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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
		56	use YAML ();
26	use IO::AIO 2.32 ();	57	use IO::AIO ();
27	use YAML::Syck ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
30		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is
34		74
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		76
42	our %COMMAND = ();	77	our %COMMAND = ();
43	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
44		79
45	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
49		85
50	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
51	our @EVENT;	87	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		88
54	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	90	our $DATADIR = datadir;
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	107	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	113	our $DB_ENV;
64		114
65	our %CFG;	115	our %CFG;
66		116
67	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
69		120
70	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		124
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $TICK_START; # for load detecting purposes
		132
82	binmode STDOUT;	133	binmode STDOUT;
83	binmode STDERR;	134	binmode STDERR;
84		135
85	# read virtual server time, if available	136	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
90	}	141	}
91		142
92	mkdir cf::localdir;	143	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		145
99	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
100		147
101	sub cf::map::normalise;	148	sub cf::map::normalise;
102		149
…		…
113	=item $cf::RUNTIME	160	=item $cf::RUNTIME
114		161
115	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
116	every server tick.	163	every server tick.
117		164
118	=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
119		168
120	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		173
123	=item $cf::NOW	174	=item $cf::NOW
124		175
125	The time of the last (current) server tick.	176	The time of the last (current) server tick.
126		177
127	=item $cf::TICK	178	=item $cf::TICK
128		179
129	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	192	=item %cf::CFG
132		193
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	195	from wherever your confdir points to.
135		196
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		198
138	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
139	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
140	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.
141	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.
142		208
143	=back	209	=back
144		210
145	=cut	211	=cut
146		212
147	BEGIN {	213	BEGIN {
148	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	215	my $msg = join "", @_;
150	utf8::encode $msg;
151		216
152	$msg .= "\n"	217	$msg .= "\n"
153	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
154		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
155	LOG llevError, $msg;	222	LOG llevError, $msg;
156	};	223	};
157	}	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#?
158		240
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		248
166	# 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
167	# within the Safe compartment.	250	# within the Safe compartment.
168	for my $pkg (qw(	251	for my $pkg (qw(
169	cf::global cf::attachable	252	cf::global cf::attachable
170	cf::object cf::object::player	253	cf::object cf::object::player
171	cf::client cf::player	254	cf::client cf::player
172	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
173	cf::map cf::party cf::region	257	cf::party cf::region
174	)) {	258	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	260	}
178		261
179	$Event::DIED = sub {	262	$EV::DIED = sub {
180	warn "error in event callback: @_";	263	warn "error in event callback: @_";
181	};	264	};
		265
		266	#############################################################################
182		267
183	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
184		269
185	=over 4	270	=over 4
186		271
…		…
205	$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;
206	$d	291	$d
207	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
208	}	293	}
209		294
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
213		296
214	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
215		298
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
224		300
225	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
226		302
227	=cut	303	=cut
228		304
229	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
231	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
232	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
233		309
234	=item cf::lock_wait $string	310	=item cf::lock_wait $string
235		311
236	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
237		313
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
243	returned.	319	returned.
244		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
245	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
246	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
247		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
248	=cut	331	=cut
249		332
250	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
251		335
252	sub lock_wait($) {	336	sub lock_wait($) {
253	my ($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#
254		343
255	# wait for lock, if any	344	# wait for lock, if any
256	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	347	Coro::schedule;
…		…
264		353
265	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
266	lock_wait $key;	355	lock_wait $key;
267		356
268	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
269		359
270	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
273	}	364	}
274	}	365	}
275		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
276	sub freeze_mainloop {	373	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
278		375
279	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
280	$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($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
281	};	437	}
282	$TICK_WATCHER->stop;	438	};
283	$guard	439
		440	sub get_slot($;$$) {
		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	$sig->wait;
284	}	452	}
285		453
286	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
287		455
288	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		461
294	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
295		463
296	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
297		465
298	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
301		470
302	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
305	fast or be very important.	474	fast or be very important.
