549	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,
2551	);
2552	BDB::min_parallel 8;	3848	BDB::min_parallel 8;
2553		3849	BDB::max_poll_reqs $TICK * 0.1;
2554	BDB::set_sync_prepare {	3850	$AnyEvent::BDB::WATCHER->priority (1);
2555	my $status;
2556	my $current = $Coro::current;
2557	(
2558	sub {
2559	$status = $!;
2560	$current->ready; undef $current;
2561	},
2562	sub {
2563	Coro::schedule while defined $current;
2564	$! = $status;
2565	},
2566	)
2567	};
2568		3851
2569	unless ($DB_ENV) {	3852	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3853	$DB_ENV = BDB::db_env_create;
		3854	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3855	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3856	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3857	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3858	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3859
2572	cf::sync_job {	3860	cf::sync_job {
2573	eval {	3861	eval {
2574	BDB::db_env_open	3862	BDB::db_env_open
2575	$DB_ENV,	3863	$DB_ENV,
2576	$BDB_ENV_DIR,	3864	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3865	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3866	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3867	0666;
2580		3868
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3869	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3870	};
2586		3871
2587	cf::cleanup "db_env_open(db): $@" if $@;	3872	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3873	};
2589	}	3874	}
		3875
		3876	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3877	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3878	};
		3879	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3880	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3881	};
		3882	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3883	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3884	};
2590	}	3885	}
2591		3886
2592	{	3887	{
		3888	# configure IO::AIO
		3889
2593	IO::AIO::min_parallel 8;	3890	IO::AIO::min_parallel 8;
2594
2595	undef $Coro::AIO::WATCHER;
2596	IO::AIO::max_poll_time $TICK * 0.1;	3891	IO::AIO::max_poll_time $TICK * 0.1;
2597	$AIO_POLL_WATCHER = Event->io (	3892	undef $AnyEvent::AIO::WATCHER;
2598	reentrant => 0,
2599	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	cb => \&IO::AIO::poll_cb,
2604	);
2605	}	3893	}
		3894
		3895	my $_log_backtrace;
		3896
		3897	sub _log_backtrace {
		3898	my ($msg, @addr) = @_;
		3899
		3900	$msg =~ s/\n//;
		3901
		3902	# limit the # of concurrent backtraces
		3903	if ($_log_backtrace < 2) {
		3904	++$_log_backtrace;
		3905	my $perl_bt = Carp::longmess $msg;
		3906	async {
		3907	$Coro::current->{desc} = "abt $msg";
		3908
		3909	my @bt = fork_call {
		3910	@addr = map { sprintf "%x", $_ } @addr;
		3911	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3912	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3913	or die "addr2line: $!";
		3914
		3915	my @funcs;
		3916	my @res = <$fh>;
		3917	chomp for @res;
		3918	while (@res) {
		3919	my ($func, $line) = splice @res, 0, 2, ();
		3920	push @funcs, "[$func] $line";
		3921	}
		3922
		3923	@funcs
		3924	};
		3925
		3926	LOG llevInfo, "[ABT] $perl_bt\n";
		3927	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3928	LOG llevInfo, "[ABT] $_\n" for @bt;
		3929	--$_log_backtrace;
		3930	};
		3931	} else {
		3932	LOG llevInfo, "[ABT] $msg\n";
		3933	LOG llevInfo, "[ABT] [suppressed]\n";
		3934	}
		3935	}
		3936
		3937	# load additional modules
		3938	require "cf/$_.pm" for @EXTRA_MODULES;
2606		3939
2607	END { cf::emergency_save }	3940	END { cf::emergency_save }
2608		3941
2609	1	3942	1
2610		3943

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