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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	107	our $NEXT_TICK;
52	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
53		114
54	our %CFG;	115	our %CFG;
55		116
56	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
58		120
59	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		124
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		132
70	binmode STDOUT;	133	binmode STDOUT;
71	binmode STDERR;	134	binmode STDERR;
72		135
73	# read virtual server time, if available	136	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
78	}	141	}
79		142
80	mkdir cf::localdir;	143	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		145
86	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
87		147
88	sub cf::map::normalise;	148	sub cf::map::normalise;
89		149
…		…
100	=item $cf::RUNTIME	160	=item $cf::RUNTIME
101		161
102	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
103	every server tick.	163	every server tick.
104		164
105	=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
106		168
107	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		173
110	=item $cf::NOW	174	=item $cf::NOW
111		175
112	The time of the last (current) server tick.	176	The time of the last (current) server tick.
113		177
114	=item $cf::TICK	178	=item $cf::TICK
115		179
116	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	192	=item %cf::CFG
119		193
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	195	from wherever your confdir points to.
122		196
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		198
125	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
126	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
127	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.
128	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.
129		208
130	=back	209	=back
131		210
132	=cut	211	=cut
133		212
134	BEGIN {	213	BEGIN {
135	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	215	my $msg = join "", @_;
137	utf8::encode $msg;
138		216
139	$msg .= "\n"	217	$msg .= "\n"
140	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
141		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
142	LOG llevError, $msg;	222	LOG llevError, $msg;
143	};	223	};
144	}	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#?
145		240
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		248
153	# 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
154	# within the Safe compartment.	250	# within the Safe compartment.
155	for my $pkg (qw(	251	for my $pkg (qw(
156	cf::global cf::attachable	252	cf::global cf::attachable
157	cf::object cf::object::player	253	cf::object cf::object::player
158	cf::client cf::player	254	cf::client cf::player
159	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
160	cf::map cf::party cf::region	257	cf::party cf::region
161	)) {	258	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	260	}
165		261
166	$Event::DIED = sub {	262	$EV::DIED = sub {
167	warn "error in event callback: @_";	263	warn "error in event callback: @_";
168	};	264	};
		265
		266	#############################################################################
169		267
170	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
171		269
172	=over 4	270	=over 4
173		271
…		…
192	$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;
193	$d	291	$d
194	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
195	}	293	}
196		294
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
200		296
201	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
202		298
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
211		300
212	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
213		302
214	=cut	303	=cut
215		304
216	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
218	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
220		309
221	=item cf::lock_wait $string	310	=item cf::lock_wait $string
222		311
223	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
224		313
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
230	returned.	319	returned.
231		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
232	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
233	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
234		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
235	=cut	331	=cut
236		332
237	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
238		335
239	sub lock_wait($) {	336	sub lock_wait($) {
240	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
241		343
242	# wait for lock, if any	344	# wait for lock, if any
243	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	347	Coro::schedule;
…		…
251		353
252	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
253	lock_wait $key;	355	lock_wait $key;
254		356
255	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
256		359
257	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
260	}	364	}
261	}	365	}
262		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
263	sub freeze_mainloop {	373	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
265		375
266	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	377	}
268	$WRITE_RUNTIME_WATCHER->start;	378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
269	};	437	}
270	$WRITE_RUNTIME_WATCHER->stop;	438	};
271	$TICK_WATCHER->stop;	439
272	$guard	440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
273	}	452	}
274		453
275	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
276		455
277	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		461
283	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
284		463
285	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
286		465
287	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
290		470
291	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
294	fast or be very important.	474	fast or be very important.
…		…
297		477
298	sub sync_job(&) {	478	sub sync_job(&) {
299	my ($job) = @_;	479	my ($job) = @_;
300		480
301	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
302	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
304		486
305	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	488
307	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
308		490
309	my $busy = 1;	491	my $busy = 1;
310	my @res;	492	my @res;
311		493
312	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	496	@res = eval { $job->() };
314	warn $@ if $@;	497	warn $@ if $@;
315	undef $busy;	498	undef $busy;
316	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
317		500
318	while ($busy) {	501	while ($busy) {
319	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
320	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
321		512
322	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
323	} else {	514	} else {
324	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
325		516
…		…
345	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
346		537
347	$coro	538	$coro
348	}	539	}
349		540
350	sub write_runtime {	541	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		542
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	543	Executes the given code block with the given arguments in a seperate
354	or return;	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
355		547
356	my $value = $cf::RUNTIME + 90 + 10;	548	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		549
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	sub fork_call(&@) {
361	and return;	551	my ($cb, @args) = @_;
362		552
363	aio_fsync $fh	553	# we seemingly have to make a local copy of the whole thing,
364	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
365		556
366	close $fh	557	my @res = Coro::Util::fork_eval {
367	or return;	558	reset_signals;
		559	&$cb
		560	}, @args;
368		561
369	aio_rename "$runtime~", $runtime	562	wantarray ? @res : $res[-1]
370	and return;	563	}
371		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
372	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
		717	}
		718
		719	=item cf::datalog type => key => value, ...