…		…
308		477
309	sub sync_job(&) {	478	sub sync_job(&) {
310	my ($job) = @_;	479	my ($job) = @_;
311		480
312	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
313	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
315		486
316	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	488
318	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
319		490
320	my $busy = 1;	491	my $busy = 1;
321	my @res;	492	my @res;
322		493
323	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	496	@res = eval { $job->() };
325	warn $@ if $@;	497	warn $@ if $@;
326	undef $busy;	498	undef $busy;
327	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
328		500
329	while ($busy) {	501	while ($busy) {
330	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
331	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
332		512
333	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
334	} else {	514	} else {
335	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
336		516
…		…
356	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
357		537
358	$coro	538	$coro
359	}	539	}
360		540
361	sub write_runtime {	541	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		542
364	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.
365		547
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
367	or return;
368		549
369	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		552
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
374	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
375		556
376	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	558	reset_signals;
378	and return;	559	&$cb
		560	}, @args;
379		561
380	close $fh	562	wantarray ? @res : $res[-1]
381	or return;	563	}
382		564
383	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
384	and return;
385		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		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($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
386	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		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 });
387	}	728	}
388		729
389	=back	730	=back
390		731
391	=cut	732	=cut
392		733
393	#############################################################################	734	#############################################################################
394		735
395	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
396		737
397	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
398	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")
399	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
400		741
401	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>
402	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
403	crossfire+).	744	Deliantra).
404		745
405	=over 4	746	=over 4
406		747
407	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
408		749
…		…
452	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
453		794
454	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
456		797
457	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		800
460	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
461		802
462	=over 4	803	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
572		913
573	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		918
578	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	920	my $pkg = shift @arg;
580		921
581	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
611	}	952	}
612		953
613	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
614	} else {	955	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	957	}
617		958
618	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
619	}	960	}
620		961
…		…
622	if (ref $_[0]) {	963	if (ref $_[0]) {
623	_object_attach @_;	964	_object_attach @_;
624	} else {	965	} else {
625	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
626	}	967	}
		968	_recalc_want;
627	};	969	};
628		970
629	# all those should be optimised	971	# all those should be optimised
630	sub cf::attachable::detach {	972	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
635	reattach ($obj);	977	reattach ($obj);
636	} else {	978	} else {
637	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
638	}	980	}
		981	_recalc_want;
639	};	982	};
640		983
641	sub cf::attachable::attached {	984	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
643		986
…		…
658	";	1001	";
659	die if $@;	1002	die if $@;
660	}	1003	}
661		1004
662	our $override;	1005	our $override;
663	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?
664		1007
665	sub override {	1008	sub override {
666	$override = 1;	1009	$override = 1;
667	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
668	}	1011	}
669		1012
670	sub do_invoke {	1013	sub do_invoke {
671	my $event = shift;	1014	my $event = shift;
672	my $callbacks = shift;	1015	my $callbacks = shift;
673		1016
674	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
675		1018
676	local $override;	1019	local $override;
677		1020
678	for (@$callbacks) {	1021	for (@$callbacks) {
679	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
688	}	1031	}
689		1032
690	0	1033	0
691	}	1034	}
692		1035
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1037
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1039
697	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
698		1041
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1045
703	=back	1046	=back
704		1047
705	=cut	1048	=cut
706		1049
707	#############################################################################	1050	#############################################################################
708	# 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, $ob2
		1093	}
709		1094
710	sub reattach {	1095	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1097	my ($obj) = @_;
713		1098
		1099	# no longer needed after getting rid of delete_package?
714	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
715		1101
716	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
717		1103
718	@$registry = ();	1104	@$registry = ();
719		1105
…		…
734	cf::attachable->attach (	1120	cf::attachable->attach (
735	prio => -1000000,	1121	prio => -1000000,
736	on_instantiate => sub {	1122	on_instantiate => sub {
737	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
738		1124
739	$data = from_json $data;	1125	$data = decode_json $data;
740		1126
741	for (@$data) {	1127	for (@$data) {
742	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
743		1129
744	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1146	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
762		1148
763	sync_job {	1149	sync_job {
764	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
767		1154
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1159	aio_close $fh;
773		1160
774	if (@$objs) {	1161	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1167	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
782	}	1169	}
783	} else {	1170	} else {
784	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
785	}	1172	}
…		…
790	}	1177	}
791	} else {	1178	} else {
792	aio_unlink $filename;	1179	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
794	}	1181	}
795	}	1182	};
796	}	1183	}
797		1184
798	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
800		1187
…		…
812	or return;	1199	or return;
813		1200
814	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
816	or return;	1203	or return;
		1204
817	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
818	}	1207	}
819		1208
		1209	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
822	return ($data, $av);	1213	($data, $av)
823	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
824		1221
825	#############################################################################	1222	#############################################################################
826	# command handling &c	1223	# command handling &c
827		1224
828	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1239	}
843		1240
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1242
846	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.
