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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.537 by root, Sun May 2 19:16:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
60		118
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	121	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
71		130
72	our %CFG;	131	our %CFG;
73		132
74	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
76		136
77	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		140
83	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
86	binmode STDOUT;	154	binmode STDOUT;
87	binmode STDERR;	155	binmode STDERR;
88		156
89	# read virtual server time, if available	157	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
94	}	162	}
95		163
96	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	165
98	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		168
103	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
104		170
105	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
106		187
107	#############################################################################	188	#############################################################################
108		189
109	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
110		191
…		…
117	=item $cf::RUNTIME	198	=item $cf::RUNTIME
118		199
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	201	every server tick.
121		202
122	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		206
124	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
126		211
127	=item $cf::NOW	212	=item $cf::NOW
128		213
129	The time of the last (current) server tick.	214	The time of the last (current) server tick.
130		215
131	=item $cf::TICK	216	=item $cf::TICK
132		217
133	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
134		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
135	=item %cf::CFG	230	=item %cf::CFG
136		231
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	233	from wherever your confdir points to.
139		234
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		236
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
146	=back	253	=back
147		254
148	=cut	255	=cut
149		256
150	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	264	my $msg = join "", @_;
153		265
154	$msg .= "\n"	266	$msg .= "\n"
155	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
156		268
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		270
159	utf8::encode $msg;
160	LOG llevError, $msg;	271	LOG llevWarn, $msg;
161	};	272	};
162	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
163		287
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		295
171	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	297	# within the Safe compartment.
173	for my $pkg (qw(	298	for my $pkg (qw(
174	cf::global cf::attachable	299	cf::global cf::attachable
175	cf::object cf::object::player	300	cf::object cf::object::player
176	cf::client cf::player	301	cf::client cf::player
177	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
178	cf::map cf::party cf::region	304	cf::party cf::region
179	)) {	305	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	307	}
183		308
184	$Event::DIED = sub {	309	$EV::DIED = sub {
185	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
186	};	311	};
		312
		313	#############################################################################
187		314
188	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
189		316
190	=over 4	317	=over 4
191		318
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	338	$d
212	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
213	}	340	}
214		341
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
218		343
219	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
220		345
221	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
222		347
223	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
224		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
225	=item cf::lock_wait $string	371	=item cf::lock_wait $string
226		372
227	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
228		374
229	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
230		376
231	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
234	returned.	380	returned.
235		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
236	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
238		387
239	=cut	388	=item $locked = cf::lock_active $string
240		389
241	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
242		395
243	sub lock_wait($) {	396	sub lock_wait($) {
244	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	398	}
252		399
253	sub lock_acquire($) {	400	sub lock_acquire($) {
254	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
255		403
256	# wait, to be sure we are not locked	404	sub lock_active($) {
257	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	406	}
266		407
267	sub freeze_mainloop {	408	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
269		410
270	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
272	};	478	}
273	$TICK_WATCHER->stop;	479	};
274	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
275	}	494	}
276		495
277	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
278		497
279	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		503
285	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
286		505
287	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
288		507
289	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
292		512
293	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
296	fast or be very important.	516	fast or be very important.
…		…
298	=cut	518	=cut
299		519
300	sub sync_job(&) {	520	sub sync_job(&) {
301	my ($job) = @_;	521	my ($job) = @_;
302		522
303	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
304	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
306		528
307	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	530
309	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
310		532
311	my $busy = 1;	533	my $busy = 1;
312	my @res;	534	my @res;
313		535
314	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	538	@res = eval { $job->() };
316	warn $@ if $@;	539	error $@ if $@;
317	undef $busy;	540	undef $busy;
318	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
319		542
320	while ($busy) {	543	while ($busy) {
321	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
322	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
323		554
324	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
325	} else {	556	} else {
326	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
327		558
…		…
347	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
348		579
349	$coro	580	$coro
350	}	581	}
351		582
352	sub write_runtime {	583	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		584
355	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
356		589
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
358	or return;
359		591
360	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		594
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
365	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
366		598
367	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	600	reset_signals;
369	and return;	601	&$cb
		602	}, @args;
370		603
371	close $fh	604	wantarray ? @res : $res[-1]
372	or return;	605	}
373		606
374	aio_rename "$runtime~", $runtime	607	sub objinfo {
375	and return;
376
377	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
378	}	772	}
379		773
380	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
381		775
382	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
383		777
384	=cut	778	=cut
385		779
386	sub datalog($@) {	780	sub datalog($@) {
387	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	783	}
390		784
391	=back	785	=back
392		786
393	=cut	787	=cut
394		788
395	#############################################################################	789	#############################################################################
396		790
397	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
398		792
399	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
402		796
403	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	799	Deliantra).