		720
		721	Log a datalog packet of the given type with the given key-value pairs.
		722
		723	=cut
		724
		725	sub datalog($@) {
		726	my ($type, %kv) = @_;
		727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	728	}
374		729
375	=back	730	=back
376		731
377	=cut	732	=cut
378		733
379	#############################################################################	734	#############################################################################
380		735
381	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
382		737
383	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
386		741
387	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	744	Deliantra).
390		745
391	=over 4	746	=over 4
392		747
393	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
394		749
…		…
438	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
439		794
440	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
442		797
443	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
445		800
446	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
447		802
448	=over 4	803	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
558		913
559	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		918
564	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	920	my $pkg = shift @arg;
566		921
567	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
597	}	952	}
598		953
599	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
600	} else {	955	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	957	}
603		958
604	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
605	}	960	}
606		961
…		…
608	if (ref $_[0]) {	963	if (ref $_[0]) {
609	_object_attach @_;	964	_object_attach @_;
610	} else {	965	} else {
611	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
612	}	967	}
		968	_recalc_want;
613	};	969	};
614		970
615	# all those should be optimised	971	# all those should be optimised
616	sub cf::attachable::detach {	972	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
621	reattach ($obj);	977	reattach ($obj);
622	} else {	978	} else {
623	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
624	}	980	}
		981	_recalc_want;
625	};	982	};
626		983
627	sub cf::attachable::attached {	984	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
629		986
…		…
644	";	1001	";
645	die if $@;	1002	die if $@;
646	}	1003	}
647		1004
648	our $override;	1005	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1007
651	sub override {	1008	sub override {
652	$override = 1;	1009	$override = 1;
653	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
654	}	1011	}
655		1012
656	sub do_invoke {	1013	sub do_invoke {
657	my $event = shift;	1014	my $event = shift;
658	my $callbacks = shift;	1015	my $callbacks = shift;
659		1016
660	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
661		1018
662	local $override;	1019	local $override;
663		1020
664	for (@$callbacks) {	1021	for (@$callbacks) {
665	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
674	}	1031	}
675		1032
676	0	1033	0
677	}	1034	}
678		1035
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1037
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1039
683	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
684		1041
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1045
689	=back	1046	=back
690		1047
691	=cut	1048	=cut
692		1049
693	#############################################################################	1050	#############################################################################
694	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
695		1094
696	sub reattach {	1095	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1097	my ($obj) = @_;
699		1098
		1099	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1101
702	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
703		1103
704	@$registry = ();	1104	@$registry = ();
705		1105
…		…
720	cf::attachable->attach (	1120	cf::attachable->attach (
721	prio => -1000000,	1121	prio => -1000000,
722	on_instantiate => sub {	1122	on_instantiate => sub {
723	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
724		1124
725	$data = from_json $data;	1125	$data = decode_json $data;
726		1126
727	for (@$data) {	1127	for (@$data) {
728	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
729		1129
730	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1146	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
748		1148
749	sync_job {	1149	sync_job {
750	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
753		1154
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1158	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1159	aio_close $fh;
759		1160
760	if (@$objs) {	1161	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1166	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1167	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
768	}	1169	}
769	} else {	1170	} else {
770	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
771	}	1172	}
…		…
776	}	1177	}
777	} else {	1178	} else {
778	aio_unlink $filename;	1179	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
780	}	1181	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1182	};
788	}	1183	}
789		1184
790	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
792		1187
…		…
797		1192
798	sub object_thawer_load {	1193	sub object_thawer_load {
799	my ($filename) = @_;	1194	my ($filename) = @_;
800		1195
801	my ($data, $av);	1196	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1197
806	(aio_load $filename, $data) >= 0	1198	(aio_load $filename, $data) >= 0
807	or return;	1199	or return;
808		1200
809	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
811	or return;	1203	or return;
		1204
812	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
813	}	1207	}
814		1208
		1209	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
817	return ($data, $av);	1213	($data, $av)
818	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
819		1221
820	#############################################################################	1222	#############################################################################
821	# command handling &c	1223	# command handling &c
822		1224
823	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1239	}
838		1240
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1242
841	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
842		1248
843	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
844	called.	1250	called.
