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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 1.450 by root, Mon Sep 22 01:33:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
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	75	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		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
		86	our $RELOAD; # number of reloads so far
48	our @EVENT;	87	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		88
51	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	90	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	107	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	113	our $DB_ENV;
61		114
62	our %CFG;	115	our %CFG;
63		116
64	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
66		120
67	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	123	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		124
76	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
79	binmode STDOUT;	133	binmode STDOUT;
80	binmode STDERR;	134	binmode STDERR;
81		135
82	# read virtual server time, if available	136	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
87	}	141	}
88		142
89	mkdir cf::localdir;	143	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		145
96	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
97		147
98	sub cf::map::normalise;	148	sub cf::map::normalise;
99		149
…		…
110	=item $cf::RUNTIME	160	=item $cf::RUNTIME
111		161
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	163	every server tick.
114		164
115	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		168
117	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
119		173
120	=item $cf::NOW	174	=item $cf::NOW
121		175
122	The time of the last (current) server tick.	176	The time of the last (current) server tick.
123		177
124	=item $cf::TICK	178	=item $cf::TICK
125		179
126	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
127		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
128	=item %cf::CFG	192	=item %cf::CFG
129		193
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	195	from wherever your confdir points to.
132		196
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		198
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	199	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	200	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	201	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.	202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
139		208
140	=back	209	=back
141		210
142	=cut	211	=cut
143		212
144	BEGIN {	213	BEGIN {
145	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	215	my $msg = join "", @_;
147	utf8::encode $msg;
148		216
149	$msg .= "\n"	217	$msg .= "\n"
150	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
151		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
152	LOG llevError, $msg;	222	LOG llevError, $msg;
153	};	223	};
154	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
155		240
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		248
163	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	250	# within the Safe compartment.
165	for my $pkg (qw(	251	for my $pkg (qw(
166	cf::global cf::attachable	252	cf::global cf::attachable
167	cf::object cf::object::player	253	cf::object cf::object::player
168	cf::client cf::player	254	cf::client cf::player
169	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
170	cf::map cf::party cf::region	257	cf::party cf::region
171	)) {	258	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	260	}
175		261
176	$Event::DIED = sub {	262	$EV::DIED = sub {
177	warn "error in event callback: @_";	263	warn "error in event callback: @_";
178	};	264	};
		265
		266	#############################################################################
179		267
180	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
181		269
182	=over 4	270	=over 4
183		271
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	291	$d
204	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
205	}	293	}
206		294
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
210		296
211	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
212		298
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
221		300
222	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
223		302
224	=cut	303	=cut
225		304
226	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
228	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
230		309
231	=item cf::lock_wait $string	310	=item cf::lock_wait $string
232		311
233	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
234		313
…		…
237	Wait until the given lock is available and then acquires it and returns	316	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,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
240	returned.	319	returned.
241		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
242	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
244		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
245	=cut	331	=cut
246		332
247	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
248		335
249	sub lock_wait($) {	336	sub lock_wait($) {
250	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
251		343
252	# wait for lock, if any	344	# wait for lock, if any
253	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	347	Coro::schedule;
…		…
261		353
262	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
263	lock_wait $key;	355	lock_wait $key;
264		356
265	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
266		359
267	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
270	}	364	}
271	}	365	}
272		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
273	sub freeze_mainloop {	373	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
275		375
276	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
278	};	437	}
279	$TICK_WATCHER->stop;	438	};
280	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
281	}	452	}
282		453
283	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
284		455
285	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		461
291	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
292		463
293	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
294		465
295	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
298		470
299	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
302	fast or be very important.	474	fast or be very important.
…		…
305		477
306	sub sync_job(&) {	478	sub sync_job(&) {
307	my ($job) = @_;	479	my ($job) = @_;
308		480
309	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
310	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
312		486
313	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	488
315	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
316		490
317	my $busy = 1;	491	my $busy = 1;
318	my @res;	492	my @res;
319		493
320	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	496	@res = eval { $job->() };
322	warn $@ if $@;	497	warn $@ if $@;
323	undef $busy;	498	undef $busy;
324	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
325		500
326	while ($busy) {	501	while ($busy) {
327	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
328	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
329		512
330	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
331	} else {	514	} else {
332	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
333		516
…		…
353	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
354		537
355	$coro	538	$coro
356	}	539	}
357		540
358	sub write_runtime {	541	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		542
361	my $runtime = cf::localdir . "/runtime";	543	Executes the given code block with the given arguments in a seperate
		544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
362		547
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
364	or return;
365		549
366	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		552
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
371	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
372		556
373	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	558	reset_signals;
375	and return;	559	&$cb
		560	}, @args;
376		561
377	close $fh	562	wantarray ? @res : $res[-1]
378	or return;	563	}
379		564
380	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
381	and return;
382		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
383	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
		717	}
		718
		719	=item cf::datalog type => key => value, ...