406		800
407	=over 4	801	=over 4
408		802
409	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
410		804
…		…
454	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
455		849
456	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
458		852
459	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
461		855
462	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
463		857
464	=over 4	858	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
574		968
575	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		973
580	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	975	my $pkg = shift @arg;
582		976
583	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
588		982
589	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		985
592	} elsif (ref $type) {	986	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
594		988
595	} else {	989	} else {
596	shift @arg;	990	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
598	}	992	}
599	}	993	}
600	}	994	}
601		995
602	sub _object_attach {	996	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
613	}	1007	}
614		1008
615	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
616	} else {	1010	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1012	}
619		1013
620	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
621	}	1015	}
622		1016
…		…
624	if (ref $_[0]) {	1018	if (ref $_[0]) {
625	_object_attach @_;	1019	_object_attach @_;
626	} else {	1020	} else {
627	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
628	}	1022	}
		1023	_recalc_want;
629	};	1024	};
630		1025
631	# all those should be optimised	1026	# all those should be optimised
632	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1032	reattach ($obj);
638	} else {	1033	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
640	}	1035	}
		1036	_recalc_want;
641	};	1037	};
642		1038
643	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
645		1041
…		…
660	";	1056	";
661	die if $@;	1057	die if $@;
662	}	1058	}
663		1059
664	our $override;	1060	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1062
667	sub override {	1063	sub override {
668	$override = 1;	1064	$override = 1;
669	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
670	}	1066	}
671		1067
672	sub do_invoke {	1068	sub do_invoke {
673	my $event = shift;	1069	my $event = shift;
674	my $callbacks = shift;	1070	my $callbacks = shift;
675		1071
676	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
677		1073
678	local $override;	1074	local $override;
679		1075
680	for (@$callbacks) {	1076	for (@$callbacks) {
681	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
682		1078
683	if ($@) {	1079	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1081	override;
687	}	1082	}
688		1083
689	return 1 if $override;	1084	return 1 if $override;
690	}	1085	}
691		1086
692	0	1087	0
693	}	1088	}
694		1089
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1091
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1093
699	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
700		1095
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1099
705	=back	1100	=back
706		1101
707	=cut	1102	=cut
708		1103
709	#############################################################################	1104	#############################################################################
710	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
711		1148
712	sub reattach {	1149	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1151	my ($obj) = @_;
715		1152
		1153	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1155
718	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
719		1157
720	@$registry = ();	1158	@$registry = ();
721		1159
…		…
726	for (@$attach) {	1164	for (@$attach) {
727	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
729	}	1167	}
730	} else {	1168	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1170	}
733	}	1171	}
734	}	1172	}
735		1173
736	cf::attachable->attach (	1174	cf::attachable->attach (
737	prio => -1000000,	1175	prio => -1000000,
738	on_instantiate => sub {	1176	on_instantiate => sub {
739	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
740		1178
741	$data = from_json $data;	1179	$data = decode_json $data;
742		1180
743	for (@$data) {	1181	for (@$data) {
744	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
745		1183
746	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1200	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
764		1202
765	sync_job {	1203	sync_job {
766	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
769		1209
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
774	close $fh;	1217	aio_close $fh;
775		1218
776	if (@$objs) {	1219	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
782	close $fh;	1228	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
784	}	1230	}
785	} else {	1231	} else {
786	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
787	}	1233	}
788		1234
789	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1239	} else {
791	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
792	}	1241	}
793	} else {	1242	} else {
794	aio_unlink $filename;	1243	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
796	}	1245	}
797	}	1246	};
798	}	1247	}
799		1248
800	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
802		1251
…		…
814	or return;	1263	or return;
815		1264
816	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
818	or return;	1267	or return;
		1268
819	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
820	}	1271	}
821		1272
		1273	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
824	return ($data, $av);	1278	($data, $av)
825	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
826		1286
827	#############################################################################	1287	#############################################################################
828	# command handling &c	1288	# command handling &c
829		1289
830	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1304	}
845		1305
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1307
848	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
849		1313
850	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
851	called.	1315	called.
852		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
853	=cut	1328	=cut
854		1329
855	sub register_extcmd {	1330	sub register_extcmd {
856	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
857		1332
858	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
859	}	1334	}
860		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
861	cf::player->attach (	1344	cf::player->attach (
862	on_command => sub {	1345	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
864		1347
865	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
866	or return;	1349	or return;
867		1350
…		…
872	cf::override;	1355	cf::override;
873	},	1356	},
874	on_extcmd => sub {	1357	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
876		1359
877	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1361
879	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
885	} else {	1377	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1379	}
888		1380
889	cf::override;	1381	cf::override;
890	},	1382	},
891	);	1383	);
892		1384
		1385	# "readahead" all extensions
893	sub load_extension {	1386	sub cache_extensions {
894	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
895		1388
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1392	}
921	die $@;
922	}	1393	};
923		1394
924	push @EXTS, $pkg;	1395	$grp
925	}	1396	}
926		1397
927	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
928	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1405	next unless -r $path;
930	eval {	1406