845		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
846	=cut	1263	=cut
847		1264
848	sub register_extcmd {	1265	sub register_extcmd {
849	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
850		1267
851	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
852	}	1275	}
853		1276
854	cf::player->attach (	1277	cf::player->attach (
855	on_command => sub {	1278	on_command => sub {
856	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1288	cf::override;
866	},	1289	},
867	on_extcmd => sub {	1290	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
869		1292
870	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1294
872	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
878	} else {	1310	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1312	}
881		1313
882	cf::override;	1314	cf::override;
883	},	1315	},
884	);	1316	);
885		1317
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
921	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1323	next unless -r $path;
923	eval {	1324
924	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
925	1	1381	}
926	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
927	}	1387	};
928	}	1388	}
929		1389
930	#############################################################################	1390	#############################################################################
931		1391
		1392	=back
		1393
932	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
933		1395
934	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
935		1397
936	=cut	1398	=cut
937		1399
938	package cf::player;	1400	package cf::player;
939		1401
…		…
941		1403
942	=head3 cf::player	1404	=head3 cf::player
943		1405
944	=over 4	1406	=over 4
945		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
946	=item cf::player::find $login	1422	=item cf::player::find $login
947		1423
948	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
949		1425
950	=cut	1426	=cut
951		1427
952	sub playerdir($) {	1428	sub playerdir($) {
953	cf::localdir	1429	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1431	}
959		1432
960	sub path($) {	1433	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1435
963	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
964	}	1437	}
965		1438
966	sub find_active($) {	1439	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1454	my $login = $_[0];
982		1455
983	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
984		1457
985	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1459	# rename old playerfiles to new ones
		1460	#TODO: remove when no longer required
		1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1464	aio_unlink +(playerdir $login) . "/$login.pl";
		1465
		1466	my $f = new_from_file cf::object::thawer path $login
987	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
989	}	1475	}
990	}	1476	}
991	}	1477	}
992		1478
…		…
1001	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1002		1488
1003	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1005		1491
		1492	cf::get_slot 0.01;
		1493
1006	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1007	Coro::cede;	1495	cf::cede_to_tick;
1008	}	1496	}
1009		1497
1010	sub new($) {	1498	sub new($) {
1011	my ($login) = @_;	1499	my ($login) = @_;
1012		1500
…		…
1018	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1019		1507
1020	$self	1508	$self
1021	}	1509	}
1022		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1023	=item $pl->quit_character	1521	=item $pl->quit_character
1024		1522
1025	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1027		1525
1028	=cut	1526	=cut
1029		1527
1030	sub quit_character {	1528	sub quit_character {
1031	my ($pl) = @_;	1529	my ($pl) = @_;
1032		1530
		1531	my $name = $pl->ob->name;
		1532
1033	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1535
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1040		1542
1041	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1545	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1546	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1547	$pl->destroy;
		1548
		1549	my $prefix = qr<^~\Q$name\E/>;
		1550
		1551	# nuke player maps
		1552	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1553
1046	IO::AIO::aio_rmtree $temp;	1554	IO::AIO::aio_rmtree $temp;
		1555	}
		1556
		1557	=item $pl->kick
		1558
		1559	Kicks a player out of the game. This destroys the connection.
		1560
		1561	=cut
		1562
		1563	sub kick {
		1564	my ($pl, $kicker) = @_;
		1565
		1566	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1567	$pl->killer ("kicked");
		1568	$pl->ns->destroy;
1047	}	1569	}
1048		1570
1049	=item cf::player::list_logins	1571	=item cf::player::list_logins
1050		1572
1051	Returns am arrayref of all valid playernames in the system, can take a	1573	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1053		1575
1054	=cut	1576	=cut
1055		1577
1056	sub list_logins {	1578	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1580	or return [];
1059		1581
1060	my @logins;	1582	my @logins;
1061		1583
1062	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1066		1594
1067	utf8::decode $login;	1595	utf8::decode $login;
1068	push @logins, $login;	1596	push @logins, $login;
1069	}	1597	}
1070		1598
…		…
1097	}	1625	}
1098		1626
1099	\@paths	1627	\@paths
1100	}	1628	}
1101		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1103		1635
1104	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1105		1637
1106	=cut	1638	=cut
1107		1639
1108	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1110		1642
1111	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1644	}
1115		1645
1116	package cf;	1646	=item $player->ext_msg ($type, @msg)