		720
		721	Log a datalog packet of the given type with the given key-value pairs.
		722
		723	=cut
		724
		725	sub datalog($@) {
		726	my ($type, %kv) = @_;
		727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	728	}
385		729
386	=back	730	=back
387		731
388	=cut	732	=cut
389		733
390	#############################################################################	734	#############################################################################
391		735
392	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
393		737
394	Many objects in crossfire are so-called attachable objects. That means you can	738	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")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
397		741
398	In the following description, CLASS can be any of C<global>, C<object>	742	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	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	744	Deliantra).
401		745
402	=over 4	746	=over 4
403		747
404	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
405		749
…		…
449	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
450		794
451	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
453		797
454	Some classes such as crossfire maps and objects can specify attachments	798	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.	799	that are attached at load/instantiate time, thus the need for a name.
456		800
457	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
458		802
459	=over 4	803	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
569		913
570	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		918
575	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	920	my $pkg = shift @arg;
577		921
578	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
608	}	952	}
609		953
610	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
611	} else {	955	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	957	}
614		958
615	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
616	}	960	}
617		961
…		…
619	if (ref $_[0]) {	963	if (ref $_[0]) {
620	_object_attach @_;	964	_object_attach @_;
621	} else {	965	} else {
622	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
623	}	967	}
		968	_recalc_want;
624	};	969	};
625		970
626	# all those should be optimised	971	# all those should be optimised
627	sub cf::attachable::detach {	972	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
632	reattach ($obj);	977	reattach ($obj);
633	} else {	978	} else {
634	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
635	}	980	}
		981	_recalc_want;
636	};	982	};
637		983
638	sub cf::attachable::attached {	984	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
640		986
…		…
655	";	1001	";
656	die if $@;	1002	die if $@;
657	}	1003	}
658		1004
659	our $override;	1005	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1007
662	sub override {	1008	sub override {
663	$override = 1;	1009	$override = 1;
664	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
665	}	1011	}
666		1012
667	sub do_invoke {	1013	sub do_invoke {
668	my $event = shift;	1014	my $event = shift;
669	my $callbacks = shift;	1015	my $callbacks = shift;
670		1016
671	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
672		1018
673	local $override;	1019	local $override;
674		1020
675	for (@$callbacks) {	1021	for (@$callbacks) {
676	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
685	}	1031	}
686		1032
687	0	1033	0
688	}	1034	}
689		1035
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1037
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1039
694	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
695		1041
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	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	1043	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1045
700	=back	1046	=back
701		1047
702	=cut	1048	=cut
703		1049
704	#############################################################################	1050	#############################################################################
705	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
706		1094
707	sub reattach {	1095	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1097	my ($obj) = @_;
710		1098
		1099	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1101
713	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
714		1103
715	@$registry = ();	1104	@$registry = ();
716		1105
…		…
731	cf::attachable->attach (	1120	cf::attachable->attach (
732	prio => -1000000,	1121	prio => -1000000,
733	on_instantiate => sub {	1122	on_instantiate => sub {
734	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
735		1124
736	$data = from_json $data;	1125	$data = decode_json $data;
737		1126
738	for (@$data) {	1127	for (@$data) {
739	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
740		1129
741	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1146	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
759		1148
760	sync_job {	1149	sync_job {
761	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
764		1154
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1159	aio_close $fh;
770		1160
771	if (@$objs) {	1161	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1167	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
779	}	1169	}
780	} else {	1170	} else {
781	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
782	}	1172	}
…		…
787	}	1177	}
788	} else {	1178	} else {
789	aio_unlink $filename;	1179	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
791	}	1181	}
792	}	1182	};
793	}	1183	}
794		1184
795	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
797		1187
…		…
809	or return;	1199	or return;
810		1200
811	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
813	or return;	1203	or return;
		1204
814	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
815	}	1207	}
816		1208
		1209	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
819	return ($data, $av);	1213	($data, $av)
820	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
821		1221
822	#############################################################################	1222	#############################################################################
823	# command handling &c	1223	# command handling &c
824		1224
825	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1239	}
840		1240
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1242
843	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
844		1248
845	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
846	called.	1250	called.