847		1248
848	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
849	called.	1250	called.
850		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
851	=cut	1263	=cut
852		1264
853	sub register_extcmd {	1265	sub register_extcmd {
854	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
855		1267
856	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
857	}	1275	}
858		1276
859	cf::player->attach (	1277	cf::player->attach (
860	on_command => sub {	1278	on_command => sub {
861	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1288	cf::override;
871	},	1289	},
872	on_extcmd => sub {	1290	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
874		1292
875	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1294
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
883	} else {	1310	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1312	}
886		1313
887	cf::override;	1314	cf::override;
888	},	1315	},
889	);	1316	);
890		1317
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
926	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1323	next unless -r $path;
928	eval {	1324
929	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	$progress = 1;
930	1	1381	}
931	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
932	}	1387	};
933	}	1388	}
934		1389
935	#############################################################################	1390	#############################################################################
936		1391
		1392	=back
		1393
937	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
938		1395
939	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
940		1397
941	=cut	1398	=cut
942		1399
943	package cf::player;	1400	package cf::player;
944		1401
…		…
946		1403
947	=head3 cf::player	1404	=head3 cf::player
948		1405
949	=over 4	1406	=over 4
950		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
951	=item cf::player::find $login	1422	=item cf::player::find $login
952		1423
953	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
954		1425
955	=cut	1426	=cut
956		1427
957	sub playerdir($) {	1428	sub playerdir($) {
958	cf::localdir	1429	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1431	}
964		1432
965	sub path($) {	1433	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1435
968	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
969	}	1437	}
970		1438
971	sub find_active($) {	1439	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1454	my $login = $_[0];
987		1455
988	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
989		1457
990	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
994	}	1475	}
995	}	1476	}
996	}	1477	}
997		1478
…		…
1006	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1007		1488
1008	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1010		1491
		1492	cf::get_slot 0.01;
		1493
1011	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1012	Coro::cede;	1495	cf::cede_to_tick;
1013	}	1496	}
1014		1497
1015	sub new($) {	1498	sub new($) {
1016	my ($login) = @_;	1499	my ($login) = @_;
1017		1500
…		…
1023	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1024		1507
1025	$self	1508	$self
1026	}	1509	}
1027		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
1028	=item $pl->quit_character	1521	=item $pl->quit_character
1029		1522
1030	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1032		1525
…		…
1036	my ($pl) = @_;	1529	my ($pl) = @_;
1037		1530
1038	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1039		1532
1040	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1041	$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
1042		1535
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1047		1542
1048	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1080		1575
1081	=cut	1576	=cut
1082		1577
1083	sub list_logins {	1578	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1580	or return [];
1086		1581
1087	my @logins;	1582	my @logins;
1088		1583
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1093		1594
1094	utf8::decode $login;	1595	utf8::decode $login;
1095	push @logins, $login;	1596	push @logins, $login;
1096	}	1597	}
1097		1598
…		…
1124	}	1625	}
1125		1626
1126	\@paths	1627	\@paths
1127	}	1628	}
1128		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1130		1635
1131	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1132		1637
1133	=cut	1638	=cut
1134		1639
1135	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1137		1642
1138	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1644	}
1142		1645
1143	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	}
1144		1686
1145	=back	1687	=back
1146
1147		1688
1148	=head3 cf::map	1689	=head3 cf::map
1149		1690
1150	=over 4	1691	=over 4
1151		1692
…		…
1163	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1165		1706
1166	sub generate_random_map {	1707	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1713	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1207		1751
1208	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1209	local $self->{path};	1753	local $self->{path};
1210	local $self->{load_path};	1754	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1755
1214	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1215	}	1757	}
1216		1758
1217	sub normalise {	1759	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1265	return $self;	1807	return $self;
1266	}	1808	}
1267	}	1809	}
1268		1810
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1812	()
1271	}	1813	}
1272		1814
1273	sub init {	1815	sub init {
1274	my ($self) = @_;	1816	my ($self) = @_;
…		…
1289		1831
1290	# the original (read-only) location	1832	# the original (read-only) location
1291	sub load_path {	1833	sub load_path {
1292	my ($self) = @_;	1834	my ($self) = @_;
1293		1835
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1295	}	1837	}
1296		1838
1297	# the temporary/swap location	1839	# the temporary/swap location
1298	sub save_path {	1840	sub save_path {
1299	my ($self) = @_;	1841	my ($self) = @_;
1300		1842
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1303	}	1845	}
1304		1846
1305	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1306	sub uniq_path {	1848	sub uniq_path {
1307	my ($self) = @_;	1849	my ($self) = @_;
1308		1850
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1311	}	1853	}
1312		1854
1313	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1314	# all maps in C++...	1856	# all maps in C++...