		1647
		1648	Sends an ext event to the client.
		1649
		1650	=cut
		1651
		1652	sub ext_msg($$@) {
		1653	my ($self, $type, @msg) = @_;
		1654
		1655	$self->ns->ext_msg ($type, @msg);
		1656	}
		1657
		1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1117		1686
1118	=back	1687	=back
1119
1120		1688
1121	=head3 cf::map	1689	=head3 cf::map
1122		1690
1123	=over 4	1691	=over 4
1124		1692
…		…
1136	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1138		1706
1139	sub generate_random_map {	1707	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1141	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1713	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1180		1751
1181	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1182	local $self->{path};	1753	local $self->{path};
1183	local $self->{load_path};	1754	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1755
1187	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1188	}	1757	}
1189		1758
1190	sub normalise {	1759	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1238	return $self;	1807	return $self;
1239	}	1808	}
1240	}	1809	}
1241		1810
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1812	()
1244	}	1813	}
1245		1814
1246	sub init {	1815	sub init {
1247	my ($self) = @_;	1816	my ($self) = @_;
…		…
1262		1831
1263	# the original (read-only) location	1832	# the original (read-only) location
1264	sub load_path {	1833	sub load_path {
1265	my ($self) = @_;	1834	my ($self) = @_;
1266		1835
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1268	}	1837	}
1269		1838
1270	# the temporary/swap location	1839	# the temporary/swap location
1271	sub save_path {	1840	sub save_path {
1272	my ($self) = @_;	1841	my ($self) = @_;
1273		1842
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1276	}	1845	}
1277		1846
1278	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1279	sub uniq_path {	1848	sub uniq_path {
1280	my ($self) = @_;	1849	my ($self) = @_;
1281		1850
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1284	}	1853	}
1285		1854
1286	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1287	# all maps in C++...	1856	# all maps in C++...
1288	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1290		1859
1291	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1293	}	1862	}
1294		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1295	sub unlink_save {	1872	sub unlink_save {
1296	my ($self) = @_;	1873	my ($self) = @_;
1297		1874
1298	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1878	}
1307		1879
1308	sub load_header_from($) {	1880	sub load_header_from($) {
1309	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1310		1882
1311	utf8::encode $path;	1883	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1317		1892
1318	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1319		1894
1320	1	1895	1
1321	}	1896	}
…		…
1360	$self->load_header_orig	1935	$self->load_header_orig
1361	or return;	1936	or return;
1362	$self->prepare_orig;	1937	$self->prepare_orig;
1363	}	1938	}
1364		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1365	1	1946	1
1366	}	1947	}
1367		1948
1368	sub find;	1949	sub find;
1369	sub find {	1950	sub find {
1370	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1371		1952
1372	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1373		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1375		1957
1376	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1377	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1378	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1379	or return;	1963	or return;
1380		1964
1381	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1382		1966
1383	$map->load_header	1967	$map->load_header
1384	or return;	1968	or return;
1385		1969
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1389	$map->reset;	1975	$map->reset;
1390	undef $guard;
1391	return find $path;	1976	return find $path;
1392	}	1977	}
1393		1978
1394	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1395	}	1980	}
…		…
1402	my ($self) = @_;	1987	my ($self) = @_;
1403		1988
1404	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1405		1990
1406	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1408		1995
		1996	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		1998
1411	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1412		2000
1413	$self->alloc;	2001	$self->alloc;
1414		2002
1415	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1416		2005
1417	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1418	or return;	2009	or return;
1419		2010
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1421	if delete $self->{load_original};	2012	if delete $self->{load_original};
1422		2013
1423	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2015	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2018	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1428	}	2022	}
1429	}	2023	}
1430		2024
1431	Coro::cede;	2025	$f->resolve_delayed_derefs;
1432		2026
		2027	cf::cede_to_tick;
1433	# now do the right thing for maps	2028	# now do the right thing for maps
1434	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2031	unless $self->difficulty;
1444	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1445	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2048	}
1447		2049
1448	$self->post_load;	2050	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2051	}
1452		2052
1453	sub customise_for {	2053	sub customise_for {
1454	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1455		2055
1456	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2057	if $self->per_player;
1458		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1459	$self	2062	$self
1460	}	2063	}
1461		2064
1462	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2066	sub load_neighbours {
1464	my ($map) = @_;	2067	my ($map) = @_;
1465		2068
1466	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1467		2070
1468	for (0 .. 3) {	2071	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1470	or next;	2073	or next;
1471	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1472	or next;	2075	or next;
1473	$neigh->load;	2076	$neigh->load;
1474		2077
		2078	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2081	}
1478		2082
1479	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1481	or next;	2086	or next;
1482	$neigh->load;	2087	$neigh->load;
1483	}	2088	}
1484	}	2089	}
1485		2090
…		…
1490	}	2095	}
1491		2096
1492	sub do_load_sync {	2097	sub do_load_sync {
1493	my ($map) = @_;	2098	my ($map) = @_;
1494		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1495	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1496	}	2104	}
1497		2105
1498	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1500		2108
1501	sub find_async {	2109	sub find_async {
1502	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1503		2111
1504	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1505		2113
1506	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2116	}
1509		2117
1510	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1511	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1512	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2125	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2126	$map->load if $v;
		2127	}
1517		2128
1518	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1519	}	2130	}
1520	}	2131	}
1521	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1522	};	2133	};
1523	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2137	}
1527		2138
1528	sub save {	2139	sub save {
1529	my ($self) = @_;	2140	my ($self) = @_;
1530		2141
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2143
1533	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1534		2145
1535	return unless $self->dirty;	2146	return unless $self->dirty;
1536		2147
…		…
1542	return if $self->{deny_save};	2153	return if $self->{deny_save};
1543		2154
1544	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1545		2156
1546	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1548	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1549		2163
1550	if ($uniq) {	2164	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2167	} else {
…		…
1559	my ($self) = @_;	2173	my ($self) = @_;
1560		2174
1561	# save first because save cedes	2175	# save first because save cedes