847		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
848	=cut	1263	=cut
849		1264
850	sub register_extcmd {	1265	sub register_extcmd {
851	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
852		1267
853	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
854	}	1275	}
855		1276
856	cf::player->attach (	1277	cf::player->attach (
857	on_command => sub {	1278	on_command => sub {
858	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1288	cf::override;
868	},	1289	},
869	on_extcmd => sub {	1290	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
871		1292
872	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1294
874	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
880	} else {	1310	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1312	}
883		1313
884	cf::override;	1314	cf::override;
885	},	1315	},
886	);	1316	);
887		1317
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
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	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
923	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1323	next unless -r $path;
925	eval {	1324
926	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
927	1	1381	}
928	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
929	}	1387	};
930	}	1388	}
931		1389
932	#############################################################################	1390	#############################################################################
933		1391
		1392	=back
		1393
934	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
935		1395
936	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
937		1397
938	=cut	1398	=cut
939		1399
940	package cf::player;	1400	package cf::player;
941		1401
…		…
943		1403
944	=head3 cf::player	1404	=head3 cf::player
945		1405
946	=over 4	1406	=over 4
947		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
948	=item cf::player::find $login	1422	=item cf::player::find $login
949		1423
950	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
951		1425
952	=cut	1426	=cut
953		1427
954	sub playerdir($) {	1428	sub playerdir($) {
955	cf::localdir	1429	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1431	}
961		1432
962	sub path($) {	1433	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1435
965	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
966	}	1437	}
967		1438
968	sub find_active($) {	1439	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1454	my $login = $_[0];
984		1455
985	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
986		1457
987	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1459	# rename old playerfiles to new ones
		1460	#TODO: remove when no longer required
		1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1464	aio_unlink +(playerdir $login) . "/$login.pl";
		1465
		1466	my $f = new_from_file cf::object::thawer path $login
989	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
991	}	1475	}
992	}	1476	}
993	}	1477	}
994		1478
…		…
1003	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1004		1488
1005	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1007		1491
		1492	cf::get_slot 0.01;
		1493
1008	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1009	Coro::cede;	1495	cf::cede_to_tick;
1010	}	1496	}
1011		1497
1012	sub new($) {	1498	sub new($) {
1013	my ($login) = @_;	1499	my ($login) = @_;
1014		1500
…		…
1020	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1021		1507
1022	$self	1508	$self
1023	}	1509	}
1024		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1025	=item $pl->quit_character	1521	=item $pl->quit_character
1026		1522
1027	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1029		1525
1030	=cut	1526	=cut
1031		1527
1032	sub quit_character {	1528	sub quit_character {
1033	my ($pl) = @_;	1529	my ($pl) = @_;
1034		1530
		1531	my $name = $pl->ob->name;
		1532
1035	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1535
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1042		1542
1043	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1545	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1546	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1547	$pl->destroy;
		1548
		1549	my $prefix = qr<^~\Q$name\E/>;
