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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC vs.
Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
		83	our $RELOAD; # number of reloads so far
48	our @EVENT;	84	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		85
51	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	87	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	101	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	107	our $DB_ENV;
61		108
62	our %CFG;	109	our %CFG;
63		110
64	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
66		114
67	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		118
76	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
79	binmode STDOUT;	127	binmode STDOUT;
80	binmode STDERR;	128	binmode STDERR;
81		129
82	# read virtual server time, if available	130	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
87	}	135	}
88		136
89	mkdir cf::localdir;	137	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		139
96	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
97		141
98	sub cf::map::normalise;	142	sub cf::map::normalise;
99		143
…		…
110	=item $cf::RUNTIME	154	=item $cf::RUNTIME
111		155
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	157	every server tick.
114		158
115	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		162
117	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
119		167
120	=item $cf::NOW	168	=item $cf::NOW
121		169
122	The time of the last (current) server tick.	170	The time of the last (current) server tick.
123		171
124	=item $cf::TICK	172	=item $cf::TICK
125		173
126	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
127		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
128	=item %cf::CFG	186	=item %cf::CFG
129		187
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	189	from wherever your confdir points to.
132		190
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		192
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
139		202
140	=back	203	=back
141		204
142	=cut	205	=cut
143		206
144	BEGIN {	207	BEGIN {
145	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	209	my $msg = join "", @_;
147	utf8::encode $msg;
148		210
149	$msg .= "\n"	211	$msg .= "\n"
150	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
151		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
152	LOG llevError, $msg;	216	LOG llevError, $msg;
153	};	217	};
154	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
155		234
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		242
163	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	244	# within the Safe compartment.
165	for my $pkg (qw(	245	for my $pkg (qw(
166	cf::global cf::attachable	246	cf::global cf::attachable
167	cf::object cf::object::player	247	cf::object cf::object::player
168	cf::client cf::player	248	cf::client cf::player
169	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
170	cf::map cf::party cf::region	251	cf::party cf::region
171	)) {	252	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	254	}
175		255
176	$Event::DIED = sub {	256	$EV::DIED = sub {
177	warn "error in event callback: @_";	257	warn "error in event callback: @_";
178	};	258	};
		259
		260	#############################################################################
179		261
180	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
181		263
182	=over 4	264	=over 4
183		265
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	285	$d
204	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
205	}	287	}
206		288
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
210		290
211	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
212		292
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
221		294
222	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
223		296
224	=cut	297	=cut
225		298
226	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
228	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
230		303
231	=item cf::lock_wait $string	304	=item cf::lock_wait $string
232		305
233	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
234		307
…		…
237	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
240	returned.	313	returned.
241		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
242	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
244		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
245	=cut	325	=cut
246		326
247	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
248		329
249	sub lock_wait($) {	330	sub lock_wait($) {
250	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
251		337
252	# wait for lock, if any	338	# wait for lock, if any
253	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	341	Coro::schedule;
…		…
261		347
262	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
263	lock_wait $key;	349	lock_wait $key;
264		350
265	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
266		353
267	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
270	}	358	}
271	}	359	}
272		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
273	sub freeze_mainloop {	367	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
275		369
276	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
278	};	431	}
279	$TICK_WATCHER->stop;	432	};
280	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
281	}	446	}
282		447
283	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
284		449
285	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		455
291	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
292		457
293	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
294		459
295	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
298		464
299	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
302	fast or be very important.	468	fast or be very important.
…		…
305		471
306	sub sync_job(&) {	472	sub sync_job(&) {
307	my ($job) = @_;	473	my ($job) = @_;
308		474
309	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
310	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
312		480
313	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	482
315	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
316		484
317	my $busy = 1;	485	my $busy = 1;
318	my @res;	486	my @res;
319		487
320	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	490	@res = eval { $job->() };
322	warn $@ if $@;	491	warn $@ if $@;
323	undef $busy;	492	undef $busy;
324	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
325		494
326	while ($busy) {	495	while ($busy) {
327	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
328	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
329		506
330	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
331	} else {	508	} else {
332	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
333		510
…		…
353	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
354		531
355	$coro	532	$coro
356	}	533	}
357		534
358	sub write_runtime {	535	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		536
361	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
362		541
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
364	or return;
365		543
366	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		546
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
371	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
372		550
373	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	552	reset_signals;
375	and return;	553	&$cb
		554	}, @args;
376		555
377	close $fh	556	wantarray ? @res : $res[-1]
378	or return;	557	}
379		558
380	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
381	and return;
382		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
383	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	722	}
385		723
386	=back	724	=back
387		725
388	=cut	726	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
397		735
398	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	738	Deliantra).