1562	$self->save;	2176	$self->save;
1563		2177
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2179
1566	return if $self->players;	2180	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2182	return if $self->{deny_save};
1569		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2188	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2189	}
1573		2190
1574	sub reset_at {	2191	sub reset_at {
1575	my ($self) = @_;	2192	my ($self) = @_;
1576		2193
1577	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1580		2196
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2199
…		…
1594	my ($self) = @_;	2210	my ($self) = @_;
1595		2211
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2213
1598	return if $self->players;	2214	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2215
1601	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
		2217
		2218	$self->in_memory (cf::MAP_SWAPPED);
		2219
		2220	# need to save uniques path
		2221	unless ($self->{deny_save}) {
		2222	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2223
		2224	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2225	if $uniq;
		2226	}
1602		2227
1603	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1604		2229
1605	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2232	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2233
1610	$self->unlink_save;	2234	$self->unlink_save;
1611	$self->destroy;	2235	$self->destroy;
1612	}	2236	}
1613		2237
1614	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1615		2239
1616	sub nuke {	2240	sub nuke {
1617	my ($self) = @_;	2241	my ($self) = @_;
1618		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1619	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1620		2247
1621	$self->unlink_save;	2248	$self->unlink_save;
1622		2249
1623	bless $self, "cf::map";	2250	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2255
1629	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1630		2258
1631	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1632	}	2296	}
1633		2297
1634	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1635		2299
1636	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2301	instantiated unique items. May block.
1638		2302
1639	=cut	2303	=cut
1640		2304
1641	sub unique_maps() {	2305	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1643	or return;	2307	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2308	utf8::decode $_;
1649	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2311	? ()
1652	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2314	]
1654
1655	\@paths
1656	}	2315	}
1657
1658	package cf;
1659		2316
1660	=back	2317	=back
1661		2318
1662	=head3 cf::object	2319	=head3 cf::object
1663		2320
…		…
1667		2324
1668	=over 4	2325	=over 4
1669		2326
1670	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1671		2328
1672	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1673		2331
1674	=cut	2332	=cut
1675		2333
1676	sub inv_recursive_;	2334	sub inv_recursive_;
1677	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1680		2338
1681	sub inv_recursive {	2339	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1683	}	2341	}
1684		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1685	package cf;	2371	package cf;
1686		2372
1687	=back	2373	=back
1688		2374
1689	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1698		2384
1699	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1700		2400
1701	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2402	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1706		2406
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2408
1709	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1711	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1714	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1715	}	2434	}
1716		2435
1717	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1718		2437
1719	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1732		2451
1733	=item $player_object->enter_link	2452	=item $player_object->enter_link
1734		2453
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2455
1737	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1739		2460
1740	Will never block.	2461	Will never block.
1741		2462
1742	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1743		2464
…		…
1766	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1767		2488
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2490
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1772		2493
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2495	}
1775		2496
1776	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1778		2501
1779	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1780		2503
1781	unless ($map) {	2504	unless ($map) {
1782	# restore original map position	2505	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1799		2522
1800	$map->load;	2523	$map->load;
1801	$map->load_diag;	2524	$map->load_neighbours;
1802		2525
1803	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1804	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1806	}	2532	}
1807		2533
1808	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2535
1812	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1816	};	2540	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2541
1822	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1823	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2544
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1843		2548
1844	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2554
1847	$self->enter_link;	2555	$self->enter_link;
1848		2556
1849	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1850	my $map = eval {	2579	my $map = eval {
1851	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1853	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2595	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1858	})->prio (1);	2603	})->prio (1);
1859	}	2604	}
1860		2605
1861	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1862		2607
…		…
1882	}	2627	}
1883		2628
1884	sub prepare_random_map {	2629	sub prepare_random_map {
1885	my ($exit) = @_;	2630	my ($exit) = @_;
1886		2631
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2634	# that depends on the exit object
1892		2635
1893	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2638	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1900	}	2645	}
1901		2646
1902	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1903		2648
1904	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1907		2652
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2655	undef $fh;
1911	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1912		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1915	}	2664	}
1916	}	2665	}
1917		2666
1918	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1920		2669
1921	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1922		2671
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2672	$self->enter_link;
1933		2673
1934	(async {	2674	(async {
1935	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1936	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1937	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1938		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1939	1;	2698	1
1940	}) {	2699	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2704
1946	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2706	$self->leave_link;
1948	}	2707	}
1949	})->prio (1);	2708	})->prio (1);
…		…
1962		2721
1963	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1965		2724
1966	utf8::encode $text;	2725	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2727	}
1969		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
		2874	=item $client->ext_msg ($type, @msg)
		2875
		2876	Sends an ext event to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_msg($$@) {
		2881	my ($self, $type, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
		2886	push @msg, msgtype => "event_$type";
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
		2907	}
1970		2908
1971	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
1972		2910
1973	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2914
1977	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2916	become reliable at some point in the future.