931	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
932	1	1470	}
933	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
934	}	1481	};
935	}	1482	}
936		1483
937	#############################################################################	1484	#############################################################################
938		1485
		1486	=back
		1487
939	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
940		1489
941	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
942		1491
943	=cut	1492	=cut
944		1493
945	package cf::player;	1494	package cf::player;
946		1495
…		…
948		1497
949	=head3 cf::player	1498	=head3 cf::player
950		1499
951	=over 4	1500	=over 4
952		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
953	=item cf::player::find $login	1516	=item cf::player::find $login
954		1517
955	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
956		1519
957	=cut	1520	=cut
958		1521
959	sub playerdir($) {	1522	sub playerdir($) {
960	cf::localdir	1523	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1525	}
966		1526
967	sub path($) {	1527	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1538
979	sub exists($) {	1539	sub exists($) {
980	my ($login) = @_;	1540	my ($login) = @_;
981		1541
982	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
984	}	1544	}
985		1545
986	sub find($) {	1546	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1548	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
999		1559
1000	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1003	}	1569	}
1004	}	1570	}
1005	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1006		1585
1007	sub save($) {	1586	sub save($) {
1008	my ($pl) = @_;	1587	my ($pl) = @_;
1009		1588
1010	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1016		1595
1017	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1019		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1020	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1021	Coro::cede;	1605	cf::cede_to_tick;
1022	}	1606	}
1023		1607
1024	sub new($) {	1608	sub new($) {
1025	my ($login) = @_;	1609	my ($login) = @_;
1026		1610
…		…
1032	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1033		1617
1034	$self	1618	$self
1035	}	1619	}
1036		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1037	=item $pl->quit_character	1631	=item $pl->quit_character
1038		1632
1039	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1041		1635
…		…
1045	my ($pl) = @_;	1639	my ($pl) = @_;
1046		1640
1047	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1048		1642
1049	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1645
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1056		1651
1057	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1089		1684
1090	=cut	1685	=cut
1091		1686
1092	sub list_logins {	1687	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1689	or return [];
1095		1690
1096	my @logins;	1691	my @logins;
1097		1692
1098	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1102		1703
1103	utf8::decode $login;	1704	utf8::decode $login;
1104	push @logins, $login;	1705	push @logins, $login;
1105	}	1706	}
1106		1707
1107	\@logins	1708	\@logins
1108	}	1709	}
1109		1710
1110	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1111		1714
1112	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1113	player. May block.	1716	player. May block.
1114		1717
1115	=cut	1718	=cut
…		…
1133	}	1736	}
1134		1737
1135	\@paths	1738	\@paths
1136	}	1739	}
1137		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1138	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1139		1746
1140	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1141		1748
1142	=cut	1749	=cut
1143		1750
1144	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1146		1753
1147	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1755	}
1151		1756
1152	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1153		1758
1154	Sends an ext event to the client.	1759	Sends an ext event to the client.
1155		1760
1156	=cut	1761	=cut
1157		1762
1158	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1160		1765
1161	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1162	}	1767	}
1163		1768
1164	=head3 cf::region	1769	=head3 cf::region
1165		1770
1166	=over 4	1771	=over 4
…		…
1169		1774
1170	package cf::region;	1775	package cf::region;
1171		1776
1172	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1173		1778
1174	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1175		1780
1176	=cut	1781	=cut
1177		1782
1178	sub find_by_path($) {	1783	sub find_by_path($) {
1179	my ($path) = @_;	1784	my ($path) = @_;
1180		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1181	my ($match, $specificity);	1788	my ($match, $specificity);
1182		1789
1183	for my $region (list) {	1790	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1187	}	1794	}
1188	}	1795	}
1189		1796
…		…
1210	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1212		1819
1213	sub generate_random_map {	1820	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1215	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1826	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1245		1855
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1857	}
1248		1858
1249	# also paths starting with '/'	1859	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1861
1252	sub thawer_merge {	1862	sub thawer_merge {
1253	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1254		1864
1255	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1256	local $self->{path};	1866	local $self->{path};
1257	local $self->{load_path};	1867	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1868
1261	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1262	}	1870	}
1263		1871
1264	sub normalise {	1872	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1312	return $self;	1920	return $self;
1313	}	1921	}
1314	}	1922	}
1315		1923
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1925	()
1318	}	1926	}
1319		1927
1320	sub init {	1928	sub init {
1321	my ($self) = @_;	1929	my ($self) = @_;
…		…
1336		1944
1337	# the original (read-only) location	1945	# the original (read-only) location
1338	sub load_path {	1946	sub load_path {
1339	my ($self) = @_;	1947	my ($self) = @_;
1340		1948
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1342	}	1950	}
1343		1951
1344	# the temporary/swap location	1952	# the temporary/swap location
1345	sub save_path {	1953	sub save_path {
1346	my ($self) = @_;	1954	my ($self) = @_;
1347		1955
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1350	}	1958	}
1351		1959
1352	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1353	sub uniq_path {	1961	sub uniq_path {
1354	my ($self) = @_;	1962	my ($self) = @_;
1355		1963
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1358	}	1966	}
1359		1967
1360	# and all this just because we cannot iterate over	1968	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1969	my ($self) = @_;
1364		1970
1365	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1367	}	1974	}
1368		1975
1369	sub unlink_save {	1976	sub unlink_save {
1370	my ($self) = @_;	1977	my ($self) = @_;
1371		1978
…		…
1376		1983
1377	sub load_header_from($) {	1984	sub load_header_from($) {
1378	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1379		1986
1380	utf8::encode $path;	1987	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1386		1996
1387	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1388		1998
1389	1	1999	1
1390	}	2000	}
…		…
1429	$self->load_header_orig	2039	$self->load_header_orig
1430	or return;	2040	or return;
1431	$self->prepare_orig;	2041	$self->prepare_orig;
1432	}	2042	}
1433		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