401		739
402	=over 4	740	=over 4
403		741
404	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
405		743
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
569		907
570	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		912
575	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	914	my $pkg = shift @arg;
577		915
578	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
608	}	946	}
609		947
610	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
611	} else {	949	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	951	}
614		952
615	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
616	}	954	}
617		955
…		…
619	if (ref $_[0]) {	957	if (ref $_[0]) {
620	_object_attach @_;	958	_object_attach @_;
621	} else {	959	} else {
622	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
623	}	961	}
		962	_recalc_want;
624	};	963	};
625		964
626	# all those should be optimised	965	# all those should be optimised
627	sub cf::attachable::detach {	966	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
632	reattach ($obj);	971	reattach ($obj);
633	} else {	972	} else {
634	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
635	}	974	}
		975	_recalc_want;
636	};	976	};
637		977
638	sub cf::attachable::attached {	978	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
640		980
…		…
655	";	995	";
656	die if $@;	996	die if $@;
657	}	997	}
658		998
659	our $override;	999	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1001
662	sub override {	1002	sub override {
663	$override = 1;	1003	$override = 1;
664	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
665	}	1005	}
666		1006
667	sub do_invoke {	1007	sub do_invoke {
668	my $event = shift;	1008	my $event = shift;
669	my $callbacks = shift;	1009	my $callbacks = shift;
670		1010
671	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
672		1012
673	local $override;	1013	local $override;
674		1014
675	for (@$callbacks) {	1015	for (@$callbacks) {
676	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
685	}	1025	}
686		1026
687	0	1027	0
688	}	1028	}
689		1029
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1031
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1033
694	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
695		1035
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1039
700	=back	1040	=back
701		1041
702	=cut	1042	=cut
703		1043
704	#############################################################################	1044	#############################################################################
705	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
706		1088
707	sub reattach {	1089	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1091	my ($obj) = @_;
710		1092
		1093	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1095
713	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
714		1097
715	@$registry = ();	1098	@$registry = ();
716		1099
…		…
731	cf::attachable->attach (	1114	cf::attachable->attach (
732	prio => -1000000,	1115	prio => -1000000,
733	on_instantiate => sub {	1116	on_instantiate => sub {
734	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
735		1118
736	$data = from_json $data;	1119	$data = decode_json $data;
737		1120
738	for (@$data) {	1121	for (@$data) {
739	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
740		1123
741	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1140	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
759		1142
760	sync_job {	1143	sync_job {
761	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
764		1148
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1153	aio_close $fh;
770		1154
771	if (@$objs) {	1155	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1161	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
779	}	1163	}
780	} else {	1164	} else {
781	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
782	}	1166	}
…		…
787	}	1171	}
788	} else {	1172	} else {
789	aio_unlink $filename;	1173	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
791	}	1175	}
792	}	1176	};
793	}	1177	}
794		1178
795	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
797		1181
…		…
809	or return;	1193	or return;
810		1194
811	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
813	or return;	1197	or return;
		1198
814	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
815	}	1201	}
816		1202
		1203	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
819	return ($data, $av);	1207	($data, $av)
820	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
821		1215
822	#############################################################################	1216	#############################################################################
823	# command handling &c	1217	# command handling &c
824		1218
825	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1233	}
840		1234
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1236
843	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
844		1242
845	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
846	called.	1244	called.
847		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
848	=cut	1257	=cut
849		1258
850	sub register_extcmd {	1259	sub register_extcmd {
851	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
852		1261
853	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
854	}	1269	}
855		1270
856	cf::player->attach (	1271	cf::player->attach (
857	on_command => sub {	1272	on_command => sub {
858	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1282	cf::override;
868	},	1283	},
869	on_extcmd => sub {	1284	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
871		1286
872	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1288
874	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
880	} else {	1304	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1306	}
883		1307
884	cf::override;	1308	cf::override;
885	},	1309	},
886	);	1310	);
887		1311
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
923	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1317	next unless -r $path;
925	eval {	1318
926	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
927	1	1375	}
928	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
929	}	1381	};
930	}	1382	}
931		1383
932	#############################################################################	1384	#############################################################################
933		1385
		1386	=back
		1387
934	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
935		1389
936	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
937		1391
938	=cut	1392	=cut
…		…
943		1397
944	=head3 cf::player	1398	=head3 cf::player
945		1399
946	=over 4	1400	=over 4
947		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
948	=item cf::player::find $login	1416	=item cf::player::find $login
949		1417
950	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
951		1419
952	=cut	1420	=cut
953		1421
954	sub playerdir($) {	1422	sub playerdir($) {
955	cf::localdir	1423	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1425	}
961		1426
962	sub path($) {	1427	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1429
965	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
