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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 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;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		74
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		76
45	our %COMMAND = ();	77	our %COMMAND = ();
46	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
47		79
48	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
52		85
53	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	87	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		88
57	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	90	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	107	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	113	our $DB_ENV;
67		114
68	our %CFG;	115	our %CFG;
69		116
70	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
72		120
73	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		124
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $TICK_START; # for load detecting purposes
		132
85	binmode STDOUT;	133	binmode STDOUT;
86	binmode STDERR;	134	binmode STDERR;
87		135
88	# read virtual server time, if available	136	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
93	}	141	}
94		142
95	mkdir cf::localdir;	143	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		145
102	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
103		147
104	sub cf::map::normalise;	148	sub cf::map::normalise;
105		149
…		…
116	=item $cf::RUNTIME	160	=item $cf::RUNTIME
117		161
118	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
119	every server tick.	163	every server tick.
120		164
121	=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
122		168
123	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		173
126	=item $cf::NOW	174	=item $cf::NOW
127		175
128	The time of the last (current) server tick.	176	The time of the last (current) server tick.
129		177
130	=item $cf::TICK	178	=item $cf::TICK
131		179
132	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	192	=item %cf::CFG
135		193
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	195	from wherever your confdir points to.
138		196
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		198
141	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
142	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
143	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.
144	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.
145		208
146	=back	209	=back
147		210
148	=cut	211	=cut
149		212
150	BEGIN {	213	BEGIN {
151	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	215	my $msg = join "", @_;
153	utf8::encode $msg;
154		216
155	$msg .= "\n"	217	$msg .= "\n"
156	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
157		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
158	LOG llevError, $msg;	222	LOG llevError, $msg;
159	};	223	};
160	}	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#?
161		240
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		248
169	# 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
170	# within the Safe compartment.	250	# within the Safe compartment.
171	for my $pkg (qw(	251	for my $pkg (qw(
172	cf::global cf::attachable	252	cf::global cf::attachable
173	cf::object cf::object::player	253	cf::object cf::object::player
174	cf::client cf::player	254	cf::client cf::player
175	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
176	cf::map cf::party cf::region	257	cf::party cf::region
177	)) {	258	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	260	}
181		261
182	$Event::DIED = sub {	262	$EV::DIED = sub {
183	warn "error in event callback: @_";	263	warn "error in event callback: @_";
184	};	264	};
		265
		266	#############################################################################
185		267
186	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
187		269
188	=over 4	270	=over 4
189		271
…		…
208	$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;
209	$d	291	$d
210	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
211	}	293	}
212		294
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
216		296
217	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
218		298
219	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
220		300
221	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
222		309
223	=item cf::lock_wait $string	310	=item cf::lock_wait $string
224		311
225	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
226		313
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
232	returned.	319	returned.
233		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
234	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
235	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
236		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
237	=cut	331	=cut
238		332
239	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
240		335
241	sub lock_wait($) {	336	sub lock_wait($) {
242	my ($key) = @_;	337	my ($key) = @_;
243		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
244	# wait for lock, if any	344	# wait for lock, if any
245	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
246	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	348	Coro::schedule;
248	}	349	}
249	}	350	}
250		351
…		…
253		354
254	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
255	lock_wait $key;	356	lock_wait $key;
256		357
257	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
258		360
259	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
262	}	365	}
263	}	366	}
264		367
		368	sub lock_active($) {
		369	my ($key) = @_;
		370
		371	! ! $LOCK{$key}
		372	}
		373
265	sub freeze_mainloop {	374	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
267		376
268	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
270	};	438	}
271	$TICK_WATCHER->stop;	439	};
272	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
273	}	453	}
274		454
275	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
276		456
277	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		462
283	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
284		464
285	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
286		466
287	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
290		471
291	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
294	fast or be very important.	475	fast or be very important.
…		…
297		478
298	sub sync_job(&) {	479	sub sync_job(&) {
299	my ($job) = @_;	480	my ($job) = @_;
300		481
301	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
		483	my $time = EV::time;
		484
302	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
304		487
305	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	489
307	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
308		491
309	my $busy = 1;	492	my $busy = 1;
310	my @res;	493	my @res;
311		494
312	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	497	@res = eval { $job->() };
314	warn $@ if $@;	498	warn $@ if $@;
315	undef $busy;	499	undef $busy;
316	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
317		501
318	while ($busy) {	502	while ($busy) {
319	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
320	}	507	}
		508	}
		509
		510	my $time = EV::time - $time;
		511
		512	$TICK_START += $time; # do not account sync jobs to server load
321		513
322	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
323	} else {	515	} else {
324	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
325		517
…		…
345	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
346		538
347	$coro	539	$coro
348	}	540	}
349		541
350	sub write_runtime {	542	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		543
353	my $runtime = cf::localdir . "/runtime";	544	Executes the given code block with the given arguments in a seperate
		545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
354		548
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	549	=cut
356	or return;
357		550
358	my $value = $cf::RUNTIME + 90 + 10;	551	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	552	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		553
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	554	# we seemingly have to make a local copy of the whole thing,
363	and return;	555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
364		557
365	# always fsync - this file is important	558	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	559	reset_signals;
367	and return;	560	&$cb
		561	}, @args;
368		562
369	close $fh	563	wantarray ? @res : $res[-1]
370	or return;	564	}
371		565
372	aio_rename "$runtime~", $runtime	566	=item $coin = coin_from_name $name
373	and return;
374		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
		592
		593	=item $value = cf::db_get $family => $key
		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
		625
		626	our $DB;
		627
		628	sub db_init {
		629	cf::sync_job {
		630	$DB ||= db_table "db";
		631	};
		632	}
		633
		634	sub db_get($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
375	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
		718	}
		719
		720	=item cf::datalog type => key => value, ...