1315	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1317		1859
1318	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1320	}	1862	}
1321		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1322	sub unlink_save {	1872	sub unlink_save {
1323	my ($self) = @_;	1873	my ($self) = @_;
1324		1874
1325	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1879
1330	sub load_header_from($) {	1880	sub load_header_from($) {
1331	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1332		1882
1333	utf8::encode $path;	1883	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1892
1340	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1341		1894
1342	1	1895	1
1343	}	1896	}
…		…
1382	$self->load_header_orig	1935	$self->load_header_orig
1383	or return;	1936	or return;
1384	$self->prepare_orig;	1937	$self->prepare_orig;
1385	}	1938	}
1386		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
1387	1	1946	1
1388	}	1947	}
1389		1948
1390	sub find;	1949	sub find;
1391	sub find {	1950	sub find {
1392	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1393		1952
1394	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1395		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1397		1957
1398	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1399	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1400	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1401	or return;	1963	or return;
1402		1964
1403	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1404		1966
1405	$map->load_header	1967	$map->load_header
1406	or return;	1968	or return;
1407		1969
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1411	$map->reset;	1975	$map->reset;
1412	undef $guard;
1413	return find $path;	1976	return find $path;
1414	}	1977	}
1415		1978
1416	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1417	}	1980	}
…		…
1424	my ($self) = @_;	1987	my ($self) = @_;
1425		1988
1426	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1427		1990
1428	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1430		1995
		1996	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		1998
1433	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1434		2000
1435	$self->alloc;	2001	$self->alloc;
1436		2002
1437	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1438		2005
1439	$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)
1440	or return;	2009	or return;
1441		2010
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1443	if delete $self->{load_original};	2012	if delete $self->{load_original};
1444		2013
1445	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2015	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2018	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1450	}	2022	}
1451	}	2023	}
1452		2024
1453	Coro::cede;	2025	$f->resolve_delayed_derefs;
1454		2026
		2027	cf::cede_to_tick;
1455	# now do the right thing for maps	2028	# now do the right thing for maps
1456	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2031	unless $self->difficulty;
1466	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;
1467	$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);
1468	}	2048	}
1469		2049
1470	$self->post_load;	2050	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2051	}
1474		2052
1475	sub customise_for {	2053	sub customise_for {
1476	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1477		2055
1478	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2057	if $self->per_player;
1480		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1481	$self	2062	$self
1482	}	2063	}
1483		2064
1484	# 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
1485	sub load_diag {	2066	sub load_neighbours {
1486	my ($map) = @_;	2067	my ($map) = @_;
1487		2068
1488	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1489		2070
1490	for (0 .. 3) {	2071	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1492	or next;	2073	or next;
1493	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1494	or next;	2075	or next;
1495	$neigh->load;	2076	$neigh->load;
1496		2077
		2078	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2081	}
1500		2082
1501	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1503	or next;	2086	or next;
1504	$neigh->load;	2087	$neigh->load;
1505	}	2088	}
1506	}	2089	}
1507		2090
…		…
1512	}	2095	}
1513		2096
1514	sub do_load_sync {	2097	sub do_load_sync {
1515	my ($map) = @_;	2098	my ($map) = @_;
1516		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1517	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1518	}	2104	}
1519		2105
1520	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1522		2108
1523	sub find_async {	2109	sub find_async {
1524	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1525		2111
1526	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1527		2113
1528	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2116	}
1531		2117
1532	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1533	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1534	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2125	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2126	$map->load if $v;
		2127	}
1539		2128