1434	$self->default_region (cf::region::find_by_path $self->{path})	2047	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2048	unless $self->default_region;
1436		2049
1437	1	2050	1
1438	}	2051	}
…		…
1441	sub find {	2054	sub find {
1442	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1443		2056
1444	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1445		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2061
1448	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1451	or return;	2064	or return;
1452		2065
1453	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1454		2067
1455	$map->load_header	2068	$map->load_header
1456	or return;	2069	or return;
1457		2070
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1461	$map->reset;	2076	$map->reset;
1462	undef $guard;
1463	return find $path;	2077	return find $path;
1464	}	2078	}
1465		2079
1466	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1467	}	2081	}
1468	}	2082	}
1469		2083
1470	sub pre_load { }	2084	sub pre_load { }
1471	sub post_load { }	2085	#sub post_load { } # XS
1472		2086
1473	sub load {	2087	sub load {
1474	my ($self) = @_;	2088	my ($self) = @_;
1475		2089
1476	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1477		2091
1478	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1480		2096
		2097	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2099
1483	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1484		2101
1485	$self->alloc;	2102	$self->alloc;
1486		2103
1487	$self->pre_load;	2104	$self->pre_load;
1488	Coro::cede;	2105	cf::cede_to_tick;
1489		2106
1490	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1491	or return;	2110	or return;
1492		2111
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1494	if delete $self->{load_original};	2113	if delete $self->{load_original};
1495		2114
1496	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2116	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2119	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1501	}	2123	}
1502	}	2124	}
1503		2125
1504	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1505	# now do the right thing for maps	2129	# now do the right thing for maps
1506	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2132	unless $self->difficulty;
1517	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1518	$self->activate;	2140	$self->activate;
1519	Coro::cede;	2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2147	}
1521		2148
1522	$self->post_load;	2149	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2150	}
1527		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2155	sub customise_for {
1529	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1530		2157
1531	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2159	if $self->per_player;
1533		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1534	$self	2164	$self
1535	}	2165	}
1536		2166
1537	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2168	sub load_neighbours {
1539	my ($map) = @_;	2169	my ($map) = @_;
1540		2170
1541	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1542		2172
1543	for (0 .. 3) {	2173	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1545	or next;	2175	or next;
1546	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1547	or next;	2177	or next;
1548	$neigh->load;	2178	$neigh->load;
1549		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2184	}
1553		2185
1554	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1556	or next;	2189	or next;
1557	$neigh->load;	2190	$neigh->load;
1558	}	2191	}
1559	}	2192	}
1560		2193
1561	sub find_sync {	2194	sub find_sync {
1562	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1563		2196
1564	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1565	}	2201	}
1566		2202
1567	sub do_load_sync {	2203	sub do_load_sync {
1568	my ($map) = @_;	2204	my ($map) = @_;
1569		2205
1570	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1571	}	2210	}
1572		2211
1573	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1575		2214
1576	sub find_async {	2215	sub find_async {
1577	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1578		2217
1579	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1580		2219
1581	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2222	}
1584		2223
1585	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1586	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1587	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2231	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2232	$map->load if $v;
		2233	}
1592		2234
1593	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1594	}	2236	}
1595	}	2237	}
1596	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1597	};	2239	};
1598	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1599		2241
1600	()	2242	()
1601	}	2243	}
1602		2244
		2245	# common code, used by both ->save and ->swapout
1603	sub save {	2246	sub _save {
1604	my ($self) = @_;	2247	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2248
1608	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1609		2250
1610	return unless $self->dirty;	2251	return unless $self->dirty;
1611		2252
…		…
1617	return if $self->{deny_save};	2258	return if $self->{deny_save};
1618		2259
1619	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1620		2261
1621	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1623	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1624		2268
1625	if ($uniq) {	2269	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2272	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2274	}
1631	}	2275	}
1632		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1633	sub swap_out {	2285	sub swap_out {
1634	my ($self) = @_;	2286	my ($self) = @_;
1635		2287
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1641	return if $self->players;	2292	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1645	$self->clear;	2303	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2304	}
1648		2305
1649	sub reset_at {	2306	sub reset_at {
1650	my ($self) = @_;	2307	my ($self) = @_;
1651		2308
1652	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1655		2311
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2314
…		…
1669	my ($self) = @_;	2325	my ($self) = @_;
1670		2326
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2328
1673	return if $self->players;	2329	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2330
1676	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1677		2332
1678	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1679		2334
1680	# need to save uniques path	2335	# need to save uniques path
1681	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2340	if $uniq;
1686	}	2341	}
1687		2342
1688	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1689		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2347	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2348
1694	$self->unlink_save;	2349	$self->unlink_save;
1695	$self->destroy;	2350	$self->destroy;
1696	}	2351	}
1697		2352
1698	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1699		2354
1700	sub nuke {	2355	sub nuke {
1701	my ($self) = @_;	2356	my ($self) = @_;
1702		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1703	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1704		2362
1705	$self->unlink_save;	2363	$self->unlink_save;
1706		2364
1707	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2370
1713	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1714		2373
1715	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1716	}	2411	}
1717		2412
1718	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1719		2414
1720	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2416	instantiated unique items. May block.