		721
		722	Log a datalog packet of the given type with the given key-value pairs.
		723
		724	=cut
		725
		726	sub datalog($@) {
		727	my ($type, %kv) = @_;
		728	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	729	}
377		730
378	=back	731	=back
379		732
380	=cut	733	=cut
381		734
382	#############################################################################	735	#############################################################################
383		736
384	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
385		738
386	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
389		742
390	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	745	Deliantra).
393		746
394	=over 4	747	=over 4
395		748
396	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
397		750
…		…
441	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
442		795
443	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
445		798
446	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
448		801
449	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
450		803
451	=over 4	804	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	913	$registry = $CB_TYPE[$object_type] ||= [];
561		914
562	} elsif ($type eq "subtype") {	915	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	916	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	917	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	918	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		919
567	} elsif ($type eq "package") {	920	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	921	my $pkg = shift @arg;
569		922
570	while (my ($name, $id) = each %cb_id) {	923	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
600	}	953	}
601		954
602	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
603	} else {	956	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	958	}
606		959
607	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
608	}	961	}
609		962
…		…
611	if (ref $_[0]) {	964	if (ref $_[0]) {
612	_object_attach @_;	965	_object_attach @_;
613	} else {	966	} else {
614	_attach shift->_attach_registry, @_;	967	_attach shift->_attach_registry, @_;
615	}	968	}
		969	_recalc_want;
616	};	970	};
617		971
618	# all those should be optimised	972	# all those should be optimised
619	sub cf::attachable::detach {	973	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	977	delete $obj->{_attachment}{$name};
624	reattach ($obj);	978	reattach ($obj);
625	} else {	979	} else {
626	Carp::croak "cannot, currently, detach class attachments";	980	Carp::croak "cannot, currently, detach class attachments";
627	}	981	}
		982	_recalc_want;
628	};	983	};
629		984
630	sub cf::attachable::attached {	985	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
632		987
…		…
647	";	1002	";
648	die if $@;	1003	die if $@;
649	}	1004	}
650		1005
651	our $override;	1006	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1008
654	sub override {	1009	sub override {
655	$override = 1;	1010	$override = 1;
656	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
657	}	1012	}
658		1013
659	sub do_invoke {	1014	sub do_invoke {
660	my $event = shift;	1015	my $event = shift;
661	my $callbacks = shift;	1016	my $callbacks = shift;
662		1017
663	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
664		1019
665	local $override;	1020	local $override;
666		1021
667	for (@$callbacks) {	1022	for (@$callbacks) {
668	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
677	}	1032	}
678		1033
679	0	1034	0
680	}	1035	}
681		1036
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1038
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1040
686	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
687		1042
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1046
692	=back	1047	=back
693		1048
694	=cut	1049	=cut
695		1050
696	#############################################################################	1051	#############################################################################
697	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
698		1095
699	sub reattach {	1096	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1098	my ($obj) = @_;
702		1099
		1100	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1102
705	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
706		1104
707	@$registry = ();	1105	@$registry = ();
708		1106
…		…
723	cf::attachable->attach (	1121	cf::attachable->attach (
724	prio => -1000000,	1122	prio => -1000000,
725	on_instantiate => sub {	1123	on_instantiate => sub {
726	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
727		1125
728	$data = from_json $data;	1126	$data = decode_json $data;
729		1127
730	for (@$data) {	1128	for (@$data) {
731	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
732		1130
733	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1147	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
751		1149
752	sync_job {	1150	sync_job {
753	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
756		1155
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1160	aio_close $fh;
762		1161
763	if (@$objs) {	1162	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1168	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
771	}	1170	}
772	} else {	1171	} else {
773	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
774	}	1173	}
…		…
779	}	1178	}
780	} else {	1179	} else {
781	aio_unlink $filename;	1180	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
783	}	1182	}
784	}	1183	};
785	}	1184	}
786		1185
787	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
789		1188
…		…
801	or return;	1200	or return;
802		1201
803	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
805	or return;	1204	or return;
		1205
806	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
807	}	1208	}
808		1209
		1210	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
811	return ($data, $av);	1214	($data, $av)
812	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
813		1222
814	#############################################################################	1223	#############################################################################
815	# command handling &c	1224	# command handling &c
816		1225
817	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1240	}
832		1241
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1243
835	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
836		1249
837	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
838	called.	1251	called.