966	}	1431	}
967		1432
968	sub find_active($) {	1433	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1448	my $login = $_[0];
984		1449
985	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
986		1451
987	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
989	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
991	}	1469	}
992	}	1470	}
993	}	1471	}
994		1472
…		…
1003	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1004		1482
1005	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1007		1485
		1486	cf::get_slot 0.01;
		1487
1008	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1009	Coro::cede;	1489	cf::cede_to_tick;
1010	}	1490	}
1011		1491
1012	sub new($) {	1492	sub new($) {
1013	my ($login) = @_;	1493	my ($login) = @_;
1014		1494
…		…
1020	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1021		1501
1022	$self	1502	$self
1023	}	1503	}
1024		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1025	=item $pl->quit_character	1515	=item $pl->quit_character
1026		1516
1027	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1029		1519
…		…
1037	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1039		1529
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1044		1536
1045	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1076	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1077		1569
1078	=cut	1570	=cut
1079		1571
1080	sub list_logins {	1572	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1574	or return [];
1083		1575
1084	my @logins;	1576	my @logins;
1085		1577
1086	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1090		1588
1091	utf8::decode $login;	1589	utf8::decode $login;
1092	push @logins, $login;	1590	push @logins, $login;
1093	}	1591	}
1094		1592
…		…
1121	}	1619	}
1122		1620
1123	\@paths	1621	\@paths
1124	}	1622	}
1125		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1127		1720
1128	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1129		1722
1130	=cut	1723	=cut
1131		1724
1132	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1134		1727
1135	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1729	}
1139		1730
1140	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1141		1771
1142	=back	1772	=back
1143
1144		1773
1145	=head3 cf::map	1774	=head3 cf::map
1146		1775
1147	=over 4	1776	=over 4
1148		1777
…		…
1160	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1162		1791
1163	sub generate_random_map {	1792	sub generate_random_map {
1164	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1165	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1166	$self->_create_random_map (	1798	$self->_create_random_map (
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1203	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1204		1836
1205	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1206	local $self->{path};	1838	local $self->{path};
1207	local $self->{load_path};	1839	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1840
1211	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1212	}	1842	}
1213		1843
1214	sub normalise {	1844	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1262	return $self;	1892	return $self;
1263	}	1893	}
1264	}	1894	}
1265		1895
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1897	()
1268	}	1898	}
1269		1899
1270	sub init {	1900	sub init {
1271	my ($self) = @_;	1901	my ($self) = @_;
…		…
1286		1916
1287	# the original (read-only) location	1917	# the original (read-only) location
1288	sub load_path {	1918	sub load_path {
1289	my ($self) = @_;	1919	my ($self) = @_;
1290		1920
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1292	}	1922	}
1293		1923
1294	# the temporary/swap location	1924	# the temporary/swap location
1295	sub save_path {	1925	sub save_path {
1296	my ($self) = @_;	1926	my ($self) = @_;
1297		1927
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1300	}	1930	}
1301		1931
1302	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1303	sub uniq_path {	1933	sub uniq_path {
1304	my ($self) = @_;	1934	my ($self) = @_;
1305		1935
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1308	}	1938	}
1309		1939
1310	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1311	# all maps in C++...	1941	# all maps in C++...
1312	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1314		1944
1315	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1317	}	1947	}
1318		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1319	sub unlink_save {	1957	sub unlink_save {
1320	my ($self) = @_;	1958	my ($self) = @_;
1321		1959
1322	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1964
1327	sub load_header_from($) {	1965	sub load_header_from($) {
1328	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1329		1967
1330	utf8::encode $path;	1968	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1336		1977
1337	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1338		1979
1339	1	1980	1
1340	}	1981	}
…		…
1379	$self->load_header_orig	2020	$self->load_header_orig
1380	or return;	2021	or return;
1381	$self->prepare_orig;	2022	$self->prepare_orig;
1382	}	2023	}
1383		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
		2030
1384	1	2031	1
1385	}	2032	}
1386		2033
1387	sub find;	2034	sub find;
1388	sub find {	2035	sub find {
1389	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1390		2037
1391	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1392		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1394		2042
1395	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1396	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1397	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1398	or return;	2048	or return;
1399		2049
1400	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1401		2051
1402	$map->load_header	2052	$map->load_header
1403	or return;	2053	or return;
1404		2054
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1408	$map->reset;	2060	$map->reset;
1409	undef $guard;
1410	return find $path;	2061	return find $path;
1411	}	2062	}
1412		2063
1413	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1414	}	2065	}
…		…
1421	my ($self) = @_;	2072	my ($self) = @_;
1422		2073
1423	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1424		2075
1425	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1427		2080
		2081	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		2083
1430	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1431		2085
1432	$self->alloc;	2086	$self->alloc;
1433		2087
1434	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1435		2090
1436	$self->_load_objects ($self->{load_path}, 1)	2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1437	or return;	2094	or return;
1438		2095
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1440	if delete $self->{load_original};	2097	if delete $self->{load_original};
1441		2098
1442	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2100	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2103	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1447	}	2107	}
1448	}	2108	}
1449		2109
1450	Coro::cede;	2110	$f->resolve_delayed_derefs;
1451		2111
		2112	cf::cede_to_tick;