1979		2917
1980	=cut	2918	=cut
1981		2919
1982	sub cf::client::query {	2920	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2929	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2931
1994	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
1996	}	2936	}
1997		2937
1998	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
1999	on_reply => sub {	2944	on_reply => sub {
2000	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2001		2946
2002	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2003	# get handled first	2948	# get handled first
…		…
2015	} else {	2960	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	2962	}
2018	}	2963	}
2019	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2020	);	2991	);
2021		2992
2022	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2023		2994
2024	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2065	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2067		3038
2068	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2069		3040
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2071		3046
2072	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2073		3048
2074	=pod	3049	=pod
2075		3050
2076	The following fucntions and emthods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2077		3052
2078	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2079	cf::object::player player	3057	cf::object::player
2080	cf::player peaceful	3058	player
2081	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2082		3065
2083	=cut	3066	=cut
2084		3067
2085	for (	3068	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2087	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2089	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2090	) {	3075	) {
2091	no strict 'refs';	3076	no strict 'refs';
…		…
2162	=back	3147	=back
2163		3148
2164	=cut	3149	=cut
2165		3150
2166	#############################################################################	3151	#############################################################################
		3152	# the server's init and main functions
2167		3153
2168	=head2 EXTENSION DATABASE SUPPORT	3154	sub load_facedata($) {
		3155	my ($path) = @_;
2169		3156
2170	Crossfire maintains a very simple database for extension use. It can	3157	# HACK to clear player env face cache, we need some signal framework
2171	currently store anything that can be serialised using Storable, which	3158	# for this (global event?)
2172	excludes objects.	3159	%ext::player_env::MUSIC_FACE_CACHE = ();
2173		3160
2174	The parameter C<$family> should best start with the name of the extension	3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2175	using it, it should be unique.
2176		3162
2177	=over 4	3163	warn "loading facedata from $path\n";
2178		3164
2179	=item $hashref = cf::db_get $family	3165	my $facedata;
		3166	0 < aio_load $path, $facedata
		3167	or die "$path: $!";
2180		3168
2181	Return a hashref for use by the extension C<$family>, which can be	3169	$facedata = Coro::Storable::thaw $facedata;
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184		3170
2185	=item $value = cf::db_get $family => $key	3171	$facedata->{version} == 2
		3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
2186		3173
2187	Returns a single value from the database	3174	# patch in the exptable
2188		3175	$facedata->{resource}{"res/exp_table"} = {
2189	=item cf::db_put $family => $hashref	3176	type => FT_RSRC,
2190		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3178	};
		3179	cf::cede_to_tick;
2217		3180
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3181	{
		3182	my $faces = $facedata->{faceinfo};
2229		3183
2230	my $dirty;	3184	while (my ($face, $info) = each %$faces) {
		3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3186
2232	sub db_sync() {	3187	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3188	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2235	}	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236		3191
2237	my $idle = Event->idle (	3192	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3193	}
2271	);
2272	}
2273		3194
2274	#############################################################################	3195	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3196	next unless $info->{smooth};
2276		3197
2277	sub cfg_load {	3198	my $idx = cf::face::find $face
		3199	or next;
		3200
		3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
		3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3204	} else {
		3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3206	}
		3207
		3208	cf::cede_to_tick;
		3209	}
		3210	}
		3211
		3212	{
		3213	my $anims = $facedata->{animinfo};
		3214
		3215	while (my ($anim, $info) = each %$anims) {
		3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3217	cf::cede_to_tick;
		3218	}
		3219
		3220	cf::anim::invalidate_all; # d'oh
		3221	}
		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
		3258	1
		3259	}
		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
		3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
		3304	load_resource_file "$MAPDIR/regions"
		3305	or die "unable to load regions file\n";
		3306
		3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
		3311	}
		3312
		3313	sub reload_facedata {
		3314	load_facedata "$DATADIR/facedata"
		3315	or die "unable to load facedata\n";
		3316	}
		3317
		3318	sub reload_archetypes {
		3319	load_resource_file "$DATADIR/archetypes"
		3320	or die "unable to load archetypes\n";
		3321	}
		3322
		3323	sub reload_treasures {
		3324	load_resource_file "$DATADIR/treasures"
		3325	or die "unable to load treasurelists\n";
		3326	}
		3327
		3328	sub reload_resources {
		3329	warn "reloading resource files...\n";
		3330
		3331	reload_facedata;
		3332	reload_archetypes;
		3333	reload_regions;
		3334	reload_treasures;
		3335
		3336	warn "finished reloading resource files\n";
		3337	}
		3338
		3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
		3344	reload_resources;
		3345	}
		3346
		3347	sub reload_config {
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2279	or return;	3349	or return;
2280		3350
2281	local $/;	3351	local $/;
2282	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2283		3353
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2285		3355