839		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
840	=cut	1264	=cut
841		1265
842	sub register_extcmd {	1266	sub register_extcmd {
843	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
844		1268
845	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
846	}	1276	}
847		1277
848	cf::player->attach (	1278	cf::player->attach (
849	on_command => sub {	1279	on_command => sub {
850	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1289	cf::override;
860	},	1290	},
861	on_extcmd => sub {	1291	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
863		1293
864	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1295
866	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
872	} else {	1311	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1313	}
875		1314
876	cf::override;	1315	cf::override;
877	},	1316	},
878	);	1317	);
879		1318
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
915	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1324	next unless -r $path;
917	eval {	1325
918	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
919	1	1382	}
920	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
921	}	1388	};
922	}	1389	}
923		1390
924	#############################################################################	1391	#############################################################################
925		1392
		1393	=back
		1394
926	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
927		1396
928	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
929		1398
930	=cut	1399	=cut
931		1400
932	package cf::player;	1401	package cf::player;
933		1402
…		…
935		1404
936	=head3 cf::player	1405	=head3 cf::player
937		1406
938	=over 4	1407	=over 4
939		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
		1422
940	=item cf::player::find $login	1423	=item cf::player::find $login
941		1424
942	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
943		1426
944	=cut	1427	=cut
945		1428
946	sub playerdir($) {	1429	sub playerdir($) {
947	cf::localdir	1430	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1431	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1432	}
953		1433
954	sub path($) {	1434	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1435	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1436
957	(playerdir $login) . "/$login.pl"	1437	(playerdir $login) . "/playerdata"
958	}	1438	}
959		1439
960	sub find_active($) {	1440	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1441	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1442	and $cf::PLAYER{$_[0]}->active
…		…
965		1445
966	sub exists($) {	1446	sub exists($) {
967	my ($login) = @_;	1447	my ($login) = @_;
968		1448
969	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
971	}	1451	}
972		1452
973	sub find($) {	1453	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1455	my $login = $_[0];
976		1456
977	my $guard = cf::lock_acquire "user_find:$login";	1457	my $guard = cf::lock_acquire "user_find:$login";
978		1458
979	$cf::PLAYER{$_[0]} || do {	1459	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1460	# rename old playerfiles to new ones
		1461	#TODO: remove when no longer required
		1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1465	aio_unlink +(playerdir $login) . "/$login.pl";
		1466
		1467	my $f = new_from_file cf::object::thawer path $login
981	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
983	}	1476	}
984	}	1477	}
985	}	1478	}
986		1479
…		…
995	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
996		1489
997	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
999		1492
		1493	cf::get_slot 0.01;
		1494
1000	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1001	Coro::cede;	1496	cf::cede_to_tick;
1002	}	1497	}
1003		1498
1004	sub new($) {	1499	sub new($) {
1005	my ($login) = @_;	1500	my ($login) = @_;
1006		1501
…		…
1012	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1013		1508
1014	$self	1509	$self
1015	}	1510	}
1016		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1017	=item $pl->quit_character	1522	=item $pl->quit_character
1018		1523
1019	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1021		1526
…		…
1025	my ($pl) = @_;	1530	my ($pl) = @_;
1026		1531
1027	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1028		1533
1029	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1536
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1036		1543
1037	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1575	while and may block, so not sync_job-capable, ever.
1069		1576
1070	=cut	1577	=cut
1071		1578
1072	sub list_logins {	1579	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1580	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1581	or return [];
1075		1582
1076	my @logins;	1583	my @logins;
1077		1584
1078	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1082		1595
1083	utf8::decode $login;	1596	utf8::decode $login;
1084	push @logins, $login;	1597	push @logins, $login;
1085	}	1598	}
1086		1599
…		…
1113	}	1626	}
1114		1627
1115	\@paths	1628	\@paths
1116	}	1629	}
1117		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1119		1636
1120	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1121		1638
1122	=cut	1639	=cut
1123		1640
1124	sub ext_reply($$$%) {	1641	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1126		1643
1127	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1645	}
1131		1646
1132	package cf;	1647	=item $player->ext_msg ($type, @msg)
		1648
		1649	Sends an ext event to the client.
		1650
		1651	=cut
		1652
		1653	sub ext_msg($$@) {
		1654	my ($self, $type, @msg) = @_;
		1655
		1656	$self->ns->ext_msg ($type, @msg);
		1657	}
		1658
		1659	=head3 cf::region
		1660
		1661	=over 4
		1662
		1663	=cut
		1664
		1665	package cf::region;