1452	# now do the right thing for maps	2113	# now do the right thing for maps
1453	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2116	unless $self->difficulty;
1463	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1464	$self->activate;	2126	$self->activate;
		2127	}
		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
		2132	$self->in_memory (cf::MAP_ACTIVE);
1465	}	2133	}
1466		2134
1467	$self->post_load;	2135	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	2136	}
1471		2137
1472	sub customise_for {	2138	sub customise_for {
1473	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1474		2140
1475	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2142	if $self->per_player;
1477		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1478	$self	2147	$self
1479	}	2148	}
1480		2149
1481	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	2151	sub load_neighbours {
1483	my ($map) = @_;	2152	my ($map) = @_;
1484		2153
1485	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1486		2155
1487	for (0 .. 3) {	2156	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1489	or next;	2158	or next;
1490	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1491	or next;	2160	or next;
1492	$neigh->load;	2161	$neigh->load;
1493		2162
		2163	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2166	}
1497		2167
1498	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1500	or next;	2171	or next;
1501	$neigh->load;	2172	$neigh->load;
1502	}	2173	}
1503	}	2174	}
1504		2175
…		…
1509	}	2180	}
1510		2181
1511	sub do_load_sync {	2182	sub do_load_sync {
1512	my ($map) = @_;	2183	my ($map) = @_;
1513		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1514	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1515	}	2189	}
1516		2190
1517	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1519		2193
1520	sub find_async {	2194	sub find_async {
1521	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1522		2196
1523	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1524		2198
1525	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1527	}	2201	}
1528		2202
1529	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1530	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1531	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2210	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2211	$map->load if $v;
		2212	}
1536		2213
1537	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1538	}	2215	}
1539	}	2216	}
1540	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1541	};	2218	};
1542	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2222	}
1546		2223
1547	sub save {	2224	sub save {
1548	my ($self) = @_;	2225	my ($self) = @_;
1549		2226
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2228
1552	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1553		2230
1554	return unless $self->dirty;	2231	return unless $self->dirty;
1555		2232
…		…
1561	return if $self->{deny_save};	2238	return if $self->{deny_save};
1562		2239
1563	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1564		2241
1565	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1567	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1568		2248
1569	if ($uniq) {	2249	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2252	} else {
…		…
1578	my ($self) = @_;	2258	my ($self) = @_;
1579		2259
1580	# save first because save cedes	2260	# save first because save cedes
1581	$self->save;	2261	$self->save;
1582		2262
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2264
1585	return if $self->players;	2265	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1587	return if $self->{deny_save};	2267	return if $self->{deny_save};
1588		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2273	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2274	}
1592		2275
1593	sub reset_at {	2276	sub reset_at {
1594	my ($self) = @_;	2277	my ($self) = @_;
1595		2278
1596	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1599		2281
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2284
…		…
1613	my ($self) = @_;	2295	my ($self) = @_;
1614		2296
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2298
1617	return if $self->players;	2299	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2300
1620	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
1621		2302
1622	$self->in_memory (cf::MAP_SWAPPED);	2303	$self->in_memory (cf::MAP_SWAPPED);
1623		2304
1624	# need to save uniques path	2305	# need to save uniques path
1625	unless ($self->{deny_save}) {	2306	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2310	if $uniq;
1630	}	2311	}
1631		2312
1632	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1633		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2317	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2318
1638	$self->unlink_save;	2319	$self->unlink_save;
1639	$self->destroy;	2320	$self->destroy;
1640	}	2321	}
1641		2322
1642	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1643		2324
1644	sub nuke {	2325	sub nuke {
1645	my ($self) = @_;	2326	my ($self) = @_;
1646		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1647	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1648		2332
1649	$self->unlink_save;	2333	$self->unlink_save;
1650		2334
1651	bless $self, "cf::map";	2335	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2340
1657	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1658		2343
1659	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1660	}	2381	}
1661		2382
1662	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1663		2384
1664	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2386	instantiated unique items. May block.
1666		2387
1667	=cut	2388	=cut
1668		2389
1669	sub unique_maps() {	2390	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1671	or return;	2392	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2393	utf8::decode $_;
1677	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2396	? ()
1680	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2399	]
1682
1683	\@paths
1684	}	2400	}
1685
1686	package cf;
1687		2401
1688	=back	2402	=back
1689		2403
1690	=head3 cf::object	2404	=head3 cf::object
1691		2405
…		…
1695		2409
1696	=over 4	2410	=over 4
1697		2411
1698	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1699		2413
1700	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1701		2416
1702	=cut	2417	=cut
1703		2418
1704	sub inv_recursive_;	2419	sub inv_recursive_;
1705	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1708		2423
1709	sub inv_recursive {	2424	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1711	}	2426	}
1712		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1713	package cf;	2456	package cf;
1714		2457
1715	=back	2458	=back
1716		2459
1717	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1723	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1724	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1725	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1726		2469
1727	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1728		2485
1729	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2487	# with dialog boxes.