1722		2417
1723	=cut	2418	=cut
1724		2419
1725	sub unique_maps() {	2420	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1727	or return;	2422	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2423	utf8::decode $_;
1733	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2426	? ()
1736	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2429	]
1738
1739	\@paths
1740	}	2430	}
1741		2431
1742	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1743		2463
1744	=back	2464	=back
1745		2465
1746	=head3 cf::object	2466	=head3 cf::object
1747		2467
…		…
1751		2471
1752	=over 4	2472	=over 4
1753		2473
1754	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1755		2475
1756	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1757		2478
1758	=cut	2479	=cut
1759		2480
1760	sub inv_recursive_;	2481	sub inv_recursive_;
1761	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1764		2485
1765	sub inv_recursive {	2486	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1767	}	2488	}
1768		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1769	package cf;	2518	package cf;
1770		2519
1771	=back	2520	=back
1772		2521
1773	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1782		2531
1783	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1784		2547
1785	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2549	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1790		2553
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2555
1793	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1795	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1798	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1799	}	2581	}
1800		2582
1801	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1802		2584
1803	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1816		2598
1817	=item $player_object->enter_link	2599	=item $player_object->enter_link
1818		2600
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2602
1821	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1823		2607
1824	Will never block.	2608	Will never block.
1825		2609
1826	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1827		2611
…		…
1847	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2632	my ($self) = @_;
1849		2633
1850	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1851		2635
		2636	++$self->{_link_recursion};
		2637
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2639
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1856		2642
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2644	}
1859		2645
1860	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1862		2650
1863	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1864		2652
1865	unless ($map) {	2653	unless ($map) {
1866	# restore original map position	2654	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1879		2667
1880	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1883		2671
1884	$map->load;	2672	$map->load;
1885	$map->load_diag;	2673	$map->load_neighbours;
1886		2674
1887	return unless $self->contr->active;	2675	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2676
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1892	}	2679	# entering was successful
1893		2680	delete $self->{_link_recursion};
1894	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2682	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2683	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2684
1908	# try to abort aborted map switching on player login :)	2685	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2686
1926	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1928	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1929		2701
1930	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2713
1933	$self->enter_link;	2714	$self->enter_link;
1934		2715
1935	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1936	my $map = eval {	2738	my $map = eval {
1937	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1939	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2754	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1944	})->prio (1);	2762	})->prio (1);
1945	}	2763	}
1946		2764
1947	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1948		2766
…		…
1968	}	2786	}
1969		2787
1970	sub prepare_random_map {	2788	sub prepare_random_map {
1971	my ($exit) = @_;	2789	my ($exit) = @_;
1972		2790
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2793	# that depends on the exit object
1978		2794
1979	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2797	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1986	}	2804	}
1987		2805
1988	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1989		2807
1990	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1993		2811
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2814	undef $fh;
1997	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1998		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2001	}	2823	}
2002	}	2824	}
2003		2825
2004	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2006		2828
2007	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2008		2830
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2831	$self->enter_link;
2021		2832
2022	(async {	2833	(async {
2023	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2024	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2025	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2026		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2027	1;	2857	1
2028	}) {	2858	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2863
2034	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2865	$self->leave_link;
2036	}	2866	}
2037	})->prio (1);	2867	})->prio (1);
2038	}	2868	}
2039		2869
…		…
2053		2883
2054	utf8::encode $text;	2884	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2886	}
2057		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2058	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2059		3076
2060	Sends an exti event to the client.	3077	Sends an ext event to the client.
2061		3078
2062	=cut	3079	=cut
2063		3080
2064	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2066		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2069	}	3108	}
2070		3109
2071	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2072		3111
2073	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3115
2077	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3117	become reliable at some point in the future.