		1550
		1551	# nuke player maps
		1552	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1553
1048	IO::AIO::aio_rmtree $temp;	1554	IO::AIO::aio_rmtree $temp;
		1555	}
		1556
		1557	=item $pl->kick
		1558
		1559	Kicks a player out of the game. This destroys the connection.
		1560
		1561	=cut
		1562
		1563	sub kick {
		1564	my ($pl, $kicker) = @_;
		1565
		1566	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1567	$pl->killer ("kicked");
		1568	$pl->ns->destroy;
1049	}	1569	}
1050		1570
1051	=item cf::player::list_logins	1571	=item cf::player::list_logins
1052		1572
1053	Returns am arrayref of all valid playernames in the system, can take a	1573	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1055		1575
1056	=cut	1576	=cut
1057		1577
1058	sub list_logins {	1578	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1580	or return [];
1061		1581
1062	my @logins;	1582	my @logins;
1063		1583
1064	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1068		1594
1069	utf8::decode $login;	1595	utf8::decode $login;
1070	push @logins, $login;	1596	push @logins, $login;
1071	}	1597	}
1072		1598
…		…
1099	}	1625	}
1100		1626
1101	\@paths	1627	\@paths
1102	}	1628	}
1103		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1105		1635
1106	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1107		1637
1108	=cut	1638	=cut
1109		1639
1110	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1112		1642
1113	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1644	}
1117		1645
1118	package cf;	1646	=item $player->ext_msg ($type, @msg)
		1647
		1648	Sends an ext event to the client.
		1649
		1650	=cut
		1651
		1652	sub ext_msg($$@) {
		1653	my ($self, $type, @msg) = @_;
		1654
		1655	$self->ns->ext_msg ($type, @msg);
		1656	}
		1657
		1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1119		1686
1120	=back	1687	=back
1121
1122		1688
1123	=head3 cf::map	1689	=head3 cf::map
1124		1690
1125	=over 4	1691	=over 4
1126		1692
…		…
1138	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1140		1706
1141	sub generate_random_map {	1707	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1143	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1713	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1182		1751
1183	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1184	local $self->{path};	1753	local $self->{path};
1185	local $self->{load_path};	1754	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1755
1189	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1190	}	1757	}
1191		1758
1192	sub normalise {	1759	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1240	return $self;	1807	return $self;
1241	}	1808	}
1242	}	1809	}
1243		1810
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1812	()
1246	}	1813	}
1247		1814
1248	sub init {	1815	sub init {
1249	my ($self) = @_;	1816	my ($self) = @_;
…		…
1264		1831
1265	# the original (read-only) location	1832	# the original (read-only) location
1266	sub load_path {	1833	sub load_path {
1267	my ($self) = @_;	1834	my ($self) = @_;
1268		1835
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1270	}	1837	}
1271		1838
1272	# the temporary/swap location	1839	# the temporary/swap location
1273	sub save_path {	1840	sub save_path {
1274	my ($self) = @_;	1841	my ($self) = @_;
1275		1842
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1278	}	1845	}
1279		1846
1280	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1281	sub uniq_path {	1848	sub uniq_path {
1282	my ($self) = @_;	1849	my ($self) = @_;
1283		1850
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1286	}	1853	}
1287		1854
1288	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1289	# all maps in C++...	1856	# all maps in C++...
1290	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1292		1859
1293	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1295	}	1862	}
1296		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1297	sub unlink_save {	1872	sub unlink_save {
1298	my ($self) = @_;	1873	my ($self) = @_;
1299		1874
1300	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1879
1305	sub load_header_from($) {	1880	sub load_header_from($) {
1306	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1307		1882
1308	utf8::encode $path;	1883	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1314		1892
1315	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1316		1894
1317	1	1895	1
1318	}	1896	}
…		…
1357	$self->load_header_orig	1935	$self->load_header_orig
1358	or return;	1936	or return;
1359	$self->prepare_orig;	1937	$self->prepare_orig;
1360	}	1938	}
1361		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1362	1	1946	1
1363	}	1947	}
1364		1948
1365	sub find;	1949	sub find;
1366	sub find {	1950	sub find {
1367	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1368		1952
1369	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1370		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1372		1957
1373	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1374	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1375	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1376	or return;	1963	or return;
1377		1964
1378	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1379		1966
1380	$map->load_header	1967	$map->load_header
1381	or return;	1968	or return;
1382		1969
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1386	$map->reset;	1975	$map->reset;
1387	undef $guard;
1388	return find $path;	1976	return find $path;
1389	}	1977	}
1390		1978
1391	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1392	}	1980	}
…		…
1399	my ($self) = @_;	1987	my ($self) = @_;
1400		1988
1401	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1402		1990
1403	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1405		1995
		1996	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1998
1408	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1409		2000
1410	$self->alloc;	2001	$self->alloc;
1411		2002
1412	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1413		2005
1414	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1415	or return;	2009	or return;
1416		2010