1731	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1732	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1734		2491
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2493
1737	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1739	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1742	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1743	}	2519	}
1744		2520
1745	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1746		2522
1747	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1795		2571
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2573
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1800		2576
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2578	}
1803		2579
1804	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1806		2584
1807	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1808		2586
1809	unless ($map) {	2587	unless ($map) {
1810	# restore original map position	2588	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1827		2605
1828	$map->load;	2606	$map->load;
1829	$map->load_diag;	2607	$map->load_neighbours;
1830		2608
1831	return unless $self->contr->active;	2609	return unless $self->contr->active;
1832	$self->activate_recursive;	2610	$self->activate_recursive;
1833		2611
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1836	}	2614	}
1837		2615
1838	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2617
1842	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1846	};	2622	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2623
1852	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1853	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869		2626
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1873		2630
1874	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2636
1877	$self->enter_link;	2637	$self->enter_link;
1878		2638
1879	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1880	my $map = eval {	2661	my $map = eval {
1881	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1883	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2677	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1888	})->prio (1);	2685	})->prio (1);
1889	}	2686	}
1890		2687
1891	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1892		2689
…		…
1912	}	2709	}
1913		2710
1914	sub prepare_random_map {	2711	sub prepare_random_map {
1915	my ($exit) = @_;	2712	my ($exit) = @_;
1916		2713
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2716	# that depends on the exit object
1922		2717
1923	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2720	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1930	}	2727	}
1931		2728
1932	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1933		2730
1934	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1937		2734
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2737	undef $fh;
1941	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1942		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1945	}	2746	}
1946	}	2747	}
1947		2748
1948	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1950		2751
1951	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1952		2753
1953	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
1955	cf::sync_job { prepare_random_map $exit };
1956	}
1957
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;
1961
1962	$self->enter_link;	2754	$self->enter_link;
1963		2755
1964	(async {	2756	(async {
1965	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1966	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
1967	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1968		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1969	1;	2780	1
1970	}) {	2781	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2786
1976	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2788	$self->leave_link;
1978	}	2789	}
1979	})->prio (1);	2790	})->prio (1);
…		…
1992		2803
1993	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1995		2806
1996	utf8::encode $text;	2807	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2809	}
1999		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2914	} else {
		2915	if ($color >= 0) {
		2916	# replace some tags by gcfclient-compatible ones
		2917	for ($msg) {
		2918	1 while
		2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2924	}
		2925
		2926	$color &= cf::NDI_COLOR_MASK;
		2927
		2928	utf8::encode $msg;
		2929
		2930	if (0 && $msg =~ /\[/) {
		2931	# COMMAND/INFO
		2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2933	} else {
		2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2935	$self->send_packet ("drawinfo $color $msg")
		2936	}
		2937	}
		2938	}
		2939	}
		2940
		2941	=item $client->ext_msg ($type, @msg)
		2942
		2943	Sends an ext event to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_msg($$@) {
		2948	my ($self, $type, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2952	} elsif ($self->extcmd == 1) { # TODO: remove
		2953	push @msg, msgtype => "event_$type";
		2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2955	}
		2956	}
		2957
		2958	=item $client->ext_reply ($msgid, @msg)
		2959
		2960	Sends an ext reply to the client.
		2961
		2962	=cut
		2963
		2964	sub cf::client::ext_reply($$@) {
		2965	my ($self, $id, @msg) = @_;
		2966
		2967	if ($self->extcmd == 2) {
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2969	} elsif ($self->extcmd == 1) {
		2970	#TODO: version 1, remove
		2971	unshift @msg, msgtype => "reply", msgid => $id;
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2973	}
		2974	}
2000		2975
2001	=item $success = $client->query ($flags, "text", \&cb)	2976	=item $success = $client->query ($flags, "text", \&cb)
2002		2977
2003	Queues a query to the client, calling the given callback with	2978	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2979	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2980	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2981