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2293	};	3363	};
2294	warn $@ if $@;	3364	warn $@ if $@;
2295	}	3365	}
2296	}	3366	}
2297		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2298	sub main {	3387	sub main {
		3388	atomic;
		3389
2299	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3393	(async {
2303	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2305	};	3397	};
2306		3398
2307	cfg_load;	3399	{
2308	db_load;	3400	my $guard = freeze_mainloop;
		3401	reload_config;
		3402	db_init;
2309	load_extensions;	3403	load_extensions;
2310		3404
2311	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2312	Event::loop;	3413	EV::loop;
2313	}	3414	}
2314		3415
2315	#############################################################################	3416	#############################################################################
2316	# initialisation and cleanup	3417	# initialisation and cleanup
2317		3418
2318	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2319	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2328	},
2329	);	3425	};
		3426	}
		3427	}
		3428
		3429	sub write_runtime_sync {
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2330	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2331	}	3506	}
2332		3507
2333	sub emergency_save() {	3508	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2335		3510
…		…
2341	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2343	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3522	$pl->save;
2347	}	3523	}
2348	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2349		3525
2350	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2352	my $map = $cf::MAP{$path} or next;	3528	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3529	$map->valid or next;
2354	$map->save;	3530	$map->save;
2355	}	3531	}
2356	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
		3533
		3534	warn "begin emergency database checkpoint\n";
		3535	BDB::db_env_txn_checkpoint $DB_ENV;
		3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2357	};	3541	};
2358		3542
2359	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2360	}	3544	}
2361		3545
		3546	sub post_cleanup {
		3547	my ($make_core) = @_;
		3548
		3549	warn Carp::longmess "post_cleanup backtrace"
		3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
		3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
		3583
2362	sub reload() {	3584	sub do_reload_perl() {
2363	# can/must only be called in main	3585	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2366	return;	3588	return;
2367	}	3589	}
2368		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2369	warn "reloading...";	3594	warn "reloading...";
2370		3595
2371	warn "cancelling server ticker";	3596	warn "entering sync_job";
2372	$TICK_WATCHER->cancel;
2373		3597
		3598	cf::sync_job {
		3599	cf::write_runtime_sync; # external watchdog should not bark
2374	cf::emergency_save;	3600	cf::emergency_save;
		3601	cf::write_runtime_sync; # external watchdog should not bark
2375		3602
2376	eval {	3603	warn "syncing database to disk";
		3604	BDB::db_env_txn_checkpoint $DB_ENV;
		3605
2377	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2378		3607
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386
2387	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2388	for (;;) {	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2389	IO::AIO::flush;	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2390	Coro::cede;
2391	last unless IO::AIO::nreqs;
2392	warn "iterate...";
2393	}
2394
2395	warn "cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();
2398
2399	warn "removing commands";
2400	%COMMAND = ();
2401
2402	warn "removing ext commands";
2403	%EXTCMD = ();
2404
2405	warn "unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";
2408
2409	if (my $cb = $pkg->can ("unload")) {
2410	eval {
2411	$cb->($pkg);
2412	1
2413	} or warn "$pkg unloaded, but with errors: $@";
2414	}	3611	}
2415		3612
2416	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2417	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2418	}	3615	%EXT_CORO = ();
2419		3616
2420	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2421	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2423		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2424	warn "... unloading $k";	3626	warn "... unloading $pkg";
2425	delete $INC{$k};
2426		3627
2427	$k =~ s/\.pm$//;
2428	$k =~ s/\//::/g;
2429
2430	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2431	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2432	}	3637	}
2433		3638
2434	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2435	}	3654	}
2436		3655
2437	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2438	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3659
2441	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
		3662	delete $INC{"cf/pod.pm"};
2443		3663
2444	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3665	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2447		3667
2448	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2449		3669
2450	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2451	require cf;	3671	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2453		3673
2454	warn "loading config and database again";	3674	warn "loading config and database again";
2455	cf::cfg_load;	3675	cf::reload_config;
2456	cf::db_load;
2457		3676
2458	warn "loading extensions";	3677	warn "loading extensions";
2459	cf::load_extensions;	3678	cf::load_extensions;
2460		3679
2461	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2462	_global_reattach;	3681	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
		3684	warn "reattaching attachments to players";
		3685	reattach $_ for values %PLAYER;
2465		3686
2466	warn "restarting server ticker";	3687	warn "leaving sync_job";
2467		3688
2468	$TICK_WATCHER->start;	3689	1
		3690	} or do {
		3691	warn $@;
		3692	cf::cleanup "error while reloading, exiting.";
		3693	};
		3694
		3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
		3698	};
		3699
		3700	our $RELOAD_WATCHER; # used only during reload
		3701
		3702	sub reload_perl() {
		3703	# doing reload synchronously and two reloads happen back-to-back,
		3704	# coro crashes during coro_state_free->destroy here.