2079		3118
2080	=cut	3119	=cut
2081		3120
2082	sub cf::client::query {	3121	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3130	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3132
2094	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2096	}	3137	}
2097		3138
2098	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2099	on_reply => sub {	3145	on_reply => sub {
2100	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2101		3147
2102	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2103	# get handled first	3149	# get handled first
…		…
2115	} else {	3161	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3163	}
2118	}	3164	}
2119	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2120	);	3192	);
2121		3193
2122	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2123		3195
2124	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3212
2141	$coro	3213	$coro
2142	}	3214	}
2143		3215
2144	cf::client->attach (	3216	cf::client->attach (
2145	on_destroy => sub {	3217	on_client_destroy => sub {
2146	my ($ns) = @_;	3218	my ($ns) = @_;
2147		3219
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3221	},
2150	);	3222	);
…		…
2165	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2167		3239
2168	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2169		3241
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2171		3247
2172	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2173		3249
2174	=pod	3250	=pod
2175		3251
2176	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2177		3253
2178	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2179	cf::object::player player	3259	cf::object::player
2180	cf::player peaceful	3260	player
2181	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2182		3267
2183	=cut	3268	=cut
2184		3269
2185	for (	3270	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2190	) {	3277	) {
2191	no strict 'refs';	3278	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2211		3298
2212	my $qcode = $code;	3299	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2215		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2216	local $_;	3306	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3307
2219	my $eval =	3308	my $eval =
2220	"do {\n"	3309	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3312	. $code
2224	. "\n}"	3313	. "\n}"
2225	;	3314	;
2226		3315
		3316	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2230		3325
2231	if ($@) {	3326	if ($@) {
2232	warn "$@";	3327	warn "$@",
2233	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2235	}	3330	}
2236		3331
2237	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2238	}	3333	}
2239		3334
…		…
2253	=cut	3348	=cut
2254		3349
2255	sub register_script_function {	3350	sub register_script_function {
2256	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2257		3352
2258	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2260	}	3355	}
2261		3356
2262	=back	3357	=back
2263		3358
2264	=cut	3359	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3360
2435	#############################################################################	3361	#############################################################################
2436	# the server's init and main functions	3362	# the server's init and main functions
2437		3363
2438	sub load_facedata($) {	3364	sub load_facedata($) {
2439	my ($path) = @_;	3365	my ($path) = @_;
2440		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2441	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2442		3374
2443	my $facedata;	3375	my $facedata;
2444	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2445	or die "$path: $!";	3377	or die "$path: $!";
2446		3378
2447	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2448		3380
2449	$facedata->{version} == 2	3381	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2452	{	3393	{
2453	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2454		3395
2455	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3403
		3404	cf::cede_to_tick;
2461	}	3405	}
2462		3406
2463	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2465	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2466	or next;	3411	or next;
		3412
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3416	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3418	}
2472	Coro::cede;	3419
		3420	cf::cede_to_tick;
2473	}	3421	}
2474	}	3422	}
2475		3423
2476	{	3424	{
2477	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2478		3426
2479	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3429	cf::cede_to_tick;
2482	}	3430	}
2483		3431
2484	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2485	}	3433	}
2486		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2487	1	3454	1
2488	}	3455	}
2489		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
2490	sub reload_facedata {	3489	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3490	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
2493	}	3492	}
2494		3493
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3494	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3495	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3496	or die "unable to load archetypes\n";
2503	}	3497	}
2504		3498
2505	sub reload_treasures {	3499	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3500	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2508	}	3502	}
2509		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2510	sub reload_resources {	3527	sub reload_resources {
2511	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2512		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2513	reload_regions;	3533	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3534	reload_treasures;
2517		3535
2518	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2519	}	3537	}
2520		3538
2521	sub init {	3539	sub reload_config {
2522	reload_resources;	3540	trace "reloading config file...\n";
2523	}
2524		3541
2525	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3543	or return;
2528		3544
2529	local $/;	3545	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2531		3547
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3549
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3552
2537	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2540	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2541	};	3557	};
2542	warn $@ if $@;	3558	warn $@ if $@;
2543	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2544	}	3590	}
2545		3591
2546	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2547	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3605	(async {
2551	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2553	};	3609	};
2554		3610
2555	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2556	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2557	load_extensions;	3634	load_extensions;
2558		3635
2559	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2561	}	3649	}
2562		3650
2563	#############################################################################	3651	#############################################################################
2564	# initialisation and cleanup	3652	# initialisation and cleanup
2565		3653