2007	Queries can fail, so check the return code. Or don't, as queries will become	2982	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2983	become reliable at some point in the future.
2009		2984
2010	=cut	2985	=cut
2011		2986
2012	sub cf::client::query {	2987	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2988	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2996	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2997	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2998
2024	$self->send_packet ($self->{query_queue}[0][0])	2999	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	3000	if @{ $self->{query_queue} } == 1;
		3001
		3002	1
2026	}	3003	}
2027		3004
2028	cf::client->attach (	3005	cf::client->attach (
		3006	on_connect => sub {
		3007	my ($ns) = @_;
		3008
		3009	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3010	},
2029	on_reply => sub {	3011	on_reply => sub {
2030	my ($ns, $msg) = @_;	3012	my ($ns, $msg) = @_;
2031		3013
2032	# this weird shuffling is so that direct followup queries	3014	# this weird shuffling is so that direct followup queries
2033	# get handled first	3015	# get handled first
…		…
2045	} else {	3027	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3028	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3029	}
2048	}	3030	}
2049	},	3031	},
		3032	on_exticmd => sub {
		3033	my ($ns, $buf) = @_;
		3034
		3035	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3036
		3037	if (ref $msg) {
		3038	my ($type, $reply, @payload) =
		3039	"ARRAY" eq ref $msg
		3040	? @$msg
		3041	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3042
		3043	my @reply;
		3044
		3045	if (my $cb = $EXTICMD{$type}) {
		3046	@reply = $cb->($ns, @payload);
		3047	}
		3048
		3049	$ns->ext_reply ($reply, @reply)
		3050	if $reply;
		3051
		3052	} else {
		3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3054	}
		3055
		3056	cf::override;
		3057	},
2050	);	3058	);
2051		3059
2052	=item $client->async (\&cb)	3060	=item $client->async (\&cb)
2053		3061
2054	Create a new coroutine, running the specified callback. The coroutine will	3062	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	3103	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3104	our $safe_hole = new Safe::Hole;
2097		3105
2098	$SIG{FPE} = 'IGNORE';	3106	$SIG{FPE} = 'IGNORE';
2099		3107
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3108	$safe->permit_only (Opcode::opset qw(
		3109	:base_core :base_mem :base_orig :base_math
		3110	grepstart grepwhile mapstart mapwhile
		3111	sort time
		3112	));
2101		3113
2102	# here we export the classes and methods available to script code	3114	# here we export the classes and methods available to script code
2103		3115
2104	=pod	3116	=pod
2105		3117
2106	The following fucntions and emthods are available within a safe environment:	3118	The following functions and methods are available within a safe environment:
2107		3119
2108	cf::object contr pay_amount pay_player map	3120	cf::object
		3121	contr pay_amount pay_player map x y force_find force_add destroy
		3122	insert remove name archname title slaying race decrease split
		3123
2109	cf::object::player player	3124	cf::object::player
2110	cf::player peaceful	3125	player
2111	cf::map trigger	3126
		3127	cf::player
		3128	peaceful
		3129
		3130	cf::map
		3131	trigger
2112		3132
2113	=cut	3133	=cut
2114		3134
2115	for (	3135	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3137	insert remove inv nrof name archname title slaying race
		3138	decrease split destroy change_exp)],
2117	["cf::object::player" => qw(player)],	3139	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3140	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	3141	["cf::map" => qw(trigger)],
2120	) {	3142	) {
2121	no strict 'refs';	3143	no strict 'refs';
…		…
2192	=back	3214	=back
2193		3215
2194	=cut	3216	=cut
2195		3217
2196	#############################################################################	3218	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	3219	# the server's init and main functions
2270		3220
2271	sub init_resources {	3221	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3222	my ($path) = @_;
		3223
		3224	# HACK to clear player env face cache, we need some signal framework
		3225	# for this (global event?)
		3226	%ext::player_env::MUSIC_FACE_CACHE = ();
		3227
		3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3229
		3230	warn "loading facedata from $path\n";
		3231
		3232	my $facedata;
		3233	0 < aio_load $path, $facedata
		3234	or die "$path: $!";
		3235
		3236	$facedata = Coro::Storable::thaw $facedata;
		3237
		3238	$facedata->{version} == 2
		3239	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3240
		3241	# patch in the exptable
		3242	$facedata->{resource}{"res/exp_table"} = {
		3243	type => FT_RSRC,
		3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3245	};
		3246	cf::cede_to_tick;
		3247
		3248	{
		3249	my $faces = $facedata->{faceinfo};
		3250
		3251	while (my ($face, $info) = each %$faces) {
		3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3253
		3254	cf::face::set_visibility $idx, $info->{visibility};
		3255	cf::face::set_magicmap $idx, $info->{magicmap};
		3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261
		3262	while (my ($face, $info) = each %$faces) {
		3263	next unless $info->{smooth};
		3264
		3265	my $idx = cf::face::find $face
		3266	or next;
		3267
		3268	if (my $smooth = cf::face::find $info->{smooth}) {
		3269	cf::face::set_smooth $idx, $smooth;
		3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3271	} else {
		3272	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	{
		3280	my $anims = $facedata->{animinfo};
		3281
		3282	while (my ($anim, $info) = each %$anims) {
		3283	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3284	cf::cede_to_tick;
		3285	}
		3286
		3287	cf::anim::invalidate_all; # d'oh
		3288	}
		3289
		3290	{
		3291	# TODO: for gcfclient pleasure, we should give resources
		3292	# that gcfclient doesn't grok a >10000 face index.