		1666
		1667	=item cf::region::find_by_path $path
		1668
		1669	Tries to decuce the likely region for a map knowing only its path.
		1670
		1671	=cut
		1672
		1673	sub find_by_path($) {
		1674	my ($path) = @_;
		1675
		1676	my ($match, $specificity);
		1677
		1678	for my $region (list) {
		1679	if ($region->{match} && $path =~ $region->{match}) {
		1680	($match, $specificity) = ($region, $region->specificity)
		1681	if $region->specificity > $specificity;
		1682	}
		1683	}
		1684
		1685	$match
		1686	}
1133		1687
1134	=back	1688	=back
1135
1136		1689
1137	=head3 cf::map	1690	=head3 cf::map
1138		1691
1139	=over 4	1692	=over 4
1140		1693
…		…
1152	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1154		1707
1155	sub generate_random_map {	1708	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1157	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1714	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1196		1752
1197	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1198	local $self->{path};	1754	local $self->{path};
1199	local $self->{load_path};	1755	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1756
1203	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1204	}	1758	}
1205		1759
1206	sub normalise {	1760	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1254	return $self;	1808	return $self;
1255	}	1809	}
1256	}	1810	}
1257		1811
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1813	()
1260	}	1814	}
1261		1815
1262	sub init {	1816	sub init {
1263	my ($self) = @_;	1817	my ($self) = @_;
…		…
1278		1832
1279	# the original (read-only) location	1833	# the original (read-only) location
1280	sub load_path {	1834	sub load_path {
1281	my ($self) = @_;	1835	my ($self) = @_;
1282		1836
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1837	"$MAPDIR/$self->{path}.map"
1284	}	1838	}
1285		1839
1286	# the temporary/swap location	1840	# the temporary/swap location
1287	sub save_path {	1841	sub save_path {
1288	my ($self) = @_;	1842	my ($self) = @_;
1289		1843
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1845	"$TMPDIR/$path.map"
1292	}	1846	}
1293		1847
1294	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1295	sub uniq_path {	1849	sub uniq_path {
1296	my ($self) = @_;	1850	my ($self) = @_;
1297		1851
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1853	"$UNIQUEDIR/$path"
1300	}	1854	}
1301		1855
1302	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1303	# all maps in C++...	1857	# all maps in C++...
1304	sub change_all_map_light {	1858	sub change_all_map_light {
…		…
1306		1860
1307	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1309	}	1863	}
1310		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1311	sub unlink_save {	1873	sub unlink_save {
1312	my ($self) = @_;	1874	my ($self) = @_;
1313		1875
1314	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1880
1319	sub load_header_from($) {	1881	sub load_header_from($) {
1320	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1321		1883
1322	utf8::encode $path;	1884	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1328		1893
1329	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1330		1895
1331	1	1896	1
1332	}	1897	}
…		…
1371	$self->load_header_orig	1936	$self->load_header_orig
1372	or return;	1937	or return;
1373	$self->prepare_orig;	1938	$self->prepare_orig;
1374	}	1939	}
1375		1940
		1941	$self->{deny_reset} = 1
		1942	if $self->no_reset;
		1943
		1944	$self->default_region (cf::region::find_by_path $self->{path})
		1945	unless $self->default_region;
		1946
1376	1	1947	1
1377	}	1948	}
1378		1949
1379	sub find;	1950	sub find;
1380	sub find {	1951	sub find {
1381	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1382		1953
1383	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1384		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1386		1958
1387	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1389	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1390	or return;	1964	or return;
1391		1965
1392	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1393		1967
1394	$map->load_header	1968	$map->load_header
1395	or return;	1969	or return;
1396		1970
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1400	$map->reset;	1976	$map->reset;
1401	undef $guard;
1402	return find $path;	1977	return find $path;
1403	}	1978	}
1404		1979
1405	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1406	}	1981	}
…		…
1413	my ($self) = @_;	1988	my ($self) = @_;
1414		1989
1415	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1416		1991
1417	my $path = $self->{path};	1992	my $path = $self->{path};
		1993
		1994	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1419		1996
		1997	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1999
1422	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1423		2001
1424	$self->alloc;	2002	$self->alloc;
1425		2003
1426	$self->pre_load;	2004	$self->pre_load;
		2005	cf::cede_to_tick;
1427		2006
1428	$self->_load_objects ($self->{load_path}, 1)	2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
		2009	$self->_load_objects ($f)
1429	or return;	2010	or return;
1430		2011
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1432	if delete $self->{load_original};	2013	if delete $self->{load_original};
1433		2014
1434	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2016	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2019	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1439	}	2023	}
1440	}	2024	}
1441		2025
1442	Coro::cede;	2026	$f->resolve_delayed_derefs;
1443		2027
		2028	cf::cede_to_tick;
1444	# now do the right thing for maps	2029	# now do the right thing for maps
1445	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2032	unless $self->difficulty;
1455	Coro::cede;	2033	cf::cede_to_tick;
		2034
		2035	unless ($self->{deny_activate}) {
		2036	$self->decay_objects;
		2037	$self->fix_auto_apply;
		2038	$self->update_buttons;
		2039	cf::cede_to_tick;
		2040	$self->set_darkness_map;
		2041	cf::cede_to_tick;
1456	$self->activate;	2042	$self->activate;
		2043	}
		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
		2048	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2049	}
1458		2050
1459	$self->post_load;	2051	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2052	}
1463		2053
1464	sub customise_for {	2054	sub customise_for {
1465	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1466		2056
1467	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2058	if $self->per_player;