2566	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2567	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2576	},
2577	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2578	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2579	}	3750	}
2580		3751
2581	sub emergency_save() {	3752	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2583		3754
2584	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2585		3761
2586	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2587	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3773	$pl->save;
2595	}	3774	}
2596	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2597		3776
2598	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3782	$map->valid or next;
2602	$map->save;	3783	$map->save;
2603	}	3784	}
2604	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2605		3786
2606	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2609	};	3815	};
2610		3816
2611	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2612	}	3818	}
2613		3819
2614	sub post_cleanup {	3820	sub post_cleanup {
2615	my ($make_core) = @_;	3821	my ($make_core) = @_;
2616		3822
		3823	IO::AIO::flush;
		3824
2617	warn Carp::longmess "post_cleanup backtrace"	3825	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3826	if $make_core;
		3827
		3828	my $fh = pidfile;
		3829	unlink $PIDFILE if <$fh> == $$;
		3830	}
		3831
		3832	# a safer delete_package, copied from Symbol
		3833	sub clear_package($) {
		3834	my $pkg = shift;
		3835
		3836	# expand to full symbol table name if needed
		3837	unless ($pkg =~ /^main::.*::$/) {
		3838	$pkg = "main$pkg" if $pkg =~ /^::/;
		3839	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3840	$pkg .= '::' unless $pkg =~ /::$/;
		3841	}
		3842
		3843	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3844	my $stem_symtab = *{$stem}{HASH};
		3845
		3846	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3847	or return;
		3848
		3849	# clear all symbols
		3850	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3851	for my $name (keys %$leaf_symtab) {
		3852	_gv_clear *{"$pkg$name"};
		3853	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3854	}
2619	}	3855	}
2620		3856
2621	sub do_reload_perl() {	3857	sub do_reload_perl() {
2622	# can/must only be called in main	3858	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3859	if (in_main) {
2624	warn "can only reload from main coroutine";	3860	error "can only reload from main coroutine";
2625	return;	3861	return;
2626	}	3862	}
2627		3863
		3864	return if $RELOAD++;
		3865
		3866	my $t1 = AE::time;
		3867
		3868	while ($RELOAD) {
2628	warn "reloading...";	3869	info "reloading...";
2629		3870
2630	warn "entering sync_job";	3871	trace "entering sync_job";
2631		3872
2632	cf::sync_job {	3873	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	3874	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		3875
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	3876	trace "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	3877	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	3878	%EXT_CORO = ();
2661		3879
2662	warn "removing commands";	3880	trace "removing commands";
2663	%COMMAND = ();	3881	%COMMAND = ();
2664		3882
2665	warn "removing ext commands";	3883	trace "removing ext/exti commands";
2666	%EXTCMD = ();	3884	%EXTCMD = ();
		3885	%EXTICMD = ();
2667		3886
2668	warn "unloading/nuking all extensions";	3887	trace "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3888	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3889	trace "... unloading $pkg";
2671		3890
2672	if (my $cb = $pkg->can ("unload")) {	3891	if (my $cb = $pkg->can ("unload")) {
2673	eval {	3892	eval {
2674	$cb->($pkg);	3893	$cb->($pkg);
2675	1	3894	1
2676	} or warn "$pkg unloaded, but with errors: $@";	3895	} or error "$pkg unloaded, but with errors: $@";
		3896	}
		3897
		3898	trace "... clearing $pkg";
		3899	clear_package $pkg;
2677	}	3900	}
2678		3901
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	3902	trace "unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	3903	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3904	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3905
2687	warn "... unloading $k";	3906	trace "... unloading $k";
2688	delete $INC{$k};	3907	delete $INC{$k};
2689		3908
2690	$k =~ s/\.pm$//;	3909	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	3910	$k =~ s/\//::/g;
2692		3911
2693	if (my $cb = $k->can ("unload_module")) {	3912	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	3913	$cb->();
		3914	}
		3915
		3916	clear_package $k;
2695	}	3917	}
2696		3918
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	3919	trace "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3920	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3921	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3922
2704	warn "unloading cf.pm \"a bit\"";	3923	trace "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3924	delete $INC{"cf.pm"};
		3925	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2706		3926
2707	# don't, removes xs symbols, too,	3927	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3928	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3929	#clear_package __PACKAGE__;
2710		3930
2711	warn "unload completed, starting to reload now";	3931	info "unload completed, starting to reload now";
2712		3932
2713	warn "reloading cf.pm";	3933	trace "reloading cf.pm";
2714	require cf;	3934	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3935	cf::_connect_to_perl_1;
2716		3936
2717	warn "loading config and database again";	3937	trace "loading config and database again";
2718	cf::cfg_load;	3938	cf::reload_config;
2719		3939
2720	warn "loading extensions";	3940	trace "loading extensions";
2721	cf::load_extensions;	3941	cf::load_extensions;
2722		3942
		3943	if ($REATTACH_ON_RELOAD) {
2723	warn "reattaching attachments to objects/players";	3944	trace "reattaching attachments to objects/players";
2724	_global_reattach; # objects, sockets	3945	_global_reattach; # objects, sockets
2725	warn "reattaching attachments to maps";	3946	trace "reattaching attachments to maps";
2726	reattach $_ for values %MAP;	3947	reattach $_ for values %MAP;
2727	warn "reattaching attachments to players";	3948	trace "reattaching attachments to players";
2728	reattach $_ for values %PLAYER;	3949	reattach $_ for values %PLAYER;
		3950	}
2729		3951
		3952	trace "running post_init jobs";
		3953	(pop @POST_INIT)->(1) while @POST_INIT;
		3954
2730	warn "leaving sync_job";	3955	trace "leaving sync_job";
2731		3956
2732	1	3957	1
2733	} or do {	3958	} or do {
2734	warn $@;	3959	error $@;
2735	warn "error while reloading, exiting.";	3960	cf::cleanup "error while reloading, exiting.";
2736	exit 1;	3961	};
		3962
		3963	info "reloaded";
		3964	--$RELOAD;
2737	};	3965	}
2738		3966
2739	warn "reloaded";	3967	$t1 = AE::time - $t1;
		3968	info "reload completed in ${t1}s\n";
2740	};	3969	};
2741		3970
2742	our $RELOAD_WATCHER; # used only during reload	3971	our $RELOAD_WATCHER; # used only during reload
2743		3972
2744	sub reload_perl() {	3973	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	3974	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	3975	# coro crashes during coro_state_free->destroy here.