		3293	my $res = $facedata->{resource};
		3294
		3295	while (my ($name, $info) = each %$res) {
		3296	if (defined $info->{type}) {
		3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3298	my $data;
		3299
		3300	if ($info->{type} & 1) {
		3301	# prepend meta info
		3302
		3303	my $meta = $enc->encode ({
		3304	name => $name,
		3305	%{ $info->{meta} || {} },
		3306	});
		3307
		3308	$data = pack "(w/a*)*", $meta, $info->{data};
		3309	} else {
		3310	$data = $info->{data};
		3311	}
		3312
		3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3314	cf::face::set_type $idx, $info->{type};
		3315	} else {
		3316	$RESOURCE{$name} = $info;
		3317	}
		3318
		3319	cf::cede_to_tick;
		3320	}
		3321	}
		3322
		3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3324
		3325	1
		3326	}
		3327
		3328	cf::global->attach (on_resource_update => sub {
		3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3331
		3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3333	my $sound = $soundconf->{compat}[$_]
		3334	or next;
		3335
		3336	my $face = cf::face::find "sound/$sound->[1]";
		3337	cf::sound::set $sound->[0] => $face;
		3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3339	}
		3340
		3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3342	my $face = cf::face::find "sound/$v";
		3343	cf::sound::set $k => $face;
		3344	}
		3345	}
		3346	});
		3347
		3348	register_exticmd fx_want => sub {
		3349	my ($ns, $want) = @_;
		3350
		3351	while (my ($k, $v) = each %$want) {
		3352	$ns->fx_want ($k, $v);
		3353	}
		3354	};
		3355
		3356	sub load_resource_file($) {
		3357	my $guard = lock_acquire "load_resource_file";
		3358
		3359	my $status = load_resource_file_ $_[0];
		3360	get_slot 0.1, 100;
		3361	cf::arch::commit_load;
		3362
		3363	$status
		3364	}
		3365
		3366	sub reload_regions {
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3372	or die "unable to load regions file\n";
2274	}
2275		3373
2276	sub cfg_load {	3374	for (cf::region::list) {
		3375	$_->{match} = qr/$_->{match}/
		3376	if exists $_->{match};
		3377	}
		3378	}
		3379
		3380	sub reload_facedata {
		3381	load_facedata "$DATADIR/facedata"
		3382	or die "unable to load facedata\n";
		3383	}
		3384
		3385	sub reload_archetypes {
		3386	load_resource_file "$DATADIR/archetypes"
		3387	or die "unable to load archetypes\n";
		3388	}
		3389
		3390	sub reload_treasures {
		3391	load_resource_file "$DATADIR/treasures"
		3392	or die "unable to load treasurelists\n";
		3393	}
		3394
		3395	sub reload_resources {
		3396	warn "reloading resource files...\n";
		3397
		3398	reload_facedata;
		3399	reload_archetypes;
		3400	reload_regions;
		3401	reload_treasures;
		3402
		3403	warn "finished reloading resource files\n";
		3404	}
		3405
		3406	sub init {
		3407	my $guard = freeze_mainloop;
		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	reload_resources;
		3412	}
		3413
		3414	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3415	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3416	or return;
2279		3417
2280	local $/;	3418	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3419	*CFG = YAML::Load <$fh>;
2282		3420
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3422
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2292	};	3430	};
2293	warn $@ if $@;	3431	warn $@ if $@;
2294	}	3432	}
2295	}	3433	}
2296		3434
2297	sub init {
2298	init_resources;
2299	}
2300
2301	sub main {	3435	sub main {
2302	# we must not ever block the main coroutine	3436	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3437	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3439	(async {
2306	Event::one_event;	3440	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3441	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3442	})->prio (Coro::PRIO_MAX);
2308	};	3443	};
2309		3444
2310	cfg_load;	3445	{
		3446	my $guard = freeze_mainloop;
		3447	reload_config;
2311	db_init;	3448	db_init;
2312	load_extensions;	3449	load_extensions;
2313		3450
2314	$TICK_WATCHER->start;	3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3452	}
		3453
2315	Event::loop;	3454	EV::loop;
2316	}	3455	}
2317		3456
2318	#############################################################################	3457	#############################################################################
2319	# initialisation and cleanup	3458	# initialisation and cleanup
2320		3459
2321	# install some emergency cleanup handlers	3460	# install some emergency cleanup handlers
2322	BEGIN {	3461	BEGIN {
		3462	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3463	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3465	cf::cleanup "SIG$signal";
2331	},
2332	);	3466	};
		3467	}
		3468	}
		3469
		3470	sub write_runtime_sync {
		3471	my $runtime = "$LOCALDIR/runtime";
		3472
		3473	# first touch the runtime file to show we are still running:
		3474	# the fsync below can take a very very long time.
		3475
		3476	IO::AIO::aio_utime $runtime, undef, undef;
		3477
		3478	my $guard = cf::lock_acquire "write_runtime";
		3479
		3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3481	or return;
		3482
		3483	my $value = $cf::RUNTIME + 90 + 10;
		3484	# 10 is the runtime save interval, for a monotonic clock
		3485	# 60 allows for the watchdog to kill the server.