1469		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1470	$self	2063	$self
1471	}	2064	}
1472		2065
1473	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2067	sub load_neighbours {
1475	my ($map) = @_;	2068	my ($map) = @_;
1476		2069
1477	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1478		2071
1479	for (0 .. 3) {	2072	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1481	or next;	2074	or next;
1482	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1483	or next;	2076	or next;
1484	$neigh->load;	2077	$neigh->load;
1485		2078
		2079	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2082	}
1489		2083
1490	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1492	or next;	2087	or next;
1493	$neigh->load;	2088	$neigh->load;
1494	}	2089	}
1495	}	2090	}
1496		2091
…		…
1501	}	2096	}
1502		2097
1503	sub do_load_sync {	2098	sub do_load_sync {
1504	my ($map) = @_;	2099	my ($map) = @_;
1505		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1506	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1507	}	2105	}
1508		2106
1509	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1511		2109
1512	sub find_async {	2110	sub find_async {
1513	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1514		2112
1515	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1516		2114
1517	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2117	}
1520		2118
1521	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1522	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1523	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2126	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2127	$map->load if $v;
		2128	}
1528		2129
1529	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1530	}	2131	}
1531	}	2132	}
1532	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1533	};	2134	};
1534	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2138	}
1538		2139
1539	sub save {	2140	sub save {
1540	my ($self) = @_;	2141	my ($self) = @_;
1541		2142
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2144
1544	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1545		2146
1546	return unless $self->dirty;	2147	return unless $self->dirty;
1547		2148
…		…
1553	return if $self->{deny_save};	2154	return if $self->{deny_save};
1554		2155
1555	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1556		2157
1557	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1559	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1560		2164
1561	if ($uniq) {	2165	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2168	} else {
…		…
1570	my ($self) = @_;	2174	my ($self) = @_;
1571		2175
1572	# save first because save cedes	2176	# save first because save cedes
1573	$self->save;	2177	$self->save;
1574		2178
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2180
1577	return if $self->players;	2181	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2183	return if $self->{deny_save};
1580		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2189	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2190	}
1584		2191
1585	sub reset_at {	2192	sub reset_at {
1586	my ($self) = @_;	2193	my ($self) = @_;
1587		2194
1588	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1591		2197
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2200
…		…
1605	my ($self) = @_;	2211	my ($self) = @_;
1606		2212
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2214
1609	return if $self->players;	2215	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2216
1612	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1613		2218
1614	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1615		2220
1616	# need to save uniques path	2221	# need to save uniques path
1617	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2226	if $uniq;
1622	}	2227	}
1623		2228
1624	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1625		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2233	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2234
1630	$self->unlink_save;	2235	$self->unlink_save;
1631	$self->destroy;	2236	$self->destroy;
1632	}	2237	}
1633		2238
1634	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1635		2240
1636	sub nuke {	2241	sub nuke {
1637	my ($self) = @_;	2242	my ($self) = @_;
1638		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1639	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1640		2248
1641	$self->unlink_save;	2249	$self->unlink_save;
1642		2250
1643	bless $self, "cf::map";	2251	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2256
1649	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1650		2259
1651	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1652	}	2297	}
1653		2298
1654	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1655		2300
1656	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2302	instantiated unique items. May block.
1658		2303
1659	=cut	2304	=cut
1660		2305
1661	sub unique_maps() {	2306	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1663	or return;	2308	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2309	utf8::decode $_;
1669	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2312	? ()
1672	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2315	]
1674
1675	\@paths
1676	}	2316	}
1677
1678	package cf;
1679		2317
1680	=back	2318	=back
1681		2319
1682	=head3 cf::object	2320	=head3 cf::object
1683		2321
…		…
1687		2325
1688	=over 4	2326	=over 4
1689		2327
1690	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1691		2329
1692	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1693		2332
1694	=cut	2333	=cut
1695		2334
1696	sub inv_recursive_;	2335	sub inv_recursive_;
1697	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1700		2339
1701	sub inv_recursive {	2340	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1703	}	2342	}
1704		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1705	package cf;	2372	package cf;
1706		2373
1707	=back	2374	=back
1708		2375
1709	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1718		2385
1719	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1720		2401
1721	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2403	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1726		2407
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2409
1729	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1731	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1734	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1735	}	2435	}