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1418	if delete $self->{load_original};	2012	if delete $self->{load_original};
1419		2013
1420	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	2015	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	2018	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1425	}	2022	}
1426	}	2023	}
1427		2024
1428	Coro::cede;	2025	$f->resolve_delayed_derefs;
1429		2026
		2027	cf::cede_to_tick;
1430	# now do the right thing for maps	2028	# now do the right thing for maps
1431	$self->link_multipart_objects;	2029	$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)	2030	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	2031	unless $self->difficulty;
1441	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1442	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1443	}	2048	}
1444		2049
1445	$self->post_load;	2050	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2051	}
1449		2052
1450	sub customise_for {	2053	sub customise_for {
1451	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1452		2055
1453	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2057	if $self->per_player;
1455		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1456	$self	2062	$self
1457	}	2063	}
1458		2064
1459	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	2066	sub load_neighbours {
1461	my ($map) = @_;	2067	my ($map) = @_;
1462		2068
1463	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1464		2070
1465	for (0 .. 3) {	2071	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1467	or next;	2073	or next;
1468	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1469	or next;	2075	or next;
1470	$neigh->load;	2076	$neigh->load;
1471		2077
		2078	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2081	}
1475		2082
1476	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1478	or next;	2086	or next;
1479	$neigh->load;	2087	$neigh->load;
1480	}	2088	}
1481	}	2089	}
1482		2090
…		…
1487	}	2095	}
1488		2096
1489	sub do_load_sync {	2097	sub do_load_sync {
1490	my ($map) = @_;	2098	my ($map) = @_;
1491		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1492	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1493	}	2104	}
1494		2105
1495	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1497		2108
1498	sub find_async {	2109	sub find_async {
1499	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1500		2111
1501	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1502		2113
1503	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505	}	2116	}
1506		2117
1507	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1508	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1509	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2125	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2126	$map->load if $v;
		2127	}
1514		2128
1515	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1516	}	2130	}
1517	}	2131	}
1518	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1519	};	2133	};
1520	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2137	}
1524		2138
1525	sub save {	2139	sub save {
1526	my ($self) = @_;	2140	my ($self) = @_;
1527		2141
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2143
1530	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1531		2145
1532	return unless $self->dirty;	2146	return unless $self->dirty;
1533		2147
…		…
1539	return if $self->{deny_save};	2153	return if $self->{deny_save};
1540		2154
1541	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1542		2156
1543	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1545	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1546		2163
1547	if ($uniq) {	2164	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1550	} else {	2167	} else {
…		…
1556	my ($self) = @_;	2173	my ($self) = @_;
1557		2174
1558	# save first because save cedes	2175	# save first because save cedes
1559	$self->save;	2176	$self->save;
1560		2177
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2179
1563	return if $self->players;	2180	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1565	return if $self->{deny_save};	2182	return if $self->{deny_save};
1566		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2188	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2189	}
1570		2190
1571	sub reset_at {	2191	sub reset_at {
1572	my ($self) = @_;	2192	my ($self) = @_;
1573		2193
1574	# TODO: safety, remove and allow resettable per-player maps	2194	# 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};	2195	return 1e99 if $self->{deny_reset};
1577		2196
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2199
…		…
1591	my ($self) = @_;	2210	my ($self) = @_;
1592		2211
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2213
1595	return if $self->players;	2214	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2215
1598	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1599		2217
1600	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1601		2219
1602	# need to save uniques path	2220	# need to save uniques path
1603	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2225	if $uniq;
1608	}	2226	}
1609		2227
1610	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1611		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2232	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2233
1616	$self->unlink_save;	2234	$self->unlink_save;
1617	$self->destroy;	2235	$self->destroy;
1618	}	2236	}
1619		2237
1620	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1621		2239
1622	sub nuke {	2240	sub nuke {
1623	my ($self) = @_;	2241	my ($self) = @_;
1624		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1625	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1626		2247
1627	$self->unlink_save;	2248	$self->unlink_save;
1628		2249
1629	bless $self, "cf::map";	2250	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2255
1635	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1636		2258
1637	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1638	}	2296	}
1639		2297
1640	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1641		2299
1642	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2301	instantiated unique items. May block.