1540	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1541	}	2130	}
1542	}	2131	}
1543	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1544	};	2133	};
1545	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2137	}
1549		2138
1550	sub save {	2139	sub save {
1551	my ($self) = @_;	2140	my ($self) = @_;
1552		2141
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2143
1555	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1556		2145
1557	return unless $self->dirty;	2146	return unless $self->dirty;
1558		2147
…		…
1564	return if $self->{deny_save};	2153	return if $self->{deny_save};
1565		2154
1566	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1567		2156
1568	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1570	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1571		2163
1572	if ($uniq) {	2164	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2167	} else {
…		…
1581	my ($self) = @_;	2173	my ($self) = @_;
1582		2174
1583	# save first because save cedes	2175	# save first because save cedes
1584	$self->save;	2176	$self->save;
1585		2177
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2179
1588	return if $self->players;	2180	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2182	return if $self->{deny_save};
1591		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2188	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2189	}
1595		2190
1596	sub reset_at {	2191	sub reset_at {
1597	my ($self) = @_;	2192	my ($self) = @_;
1598		2193
1599	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1602		2196
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2199
…		…
1616	my ($self) = @_;	2210	my ($self) = @_;
1617		2211
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2213
1620	return if $self->players;	2214	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2215
1623	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1624		2217
1625	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1626		2219
1627	# need to save uniques path	2220	# need to save uniques path
1628	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2225	if $uniq;
1633	}	2226	}
1634		2227
1635	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1636		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2232	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2233
1641	$self->unlink_save;	2234	$self->unlink_save;
1642	$self->destroy;	2235	$self->destroy;
1643	}	2236	}
1644		2237
1645	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1646		2239
1647	sub nuke {	2240	sub nuke {
1648	my ($self) = @_;	2241	my ($self) = @_;
1649		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1650	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1651		2247
1652	$self->unlink_save;	2248	$self->unlink_save;
1653		2249
1654	bless $self, "cf::map";	2250	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2255
1660	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1661		2258
1662	$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	]
1663	}	2296	}
1664		2297
1665	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1666		2299
1667	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2301	instantiated unique items. May block.
1669		2302
1670	=cut	2303	=cut
1671		2304
1672	sub unique_maps() {	2305	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1674	or return;	2307	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2308	utf8::decode $_;
1680	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2311	? ()
1683	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2314	]
1685
1686	\@paths
1687	}	2315	}
1688
1689	package cf;
1690		2316
1691	=back	2317	=back
1692		2318
1693	=head3 cf::object	2319	=head3 cf::object
1694		2320
…		…
1698		2324
1699	=over 4	2325	=over 4
1700		2326
1701	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1702		2328
1703	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.
1704		2331
1705	=cut	2332	=cut
1706		2333
1707	sub inv_recursive_;	2334	sub inv_recursive_;
1708	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1711		2338
1712	sub inv_recursive {	2339	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1714	}	2341	}
1715		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
1716	package cf;	2371	package cf;
1717		2372
1718	=back	2373	=back
1719		2374
1720	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1729		2384
1730	=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	};
1731		2400
1732	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2402	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1737		2406
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2408
1740	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1745	}	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 (@_);
1746	}	2434	}
1747		2435
1748	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1749		2437
1750	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1763		2451
1764	=item $player_object->enter_link	2452	=item $player_object->enter_link
1765		2453
1766	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}>).
1767		2455
1768	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.
1769	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.