2747		3976
2748	$RELOAD_WATCHER ||= Event->timer (	3977	$RELOAD_WATCHER ||= cf::async {
2749	reentrant => 0,	3978	Coro::AIO::aio_wait cache_extensions;
2750	after => 0,	3979
2751	data => WF_AUTOCANCEL,	3980	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2752	cb => sub {
2753	do_reload_perl;	3981	do_reload_perl;
2754	undef $RELOAD_WATCHER;	3982	undef $RELOAD_WATCHER;
2755	},	3983	};
2756	);	3984	};
2757	}	3985	}
2758		3986
2759	register_command "reload" => sub {	3987	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3988	my ($who, $arg) = @_;
2761		3989
2762	if ($who->flag (FLAG_WIZ)) {	3990	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3991	$who->message ("reloading server.");
		3992	async {
		3993	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3994	reload_perl;
		3995	};
2765	}	3996	}
2766	};	3997	};
2767		3998
2768	unshift @INC, $LIBDIR;	3999	unshift @INC, $LIBDIR;
2769		4000
…		…
2771		4002
2772	our @WAIT_FOR_TICK;	4003	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	4004	our @WAIT_FOR_TICK_BEGIN;
2774		4005
2775	sub wait_for_tick {	4006	sub wait_for_tick {
2776	return unless $TICK_WATCHER->is_active;
2777	return if $Coro::current == $Coro::main;	4007	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2778		4008
2779	my $signal = new Coro::Signal;	4009	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	4010	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	4011	$signal->wait;
2782	}	4012	}
2783		4013
2784	sub wait_for_tick_begin {	4014	sub wait_for_tick_begin {
2785	return unless $TICK_WATCHER->is_active;
2786	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2787		4016
2788	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	4018	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	4019	$signal->wait;
2791	}	4020	}
2792		4021
2793	$TICK_WATCHER = Event->timer (	4022	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	4023	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4024	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	4025	unless ++$bug_warning > 10;
2803	return;	4026	return;
2804	}	4027	}
2805		4028
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	4029	cf::server_tick; # one server iteration
2809		4030
2810	$RUNTIME += $TICK;	4031	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2811	$NEXT_TICK += $TICK;
2812		4032
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4033	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	4034	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	4035	Coro::async_pool {
		4036	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	4037	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	4038	or error "ERROR: unable to write runtime file: $!";
2818	};
2819	}	4039	};
		4040	}
2820		4041
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4042	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	4043	$sig->send;
2832	}	4044	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	4045	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	4046	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	4047	}
2839	);	4048
		4049	$LOAD = ($NOW - $TICK_START) / $TICK;
		4050	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4051
		4052	if (0) {
		4053	if ($NEXT_TICK) {
		4054	my $jitter = $TICK_START - $NEXT_TICK;
		4055	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4056	debug "jitter $JITTER\n";#d#
		4057	}
		4058	}
		4059	}
2840		4060
2841	{	4061	{
2842	BDB::max_poll_time $TICK * 0.1;	4062	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	4063
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	4064	BDB::min_parallel 16;
2852		4065	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	4066	$AnyEvent::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		4067
2868	unless ($DB_ENV) {	4068	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	4069	$DB_ENV = BDB::db_env_create;
		4070	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4071	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4072	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4073	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4074	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		4075
2871	cf::sync_job {	4076	cf::sync_job {
2872	eval {	4077	eval {
2873	BDB::db_env_open	4078	BDB::db_env_open
2874	$DB_ENV,	4079	$DB_ENV,
2875	$BDB_ENV_DIR,	4080	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4081	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4082	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	4083	0666;
2879		4084
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4085	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	4086	};
2885		4087
2886	cf::cleanup "db_env_open(db): $@" if $@;	4088	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	4089	};
2888	}	4090	}
		4091
		4092	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4093	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4094	};
		4095	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4096	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4097	};
		4098	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4099	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4100	};
2889	}	4101	}
2890		4102
2891	{	4103	{
		4104	# configure IO::AIO
		4105
2892	IO::AIO::min_parallel 8;	4106	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	4107	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	4108	undef $AnyEvent::AIO::WATCHER;
2897	reentrant => 0,	4109	}
2898	data => WF_AUTOCANCEL,	4110
2899	fd => IO::AIO::poll_fileno,	4111	my $_log_backtrace;
2900	poll => 'r',	4112
2901	prio => 6,	4113	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	4114	my ($msg, @addr) = @_;
2903	);	4115
		4116	$msg =~ s/\n//;
		4117
		4118	# limit the # of concurrent backtraces
		4119	if ($_log_backtrace < 2) {
		4120	++$_log_backtrace;
		4121	my $perl_bt = Carp::longmess $msg;
		4122	async {
		4123	$Coro::current->{desc} = "abt $msg";
		4124
		4125	my @bt = fork_call {
		4126	@addr = map { sprintf "%x", $_ } @addr;
		4127	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4128	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4129	or die "addr2line: $!";
		4130
		4131	my @funcs;
		4132	my @res = <$fh>;
		4133	chomp for @res;
		4134	while (@res) {
		4135	my ($func, $line) = splice @res, 0, 2, ();
		4136	push @funcs, "[$func] $line";
		4137	}
		4138
		4139	@funcs
		4140	};
		4141
		4142	LOG llevInfo, "[ABT] $perl_bt\n";
		4143	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4144	LOG llevInfo, "[ABT] $_\n" for @bt;
		4145	--$_log_backtrace;
		4146	};
		4147	} else {
		4148	LOG llevInfo, "[ABT] $msg\n";
		4149	LOG llevInfo, "[ABT] [suppressed]\n";
		4150	}
2904	}	4151	}
2905		4152
2906	# load additional modules	4153	# load additional modules
2907	use cf::pod;	4154	require "cf/$_.pm" for @EXTRA_MODULES;
		4155	cf::_connect_to_perl_2;
2908		4156
2909	END { cf::emergency_save }	4157	END { cf::emergency_save }
2910		4158
2911	1	4159	1
2912		4160

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