1644		2302
1645	=cut	2303	=cut
1646		2304
1647	sub unique_maps() {	2305	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1649	or return;	2307	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2308	utf8::decode $_;
1655	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1656	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657		2311	? ()
1658	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2314	]
1660
1661	\@paths
1662	}	2315	}
1663
1664	package cf;
1665		2316
1666	=back	2317	=back
1667		2318
1668	=head3 cf::object	2319	=head3 cf::object
1669		2320
…		…
1673		2324
1674	=over 4	2325	=over 4
1675		2326
1676	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1677		2328
1678	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1679		2331
1680	=cut	2332	=cut
1681		2333
1682	sub inv_recursive_;	2334	sub inv_recursive_;
1683	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1686		2338
1687	sub inv_recursive {	2339	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1689	}	2341	}
1690		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1691	package cf;	2371	package cf;
1692		2372
1693	=back	2373	=back
1694		2374
1695	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1701	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	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	2382	can be C<undef>. Does the right thing when the player is currently in a
1703	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1704		2384
1705	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1706		2400
1707	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1708	# with dialog boxes.	2402	# with dialog boxes.
1709	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1710	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1712		2406
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2408
1715	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1717	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1720	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1721	}	2434	}
1722		2435
1723	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1724		2437
1725	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1738		2451
1739	=item $player_object->enter_link	2452	=item $player_object->enter_link
1740		2453
1741	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1742		2455
1743	The player should be reasonably safe there for short amounts of time. You	2456	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.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1745		2460
1746	Will never block.	2461	Will never block.
1747		2462
1748	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1749		2464
…		…
1772	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1773		2488
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2490
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1778		2493
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2495	}
1781		2496
1782	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1784		2501
1785	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1786		2503
1787	unless ($map) {	2504	unless ($map) {
1788	# restore original map position	2505	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1805		2522
1806	$map->load;	2523	$map->load;
1807	$map->load_diag;	2524	$map->load_neighbours;
1808		2525
1809	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1810	$self->activate_recursive;	2528	$self->activate_recursive;
1811		2529
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1814	}	2532	}
1815		2533
1816	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2535
1820	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1824	};	2540	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2541
1830	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1832	if ($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		2544
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1851		2548
1852	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2554
1855	$self->enter_link;	2555	$self->enter_link;
1856		2556
1857	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1858	my $map = eval {	2579	my $map = eval {
1859	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1861	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2595	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1866	})->prio (1);	2603	})->prio (1);
1867	}	2604	}
1868		2605
1869	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1870		2607
…		…
1890	}	2627	}
1891		2628
1892	sub prepare_random_map {	2629	sub prepare_random_map {
1893	my ($exit) = @_;	2630	my ($exit) = @_;
1894		2631
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2634	# that depends on the exit object
1900		2635
1901	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2638	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1908	}	2645	}
1909		2646
1910	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1911		2648
1912	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1915		2652
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2655	undef $fh;
1919	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1920		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1923	}	2664	}
1924	}	2665	}
1925		2666
1926	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1928		2669
1929	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1930		2671
1931	if ($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;	2672	$self->enter_link;
1941		2673
1942	(async {	2674	(async {
1943	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1944	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1945	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1946		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1947	1;	2698	1
1948	}) {	2699	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2704
1954	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2706	$self->leave_link;
1956	}	2707	}
1957	})->prio (1);	2708	})->prio (1);
…		…
1970		2721
1971	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1973		2724
1974	utf8::encode $text;	2725	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2727	}
1977		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
		2880	=item $client->ext_msg ($type, @msg)
		2881
		2882	Sends an ext event to the client.
		2883
		2884	=cut
		2885
		2886	sub cf::client::ext_msg($$@) {
		2887	my ($self, $type, @msg) = @_;
		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
		2892	push @msg, msgtype => "event_$type";
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
		2913	}
1978		2914
1979	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
1980		2916
1981	Queues a query to the client, calling the given callback with	2917	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>,	2918	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>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2920
1985	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2922	become reliable at some point in the future.