		3705
		3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3707	do_reload_perl;
		3708	undef $RELOAD_WATCHER;
2469	};	3709	};
2470		3710	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		3711
2482	register_command "reload" => sub {	3712	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2484		3714
2485	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
2487		3717	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3718	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3719	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3720	};
2500	}	3721	}
2501	};	3722	};
2502		3723
2503	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2504		3725
2505	my $bug_warning = 0;	3726	my $bug_warning = 0;
2506		3727
2507	$TICK_WATCHER = Event->timer (	3728	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3729	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3730
2510	prio => 0,	3731	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	3733
2513	cb => sub {	3734	my $signal = new Coro::Signal;
		3735	push @WAIT_FOR_TICK, $signal;
		3736	$signal->wait;
		3737	}
		3738
		3739	sub wait_for_tick_begin {
		3740	return if tick_inhibit || $Coro::current == $Coro::main;
		3741
		3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK_BEGIN, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub tick {
2514	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2517	return;	3751	return;
2518	}	3752	}
2519		3753
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		3755
2526	$WAIT_FOR_TICK->broadcast;	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2528		3758	Coro::async_pool {
2529	Event::sweep;	3759	$Coro::current->{desc} = "runtime saver";
2530	Coro::cede_notself;
2531
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},
2541	);
2542
2543	IO::AIO::max_poll_time $TICK * 0.1;
2544
2545	undef $Coro::AIO::WATCHER;
2546	$AIO_POLL_WATCHER = Event->io (
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554
2555	$WRITE_RUNTIME_WATCHER = Event->timer (
2556	reentrant => 0,
2557	data => WF_AUTOCANCEL,
2558	after => 1,
2559	interval => 10,
2560	prio => 6, # keep it lowest so it acts like a watchdog
2561	cb => Coro::unblock_sub {
2562	write_runtime	3760	write_runtime_sync
2563	or warn "ERROR: unable to write runtime file: $!";	3761	or warn "ERROR: unable to write runtime file: $!";
		3762	};
2564	},	3763	}
2565	);	3764
		3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3766	$sig->send;
		3767	}
		3768	while (my $sig = shift @WAIT_FOR_TICK) {
		3769	$sig->send;
		3770	}
		3771
		3772	$LOAD = ($NOW - $TICK_START) / $TICK;
		3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3774
		3775	if (0) {
		3776	if ($NEXT_TICK) {
		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
		3781	}
		3782	}
		3783
		3784	{
		3785	# configure BDB
		3786
		3787	BDB::min_parallel 8;
		3788	BDB::max_poll_reqs $TICK * 0.1;
		3789	$AnyEvent::BDB::WATCHER->priority (1);
		3790
		3791	unless ($DB_ENV) {
		3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3798
		3799	cf::sync_job {
		3800	eval {
		3801	BDB::db_env_open
		3802	$DB_ENV,
		3803	$BDBDIR,
		3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3806	0666;
		3807
		3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3809	};
		3810
		3811	cf::cleanup "db_env_open(db): $@" if $@;
		3812	};
		3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
		3824	}
		3825
		3826	{
		3827	# configure IO::AIO
		3828
		3829	IO::AIO::min_parallel 8;
		3830	IO::AIO::max_poll_time $TICK * 0.1;
		3831	undef $AnyEvent::AIO::WATCHER;
		3832	}
		3833
		3834	my $_log_backtrace;
		3835
		3836	sub _log_backtrace {
		3837	my ($msg, @addr) = @_;
		3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
		3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
		3848	my @bt = fork_call {
		3849	@addr = map { sprintf "%x", $_ } @addr;
		3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3852	or die "addr2line: $!";
		3853
		3854	my @funcs;
		3855	my @res = <$fh>;
		3856	chomp for @res;
		3857	while (@res) {
		3858	my ($func, $line) = splice @res, 0, 2, ();
		3859	push @funcs, "[$func] $line";
		3860	}
		3861
		3862	@funcs
		3863	};
		3864
		3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2566		3878
2567	END { cf::emergency_save }	3879	END { cf::emergency_save }
2568		3880
2569	1	3881	1
2570		3882

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