1770		2460
1771	Will never block.	2461	Will never block.
1772		2462
1773	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1774		2464
…		…
1797	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1798		2488
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2490
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1803		2493
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2495	}
1806		2496
1807	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1809		2501
1810	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1811		2503
1812	unless ($map) {	2504	unless ($map) {
1813	# restore original map position	2505	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1830		2522
1831	$map->load;	2523	$map->load;
1832	$map->load_diag;	2524	$map->load_neighbours;
1833		2525
1834	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1835	$self->activate_recursive;	2528	$self->activate_recursive;
1836		2529
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1839	}	2532	}
1840		2533
1841	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2535
1845	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1849	};	2540	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2541
1855	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1856	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2544
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1876		2548
1877	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1878	my ($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;
1879		2554
1880	$self->enter_link;	2555	$self->enter_link;
1881		2556
1882	(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
1883	my $map = eval {	2579	my $map = eval {
1884	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2595	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1891	})->prio (1);	2603	})->prio (1);
1892	}	2604	}
1893		2605
1894	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1895		2607
…		…
1915	}	2627	}
1916		2628
1917	sub prepare_random_map {	2629	sub prepare_random_map {
1918	my ($exit) = @_;	2630	my ($exit) = @_;
1919		2631
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2634	# that depends on the exit object
1925		2635
1926	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2638	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1933	}	2645	}
1934		2646
1935	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1936		2648
1937	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1940		2652
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2655	undef $fh;
1944	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1945		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1948	}	2664	}
1949	}	2665	}
1950		2666
1951	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1953		2669
1954	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1955		2671
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2672	$self->enter_link;
1966		2673
1967	(async {	2674	(async {
1968	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1969	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
1970	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1971		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
1972	1;	2698	1
1973	}) {	2699	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2704
1979	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2706	$self->leave_link;
1981	}	2707	}
1982	})->prio (1);	2708	})->prio (1);
…		…
1998		2724
1999	utf8::encode $text;	2725	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2727	}
2002		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	}
2003		2914
2004	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2005		2916
2006	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2007	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>,
2008	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>.
2009		2920
2010	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
2011	reliable at some point in the future.	2922	become reliable at some point in the future.
2012		2923
2013	=cut	2924	=cut
2014		2925
2015	sub cf::client::query {	2926	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2935	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2937
2027	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2029	}	2942	}
2030		2943
2031	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2032	on_reply => sub {	2950	on_reply => sub {
2033	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2034		2952
2035	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2036	# get handled first	2954	# get handled first
…		…
2048	} else {	2966	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2968	}
2051	}	2969	}
2052	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($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	},
2053	);	2997	);
2054		2998
2055	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2056		3000
2057	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2100		3044
2101	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2102		3046
2103	$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	));
2104		3052
2105	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2106		3054
2107	=pod	3055	=pod
2108		3056
2109	The following fucntions and emthods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2110		3058
2111	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
2112	cf::object::player player	3063	cf::object::player
2113	cf::player peaceful	3064	player
2114	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2115		3071
2116	=cut	3072	=cut
2117		3073
2118	for (	3074	for (
2119	["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)],
2120	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2123	) {	3081	) {
2124	no strict 'refs';	3082	no strict 'refs';
…		…
2195	=back	3153	=back
2196		3154
2197	=cut	3155	=cut
2198		3156
2199	#############################################################################	3157	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3158	# the server's init and main functions
2273		3159
2274	sub load_faces {	3160	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3161	my ($path) = @_;
2276		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
2277	warn "loading faces from $path\n";	3169	warn "loading facedata from $path\n";
2278		3170
2279	my $faces;	3171	my $facedata;
2280	0 < aio_load $path, $faces	3172	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3173	or die "$path: $!";
2282		3174