1736		2436
1737	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1738		2438
1739	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1752		2452
1753	=item $player_object->enter_link	2453	=item $player_object->enter_link
1754		2454
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2456
1757	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1759		2461
1760	Will never block.	2462	Will never block.
1761		2463
1762	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1763		2465
…		…
1786	$self->deactivate_recursive;	2488	$self->deactivate_recursive;
1787		2489
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2490	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2491
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2493	if $self->map && $self->map->{path} ne "{link}";
1792		2494
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2496	}
1795		2497
1796	sub cf::object::player::leave_link {	2498	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2499	my ($self, $map, $x, $y) = @_;
		2500
		2501	return unless $self->contr->active;
1798		2502
1799	my $link_pos = delete $self->{_link_pos};	2503	my $link_pos = delete $self->{_link_pos};
1800		2504
1801	unless ($map) {	2505	unless ($map) {
1802	# restore original map position	2506	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1819		2523
1820	$map->load;	2524	$map->load;
1821	$map->load_diag;	2525	$map->load_neighbours;
1822		2526
1823	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2529	$self->activate_recursive;
1825		2530
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1828	}	2533	}
1829		2534
1830	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2536
1834	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1838	};	2541	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2542
1844	# try to abort aborted map switching on player login :)	2543	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2544	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2545
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1865		2549
1866	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2555
1869	$self->enter_link;	2556	$self->enter_link;
1870		2557
1871	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1872	my $map = eval {	2580	my $map = eval {
1873	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1875	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2596	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1880	})->prio (1);	2604	})->prio (1);
1881	}	2605	}
1882		2606
1883	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1884		2608
…		…
1904	}	2628	}
1905		2629
1906	sub prepare_random_map {	2630	sub prepare_random_map {
1907	my ($exit) = @_;	2631	my ($exit) = @_;
1908		2632
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2635	# that depends on the exit object
1914		2636
1915	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2639	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
1922	}	2646	}
1923		2647
1924	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1925		2649
1926	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1929		2653
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2656	undef $fh;
1933	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
1934		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
1937	}	2665	}
1938	}	2666	}
1939		2667
1940	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
1942		2670
1943	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
1944		2672
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2673	$self->enter_link;
1955		2674
1956	(async {	2675	(async {
1957	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
1958	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
1959	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
1960		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
1961	1;	2699	1
1962	}) {	2700	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2705
1968	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2707	$self->leave_link;
1970	}	2708	}
1971	})->prio (1);	2709	})->prio (1);
…		…
1987		2725
1988	utf8::encode $text;	2726	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2728	}
1991		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
		2881	=item $client->ext_msg ($type, @msg)
		2882
		2883	Sends an ext event to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_msg($$@) {
		2888	my ($self, $type, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
		2893	push @msg, msgtype => "event_$type";
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
1992		2915
1993	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
1994		2917
1995	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2919	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2921
1999	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2923	become reliable at some point in the future.
2001		2924
2002	=cut	2925	=cut
2003		2926
2004	sub cf::client::query {	2927	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2936	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2938
2016	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2018	}	2943	}
2019		2944
2020	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2021	on_reply => sub {	2951	on_reply => sub {
2022	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2023		2953
2024	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2025	# get handled first	2955	# get handled first
…		…
2037	} else {	2967	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2969	}
2040	}	2970	}
2041	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2042	);	2998	);
2043		2999
2044	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2045		3001
2046	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2089		3045
2090	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2091		3047
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2093		3053
2094	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2095		3055
2096	=pod	3056	=pod
2097		3057
2098	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2099		3059
2100	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2101	cf::object::player player	3064	cf::object::player
2102	cf::player peaceful	3065	player
2103	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2104		3072
2105	=cut	3073	=cut
2106		3074
2107	for (	3075	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2112	) {	3082	) {
2113	no strict 'refs';	3083	no strict 'refs';
…		…
2184	=back	3154	=back
2185		3155
2186	=cut	3156	=cut
2187		3157
2188	#############################################################################	3158	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3159	# the server's init and main functions
2262		3160
2263	sub load_facedata {	3161	sub load_facedata($) {
2264	my $path = sprintf "%s/facedata", cf::datadir;	3162	my ($path) = @_;
		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2265		3169
2266	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2267		3171
2268	my $faces;	3172	my $facedata;
2269	0 < aio_load $path, $faces	3173	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3174	or die "$path: $!";
2271		3175
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3176	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3177
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3178	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
		3188	{
		3189	my $faces = $facedata->{faceinfo};
		3190
2280	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193
		3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	Coro::cede;
2286	}
2287		3198
		3199	cf::cede_to_tick;
		3200	}
		3201
2288	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2289	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2290	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2291	or next;	3206	or next;
		3207
2292	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
2293	cf::face::set_smooth $idx, $smooth;	3209	cf::face::set_smooth $idx, $smooth;
		3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2294	} else {	3211	} else {
2295	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2296	}	3213	}
2297	Coro::cede;	3214
		3215	cf::cede_to_tick;
		3216	}
		3217	}
		3218
2298	}	3219	{
		3220	my $anims = $facedata->{animinfo};
		3221
		3222	while (my ($anim, $info) = each %$anims) {
		3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3224	cf::cede_to_tick;
		3225	}
		3226
		3227	cf::anim::invalidate_all; # d'oh
		3228	}
		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2299		3264
2300	1	3265	1
2301	}	3266	}
2302		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	}
		3329
		3330	sub reload_treasures {
		3331	load_resource_file "$DATADIR/treasures"
		3332	or die "unable to load treasurelists\n";
		3333	}