1987		2923
1988	=cut	2924	=cut
1989		2925
1990	sub cf::client::query {	2926	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2935	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2937
2002	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2004	}	2942	}
2005		2943
2006	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2007	on_reply => sub {	2950	on_reply => sub {
2008	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2009		2952
2010	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2011	# get handled first	2954	# get handled first
…		…
2023	} else {	2966	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2968	}
2026	}	2969	}
2027	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2028	);	2997	);
2029		2998
2030	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2031		3000
2032	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2075		3044
2076	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2077		3046
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2079		3052
2080	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2081		3054
2082	=pod	3055	=pod
2083		3056
2084	The following fucntions and emthods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2085		3058
2086	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2087	cf::object::player player	3063	cf::object::player
2088	cf::player peaceful	3064	player
2089	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2090		3071
2091	=cut	3072	=cut
2092		3073
2093	for (	3074	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2098	) {	3081	) {
2099	no strict 'refs';	3082	no strict 'refs';
…		…
2170	=back	3153	=back
2171		3154
2172	=cut	3155	=cut
2173		3156
2174	#############################################################################	3157	#############################################################################
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 $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	3158	# the server's init and main functions
2248		3159
2249	sub init_resources {	3160	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
		3169	warn "loading facedata from $path\n";
		3170
		3171	my $facedata;
		3172	0 < aio_load $path, $facedata
		3173	or die "$path: $!";
		3174
		3175	$facedata = Coro::Storable::thaw $facedata;
		3176
		3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
		3187	{
		3188	my $faces = $facedata->{faceinfo};
		3189
		3190	while (my ($face, $info) = each %$faces) {
		3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
		3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	while (my ($face, $info) = each %$faces) {
		3202	next unless $info->{smooth};
		3203
		3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
		3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
		3264	1
		3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3311	or die "unable to load regions file\n";
2252	}
2253		3312
2254	sub cfg_load {	3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
		3334	sub reload_resources {
		3335	warn "reloading resource files...\n";
		3336
		3337	reload_facedata;
		3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
		3350	reload_resources;
		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	atomic;
		3395
2280	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3399	(async {
2284	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2286	};	3403	};
2287		3404
2288	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2289	db_init;	3408	db_init;
2290	load_extensions;	3409	load_extensions;
2291		3410
2292	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2293	Event::loop;	3419	EV::loop;
2294	}	3420	}
2295		3421
2296	#############################################################################	3422	#############################################################################
2297	# initialisation and cleanup	3423	# initialisation and cleanup
2298		3424
2299	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2300	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3429	$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";	3430	cf::cleanup "SIG$signal";
2309	},
2310	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2311	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2312	}	3512	}
2313		3513
2314	sub emergency_save() {	3514	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2316		3516
…		…
2322	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3528	$pl->save;
2328	}	3529	}
2329	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2330		3531
2331	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2337	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2338		3539
2339	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2342	};	3547	};
2343		3548
2344	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2345	}	3550	}
2346		3551
2347	sub post_cleanup {	3552	sub post_cleanup {
2348	my ($make_core) = @_;	3553	my ($make_core) = @_;
2349		3554
2350	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3556	if $make_core;
2352	}
2353		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
		3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
		3589
2354	sub reload() {	3590	sub do_reload_perl() {
2355	# can/must only be called in main	3591	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2358	return;	3594	return;
2359	}	3595	}
2360		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2361	warn "reloading...";	3600	warn "reloading...";
2362		3601
2363	warn "entering sync_job";	3602	warn "entering sync_job";
2364		3603
2365	cf::sync_job {	3604	cf::sync_job {
2366	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2367	cf::emergency_save;	3606	cf::emergency_save;
2368	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2369		3608
2370	warn "syncing database to disk";	3609	warn "syncing database to disk";
2371	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2372		3611
2373	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2374		3613
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";	3614	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;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2386	warn "iterate...";	3616	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	}	3617	}
2409		3618
2410	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2411	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2412	}	3621	%EXT_CORO = ();
2413		3622
2414	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2415	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2417		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2418	warn "... unloading $k";	3632	warn "... unloading $pkg";
2419	delete $INC{$k};
2420		3633
2421	$k =~ s/\.pm$//;
2422	$k =~ s/\//::/g;
2423
2424	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2425	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2426	}	3643	}
2427		3644
2428	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2429	}	3660	}
2430		3661
2431	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2432	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3665
2435	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2437		3669
2438	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3671	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2441		3673
2442	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2443		3675
2444	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2445	require cf;	3677	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3679
2448	warn "loading config and database again";	3680	warn "loading config and database again";
2449	cf::cfg_load;	3681	cf::reload_config;
2450		3682
2451	warn "loading extensions";	3683	warn "loading extensions";
2452	cf::load_extensions;	3684	cf::load_extensions;
2453		3685
2454	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3687	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
		3690	warn "reattaching attachments to players";
		3691	reattach $_ for values %PLAYER;
2458		3692
2459	warn "loading reloadable resources";
2460	init_resources;
2461
2462	warn "leaving sync_job";	3693	warn "leaving sync_job";
2463		3694
2464	1	3695	1
2465	} or do {	3696	} or do {
2466	warn $@;	3697	warn $@;
2467	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2468	exit 1;	3699	};
		3700
		3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
		3704	};
		3705
		3706	our $RELOAD_WATCHER; # used only during reload
		3707
		3708	sub reload_perl() {
		3709	# doing reload synchronously and two reloads happen back-to-back,
		3710	# coro crashes during coro_state_free->destroy here.