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3175	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3176
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3177	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		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 = $facedata->{faceinfo};
		3189
2291	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	Coro::cede;	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	}
2297		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
2298	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2300	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2301	or next;	3205	or next;
		3206
2302	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2304	} else {	3210	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}	3212	}
2307	Coro::cede;	3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
2308	}	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);
2309		3263
2310	1	3264	1
2311	}	3265	}
2312		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"
		3311	or die "unable to load regions file\n";
		3312
		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
2313	sub reload_resources {	3334	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3335	warn "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	3336
2316	load_faces	3337	reload_facedata;
2317	or die "unable to load faces\n";#d#	3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
2318	}	3343	}
2319		3344
2320	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2321	reload_resources;	3350	reload_resources;
2322	}	3351	}
2323		3352
2324	sub cfg_load {	3353	sub reload_config {
2325	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2326	or return;	3355	or return;
2327		3356
2328	local $/;	3357	local $/;
2329	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2330		3359
2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2332		3361
2333	$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};
2334	$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};
…		…
2340	};	3369	};
2341	warn $@ if $@;	3370	warn $@ if $@;
2342	}	3371	}
2343	}	3372	}
2344		3373
		3374	sub pidfile() {
		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 $$;
		3391	}
		3392
2345	sub main {	3393	sub main {
		3394	atomic;
		3395
2346	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2347	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2348	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#
2349	(async {	3399	(async {
2350	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2351	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2352	};	3403	};
2353		3404
2354	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2355	db_init;	3408	db_init;
2356	load_extensions;	3409	load_extensions;
2357		3410
2358	$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
2359	Event::loop;	3419	EV::loop;
2360	}	3420	}
2361		3421
2362	#############################################################################	3422	#############################################################################
2363	# initialisation and cleanup	3423	# initialisation and cleanup
2364		3424
2365	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2366	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2367	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2368	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2369	reentrant => 0,
2370	data => WF_AUTOCANCEL,
2371	signal => $signal,
2372	prio => 0,
2373	cb => sub {
2374	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2375	},
2376	);	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
2377	}	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 };
2378	}	3512	}
2379		3513
2380	sub emergency_save() {	3514	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2382		3516
…		…
2388	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2389	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2390	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2391	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2392	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2393	$pl->save;	3528	$pl->save;
2394	}	3529	}
2395	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2396		3531
2397	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2403	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2404		3539
2405	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2406	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2407	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2408	};	3547	};
2409		3548
2410	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2411	}	3550	}
2412		3551
2413	sub post_cleanup {	3552	sub post_cleanup {
2414	my ($make_core) = @_;	3553	my ($make_core) = @_;
2415		3554
2416	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3556	if $make_core;
2418	}
2419		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
2420	sub reload() {	3590	sub do_reload_perl() {
2421	# can/must only be called in main	3591	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2423	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2424	return;	3594	return;
2425	}	3595	}
2426		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2427	warn "reloading...";	3600	warn "reloading...";
2428		3601
2429	warn "entering sync_job";	3602	warn "entering sync_job";
2430		3603
2431	cf::sync_job {	3604	cf::sync_job {
2432	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2433	cf::emergency_save;	3606	cf::emergency_save;
2434	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2435		3608
2436	warn "syncing database to disk";	3609	warn "syncing database to disk";
2437	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2438		3611
2439	# 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
2440		3613
2441	warn "cancelling all WF_AUTOCANCEL watchers";
2442	for (Event::all_watchers) {
2443	$_->cancel if $_->data & WF_AUTOCANCEL;
2444	}
2445
2446	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2447	for (;;) {
2448	BDB::flush;
2449	IO::AIO::flush;
2450	Coro::cede;
2451	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2452	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2453	}
2454
2455	++$RELOAD;
2456
2457	warn "cancelling all extension coros";
2458	$_->cancel for values %EXT_CORO;
2459	%EXT_CORO = ();
2460
2461	warn "removing commands";
2462	%COMMAND = ();
2463
2464	warn "removing ext commands";
2465	%EXTCMD = ();
2466
2467	warn "unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";
2470
2471	if (my $cb = $pkg->can ("unload")) {