		3334
2303	sub reload_resources {	3335	sub reload_resources {
2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3336	warn "reloading resource files...\n";
2305	or die "unable to load regions file\n";#d#	3337
2306	load_facedata	3338	reload_facedata;
2307	or die "unable to load facedata\n";#d#	3339	reload_archetypes;
		3340	reload_regions;
		3341	reload_treasures;
		3342
		3343	warn "finished reloading resource files\n";
2308	}	3344	}
2309		3345
2310	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2311	reload_resources;	3351	reload_resources;
2312	}	3352	}
2313		3353
2314	sub cfg_load {	3354	sub reload_config {
2315	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2316	or return;	3356	or return;
2317		3357
2318	local $/;	3358	local $/;
2319	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2320		3360
2321	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2322		3362
2323	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2324	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2330	};	3370	};
2331	warn $@ if $@;	3371	warn $@ if $@;
2332	}	3372	}
2333	}	3373	}
2334		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2335	sub main {	3394	sub main {
		3395	atomic;
		3396
2336	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2337	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2339	(async {	3400	(async {
2340	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2341	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2342	};	3404	};
2343		3405
2344	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2345	db_init;	3409	db_init;
2346	load_extensions;	3410	load_extensions;
2347		3411
2348	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2349	Event::loop;	3420	EV::loop;
2350	}	3421	}
2351		3422
2352	#############################################################################	3423	#############################################################################
2353	# initialisation and cleanup	3424	# initialisation and cleanup
2354		3425
2355	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2356	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2357	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2358	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2359	reentrant => 0,
2360	data => WF_AUTOCANCEL,
2361	signal => $signal,
2362	prio => 0,
2363	cb => sub {
2364	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2365	},
2366	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2367	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2368	}	3513	}
2369		3514
2370	sub emergency_save() {	3515	sub emergency_save() {
2371	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2372		3517
…		…
2378	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2379	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2380	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2381	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2382	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2383	$pl->save;	3529	$pl->save;
2384	}	3530	}
2385	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2386		3532
2387	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2393	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2394		3540
2395	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2396	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2397	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2398	};	3548	};
2399		3549
2400	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2401	}	3551	}
2402		3552
2403	sub post_cleanup {	3553	sub post_cleanup {
2404	my ($make_core) = @_;	3554	my ($make_core) = @_;
2405		3555
2406	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2407	if $make_core;	3557	if $make_core;
2408	}
2409		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
		3587	}
		3588
2410	sub reload() {	3589	sub do_reload_perl() {
2411	# can/must only be called in main	3590	# can/must only be called in main
2412	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2413	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2414	return;	3593	return;
2415	}	3594	}
2416		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2417	warn "reloading...";	3599	warn "reloading...";
2418		3600
2419	warn "entering sync_job";	3601	warn "entering sync_job";
2420		3602
2421	cf::sync_job {	3603	cf::sync_job {
2422	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2423	cf::emergency_save;	3605	cf::emergency_save;
2424	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2425		3607
2426	warn "syncing database to disk";	3608	warn "syncing database to disk";
2427	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2428		3610
2429	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2430		3612
2431	warn "cancelling all WF_AUTOCANCEL watchers";
2432	for (Event::all_watchers) {
2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2434	}
2435
2436	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2437	for (;;) {
2438	BDB::flush;
2439	IO::AIO::flush;
2440	Coro::cede;
2441	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2442	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2443	}
2444
2445	++$RELOAD;
2446
2447	warn "cancelling all extension coros";
2448	$_->cancel for values %EXT_CORO;
2449	%EXT_CORO = ();
2450
2451	warn "removing commands";
2452	%COMMAND = ();
2453
2454	warn "removing ext commands";
2455	%EXTCMD = ();
2456
2457	warn "unloading/nuking all extensions";
2458	for my $pkg (@EXTS) {
2459	warn "... unloading $pkg";
2460
2461	if (my $cb = $pkg->can ("unload")) {
2462	eval {
2463	$cb->($pkg);
2464	1
2465	} or warn "$pkg unloaded, but with errors: $@";
2466	}	3616	}
2467		3617
2468	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2469	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2470	}	3620	%EXT_CORO = ();
2471		3621
2472	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2473	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2474	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2475		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2476	warn "... unloading $k";	3631	warn "... unloading $pkg";
2477	delete $INC{$k};
2478		3632
2479	$k =~ s/\.pm$//;
2480	$k =~ s/\//::/g;
2481
2482	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2483	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2484	}	3642	}
2485		3643
2486	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2487	}	3659	}
2488		3660
2489	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2490	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2492		3664
2493	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2494	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2495		3668
2496	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2497	# and global variables created in xs	3670	# and global variables created in xs
2498	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2499		3672
2500	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2501		3674
2502	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2503	require cf;	3676	require cf;
2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2505		3678
2506	warn "loading config and database again";	3679	warn "loading config and database again";
2507	cf::cfg_load;	3680	cf::reload_config;
2508		3681
2509	warn "loading extensions";	3682	warn "loading extensions";
2510	cf::load_extensions;	3683	cf::load_extensions;
2511		3684
2512	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2513	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2514	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2515	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2516	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2517	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2518		3691
2519	warn "loading reloadable resources";
2520	reload_resources;
2521
2522	warn "leaving sync_job";	3692	warn "leaving sync_job";
2523		3693
2524	1	3694	1
2525	} or do {	3695	} or do {
2526	warn $@;	3696	warn $@;
2527	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2528	exit 1;	3698	};
		3699
		3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
		3703	};
		3704
		3705	our $RELOAD_WATCHER; # used only during reload
		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
2529	};	3714	};
2530		3715	}
2531	warn "reloaded";
2532	};
2533
2534	our $RELOAD_WATCHER; # used only during reload
2535		3716
2536	register_command "reload" => sub {	3717	register_command "reload" => sub {
2537	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2538		3719
2539	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2540	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2541		3722	async {
2542	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2543	# coro crashes during coro_state_free->destroy here.