		3711
		3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3713	do_reload_perl;
		3714	undef $RELOAD_WATCHER;
2469	};	3715	};
2470		3716	}
2471	warn "reloaded";
2472	};
2473
2474	our $RELOAD_WATCHER; # used only during reload
2475		3717
2476	register_command "reload" => sub {	3718	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2478		3720
2479	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
2481		3723	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3724	$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;	3725	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3726	};
2494	}	3727	}
2495	};	3728	};
2496		3729
2497	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2498		3731
2499	my $bug_warning = 0;	3732	my $bug_warning = 0;
2500		3733
2501	$TICK_WATCHER = Event->timer (	3734	our @WAIT_FOR_TICK;
2502	reentrant => 0,	3735	our @WAIT_FOR_TICK_BEGIN;
2503	parked => 1,	3736
2504	prio => 0,	3737	sub wait_for_tick {
2505	at => $NEXT_TICK || $TICK,	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2506	data => WF_AUTOCANCEL,	3739
2507	cb => sub {	3740	my $signal = new Coro::Signal;
		3741	push @WAIT_FOR_TICK, $signal;
		3742	$signal->wait;
		3743	}
		3744
		3745	sub wait_for_tick_begin {
		3746	return if tick_inhibit || $Coro::current == $Coro::main;
		3747
		3748	my $signal = new Coro::Signal;
		3749	push @WAIT_FOR_TICK_BEGIN, $signal;
		3750	$signal->wait;
		3751	}
		3752
		3753	sub tick {
2508	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2511	return;	3757	return;
2512	}	3758	}
2513		3759
2514	$NOW = Event::time;
2515
2516	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2517	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;
2519		3761
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3766	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2525	};
2526	}	3768	};
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	},	3769	}
2540	);	3770
		3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3772	$sig->send;
		3773	}
		3774	while (my $sig = shift @WAIT_FOR_TICK) {
		3775	$sig->send;
		3776	}
		3777
		3778	$LOAD = ($NOW - $TICK_START) / $TICK;
		3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3780
		3781	if (0) {
		3782	if ($NEXT_TICK) {
		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
		3787	}
		3788	}
2541		3789
2542	{	3790	{
2543	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2544	$BDB_POLL_WATCHER = Event->io (	3792
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;	3793	BDB::min_parallel 8;
2553		3794	BDB::max_poll_reqs $TICK * 0.1;
2554	BDB::set_sync_prepare {	3795	$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		3796
2569	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3804
2572	cf::sync_job {	3805	cf::sync_job {
2573	eval {	3806	eval {
2574	BDB::db_env_open	3807	BDB::db_env_open
2575	$DB_ENV,	3808	$DB_ENV,
2576	$BDB_ENV_DIR,	3809	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3812	0666;
2580		3813
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3814	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	};	3815	};
2586		3816
2587	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3818	};
2589	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2590	}	3830	}
2591		3831
2592	{	3832	{
		3833	# configure IO::AIO
		3834
2593	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2594
2595	undef $Coro::AIO::WATCHER;
2596	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2597	$AIO_POLL_WATCHER = Event->io (	3837	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	}	3838	}
		3839
		3840	my $_log_backtrace;
		3841
		3842	sub _log_backtrace {
		3843	my ($msg, @addr) = @_;
		3844
		3845	$msg =~ s/\n//;
		3846
		3847	# limit the # of concurrent backtraces
		3848	if ($_log_backtrace < 2) {
		3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2606		3884
2607	END { cf::emergency_save }	3885	END { cf::emergency_save }
2608		3886
2609	1	3887	1
2610		3888

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