2472	eval {
2473	$cb->($pkg);
2474	1
2475	} or warn "$pkg unloaded, but with errors: $@";
2476	}	3617	}
2477		3618
2478	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2479	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2480	}	3621	%EXT_CORO = ();
2481		3622
2482	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2483	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2485		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2486	warn "... unloading $k";	3632	warn "... unloading $pkg";
2487	delete $INC{$k};
2488		3633
2489	$k =~ s/\.pm$//;
2490	$k =~ s/\//::/g;
2491
2492	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2493	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2494	}	3643	}
2495		3644
2496	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;
2497	}	3660	}
2498		3661
2499	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2500	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2501	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);
2502		3665
2503	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2505		3669
2506	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2507	# and global variables created in xs	3671	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2509		3673
2510	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2511		3675
2512	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2513	require cf;	3677	require cf;
2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2515		3679
2516	warn "loading config and database again";	3680	warn "loading config and database again";
2517	cf::cfg_load;	3681	cf::reload_config;
2518		3682
2519	warn "loading extensions";	3683	warn "loading extensions";
2520	cf::load_extensions;	3684	cf::load_extensions;
2521		3685
2522	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2523	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2524	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2525	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2528		3692
2529	warn "loading reloadable resources";
2530	reload_resources;
2531
2532	warn "leaving sync_job";	3693	warn "leaving sync_job";
2533		3694
2534	1	3695	1
2535	} or do {	3696	} or do {
2536	warn $@;	3697	warn $@;
2537	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2538	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;
2539	};	3715	};
2540		3716	}
2541	warn "reloaded";
2542	};
2543
2544	our $RELOAD_WATCHER; # used only during reload
2545		3717
2546	register_command "reload" => sub {	3718	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2548		3720
2549	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
2551		3723	async {
2552	# doing reload synchronously and two reloads happen back-to-back,	3724	$Coro::current->{desc} = "perl_reload";
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;	3725	reload_perl;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);	3726	};
2564	}	3727	}
2565	};	3728	};
2566		3729
2567	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2568		3731
2569	my $bug_warning = 0;	3732	my $bug_warning = 0;
2570		3733
2571	$TICK_WATCHER = Event->timer (	3734	our @WAIT_FOR_TICK;
2572	reentrant => 0,	3735	our @WAIT_FOR_TICK_BEGIN;
2573	parked => 1,	3736
2574	prio => 0,	3737	sub wait_for_tick {
2575	at => $NEXT_TICK || $TICK,	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2576	data => WF_AUTOCANCEL,	3739
2577	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 {
2578	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2579	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"
2580	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2581	return;	3757	return;
2582	}	3758	}
2583		3759
2584	$NOW = Event::time;
2585
2586	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2587	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;
2589		3761
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2592	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2593	write_runtime	3766	write_runtime_sync
2594	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2595	};
2596	}	3768	};
2597
2598	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601	# my $AFTER = Event::time;
2602	# warn $AFTER - $NOW;#d#
2603
2604	# if we are delayed by four ticks or more, skip them all
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2606
2607	$TICK_WATCHER->at ($NEXT_TICK);
2608	$TICK_WATCHER->start;
2609	},	3769	}
2610	);	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	}
2611		3789
2612	{	3790	{
2613	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2614	$BDB_POLL_WATCHER = Event->io (	3792
2615	reentrant => 0,
2616	fd => BDB::poll_fileno,
2617	poll => 'r',
2618	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&BDB::poll_cb,
2621	);
2622	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2623		3794	BDB::max_poll_reqs $TICK * 0.1;
2624	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2625	my $status;
2626	my $current = $Coro::current;
2627	(
2628	sub {
2629	$status = $!;
2630	$current->ready; undef $current;
2631	},
2632	sub {
2633	Coro::schedule while defined $current;
2634	$! = $status;
2635	},
2636	)
2637	};
2638		3796
2639	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2640	$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);
2641		3804
2642	cf::sync_job {	3805	cf::sync_job {
2643	eval {	3806	eval {
2644	BDB::db_env_open	3807	BDB::db_env_open
2645	$DB_ENV,	3808	$DB_ENV,
2646	$BDB_ENV_DIR,	3809	$BDBDIR,
2647	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
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	3812	0666;
2650		3813
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;
2655	};	3815	};
2656		3816
2657	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2658	};	3818	};
2659	}	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	};
2660	}	3830	}
2661		3831
2662	{	3832	{
		3833	# configure IO::AIO
		3834
2663	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2664
2665	undef $Coro::AIO::WATCHER;
2666	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2667	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2668	reentrant => 0,
2669	data => WF_AUTOCANCEL,
2670	fd => IO::AIO::poll_fileno,
2671	poll => 'r',
2672	prio => 6,
2673	cb => \&IO::AIO::poll_cb,
2674	);
2675	}	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;
2676		3884
2677	END { cf::emergency_save }	3885	END { cf::emergency_save }
2678		3886
2679	1	3887	1
2680		3888

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