2544
2545	$RELOAD_WATCHER ||= Event->timer (
2546	reentrant => 0,
2547	after => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => sub {
2550	reload;	3724	reload_perl;
2551	undef $RELOAD_WATCHER;
2552	},
2553	);	3725	};
2554	}	3726	}
2555	};	3727	};
2556		3728
2557	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2558		3730
2559	my $bug_warning = 0;	3731	my $bug_warning = 0;
2560		3732
2561	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2562	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2563	parked => 1,	3735
2564	prio => 0,	3736	sub wait_for_tick {
2565	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2566	data => WF_AUTOCANCEL,	3738
2567	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2568	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2570	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2571	return;	3756	return;
2572	}	3757	}
2573		3758
2574	$NOW = Event::time;
2575
2576	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2577	$RUNTIME += $TICK;
2578	$NEXT_TICK += $TICK;
2579		3760
2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2581	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2582	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2583	write_runtime	3765	write_runtime_sync
2584	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2585	};
2586	}	3767	};
2587
2588	$WAIT_FOR_TICK->broadcast;
2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2590
2591	# my $AFTER = Event::time;
2592	# warn $AFTER - $NOW;#d#
2593
2594	# if we are delayed by four ticks or more, skip them all
2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2596
2597	$TICK_WATCHER->at ($NEXT_TICK);
2598	$TICK_WATCHER->start;
2599	},	3768	}
2600	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
2601		3788
2602	{	3789	{
2603	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2604	$BDB_POLL_WATCHER = Event->io (	3791
2605	reentrant => 0,
2606	fd => BDB::poll_fileno,
2607	poll => 'r',
2608	prio => 0,
2609	data => WF_AUTOCANCEL,
2610	cb => \&BDB::poll_cb,
2611	);
2612	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2613		3793	BDB::max_poll_reqs $TICK * 0.1;
2614	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2615	my $status;
2616	my $current = $Coro::current;
2617	(
2618	sub {
2619	$status = $!;
2620	$current->ready; undef $current;
2621	},
2622	sub {
2623	Coro::schedule while defined $current;
2624	$! = $status;
2625	},
2626	)
2627	};
2628		3795
2629	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2630	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2631		3803
2632	cf::sync_job {	3804	cf::sync_job {
2633	eval {	3805	eval {
2634	BDB::db_env_open	3806	BDB::db_env_open
2635	$DB_ENV,	3807	$DB_ENV,
2636	$BDB_ENV_DIR,	3808	$BDBDIR,
2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2639	0666;	3811	0666;
2640		3812
2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2642
2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2644	$DB_ENV->set_lk_detect;
2645	};	3814	};
2646		3815
2647	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2648	};	3817	};
2649	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
2650	}	3829	}
2651		3830
2652	{	3831	{
		3832	# configure IO::AIO
		3833
2653	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2654
2655	undef $Coro::AIO::WATCHER;
2656	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2657	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
2658	reentrant => 0,
2659	data => WF_AUTOCANCEL,
2660	fd => IO::AIO::poll_fileno,
2661	poll => 'r',
2662	prio => 6,
2663	cb => \&IO::AIO::poll_cb,
2664	);
2665	}	3837	}
		3838
		3839	my $_log_backtrace;
		3840
		3841	sub _log_backtrace {
		3842	my ($msg, @addr) = @_;
		3843
		3844	$msg =~ s/\n//;
		3845
		3846	# limit the # of concurrent backtraces
		3847	if ($_log_backtrace < 2) {
		3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
		3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
		3853	my @bt = fork_call {
		3854	@addr = map { sprintf "%x", $_ } @addr;
		3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3857	or die "addr2line: $!";
		3858
		3859	my @funcs;
		3860	my @res = <$fh>;
		3861	chomp for @res;
		3862	while (@res) {
		3863	my ($func, $line) = splice @res, 0, 2, ();
		3864	push @funcs, "[$func] $line";
		3865	}
		3866
		3867	@funcs
		3868	};
		3869
		3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3872	LOG llevInfo, "[ABT] $_\n" for @bt;
		3873	--$_log_backtrace;
		3874	};
		3875	} else {
		3876	LOG llevInfo, "[ABT] $msg\n";
		3877	LOG llevInfo, "[ABT] [suppressed]\n";
		3878	}
		3879	}
		3880
		3881	# load additional modules
		3882	use cf::pod;
2666		3883
2667	END { cf::emergency_save }	3884	END { cf::emergency_save }
2668		3885
2669	1	3886	1
2670		3887

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