		3486
		3487	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3488	and return;
		3489
		3490	# always fsync - this file is important
		3491	aio_fsync $fh
		3492	and return;
		3493
		3494	# touch it again to show we are up-to-date
		3495	aio_utime $fh, undef, undef;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$runtime~", $runtime
		3501	and return;
		3502
		3503	warn "runtime file written.\n";
		3504
2333	}	3505	1
		3506	}
		3507
		3508	our $uuid_lock;
		3509	our $uuid_skip;
		3510
		3511	sub write_uuid_sync($) {
		3512	$uuid_skip ||= $_[0];
		3513
		3514	return if $uuid_lock;
		3515	local $uuid_lock = 1;
		3516
		3517	my $uuid = "$LOCALDIR/uuid";
		3518
		3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3520	or return;
		3521
		3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3523	$uuid_skip = 0;
		3524
		3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3526	and return;
		3527
		3528	# always fsync - this file is important
		3529	aio_fsync $fh
		3530	and return;
		3531
		3532	close $fh
		3533	or return;
		3534
		3535	aio_rename "$uuid~", $uuid
		3536	and return;
		3537
		3538	warn "uuid file written ($value).\n";
		3539
		3540	1
		3541
		3542	}
		3543
		3544	sub write_uuid($$) {
		3545	my ($skip, $sync) = @_;
		3546
		3547	$sync ? write_uuid_sync $skip
		3548	: async { write_uuid_sync $skip };
2334	}	3549	}
2335		3550
2336	sub emergency_save() {	3551	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3552	my $freeze_guard = cf::freeze_mainloop;
2338		3553
…		…
2344	# and maps saved/destroyed asynchronously.	3559	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3560	warn "begin emergency player save\n";
2346	for my $login (keys %cf::PLAYER) {	3561	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3562	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3563	$pl->valid or next;
		3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3565	$pl->save;
2350	}	3566	}
2351	warn "end emergency player save\n";	3567	warn "end emergency player save\n";
2352		3568
2353	warn "begin emergency map save\n";	3569	warn "begin emergency map save\n";
…		…
2359	warn "end emergency map save\n";	3575	warn "end emergency map save\n";
2360		3576
2361	warn "begin emergency database checkpoint\n";	3577	warn "begin emergency database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3578	BDB::db_env_txn_checkpoint $DB_ENV;
2363	warn "end emergency database checkpoint\n";	3579	warn "end emergency database checkpoint\n";
		3580
		3581	warn "begin write uuid\n";
		3582	write_uuid_sync 1;
		3583	warn "end write uuid\n";
2364	};	3584	};
2365		3585
2366	warn "leave emergency perl save\n";	3586	warn "leave emergency perl save\n";
2367	}	3587	}
2368		3588
…		…
2371		3591
2372	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3593	if $make_core;
2374	}	3594	}
2375		3595
		3596	# a safer delete_package, copied from Symbol
		3597	sub clear_package($) {
		3598	my $pkg = shift;
		3599
		3600	# expand to full symbol table name if needed
		3601	unless ($pkg =~ /^main::.*::$/) {
		3602	$pkg = "main$pkg" if $pkg =~ /^::/;
		3603	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3604	$pkg .= '::' unless $pkg =~ /::$/;
		3605	}
		3606
		3607	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3608	my $stem_symtab = *{$stem}{HASH};
		3609
		3610	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3611	or return;
		3612
		3613	# clear all symbols
		3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3615	for my $name (keys %$leaf_symtab) {
		3616	_gv_clear *{"$pkg$name"};
		3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3618	}
		3619	warn "cleared package #$pkg\n";#d#
		3620	}
		3621
		3622	our $RELOAD; # how many times to reload
		3623
2376	sub reload() {	3624	sub do_reload_perl() {
2377	# can/must only be called in main	3625	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3627	warn "can only reload from main coroutine";
2380	return;	3628	return;
2381	}	3629	}
2382		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2383	warn "reloading...";	3634	warn "reloading...";
2384		3635
2385	warn "entering sync_job";	3636	warn "entering sync_job";
2386		3637
2387	cf::sync_job {	3638	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2389	cf::emergency_save;	3640	cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark	3641	cf::write_runtime_sync; # external watchdog should not bark
2391		3642
2392	warn "syncing database to disk";	3643	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;	3644	BDB::db_env_txn_checkpoint $DB_ENV;
2394		3645
2395	# if anything goes wrong in here, we should simply crash as we already saved	3646	# if anything goes wrong in here, we should simply crash as we already saved
2396		3647
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";	3648	warn "flushing outstanding aio requests";
2403	for (;;) {
2404	BDB::flush;
2405	IO::AIO::flush;
2406	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2408	warn "iterate...";	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2409	}
2410
2411	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();
2414
2415	warn "removing commands";
2416	%COMMAND = ();
2417
2418	warn "removing ext commands";
2419	%EXTCMD = ();
2420
2421	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";
2424
2425	if (my $cb = $pkg->can ("unload")) {
2426	eval {
2427	$cb->($pkg);
2428	1
2429	} or warn "$pkg unloaded, but with errors: $@";
2430	}	3651	}
2431		3652
2432	warn "... nuking $pkg";	3653	warn "cancelling all extension coros";
2433	Symbol::delete_package $pkg;	3654	$_->cancel for values %EXT_CORO;
2434	}	3655	%EXT_CORO = ();
2435		3656
2436	warn "unloading all perl modules loaded from $LIBDIR";	3657	warn "removing commands";
2437	while (my ($k, $v) = each %INC) {	3658	%COMMAND = ();
2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2439		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2440	warn "... unloading $k";	3666	warn "... unloading $pkg";
2441	delete $INC{$k};
2442		3667
2443	$k =~ s/\.pm$//;
2444	$k =~ s/\//::/g;
2445
2446	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2447	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2448	}	3677	}
2449		3678
2450	Symbol::delete_package $k;	3679	warn "unloading all perl modules loaded from $LIBDIR";
		3680	while (my ($k, $v) = each %INC) {
		3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3682
		3683	warn "... unloading $k";
		3684	delete $INC{$k};
		3685
		3686	$k =~ s/\.pm$//;
		3687	$k =~ s/\//::/g;
		3688
		3689	if (my $cb = $k->can ("unload_module")) {
		3690	$cb->();
		3691	}
		3692
		3693	clear_package $k;
2451	}	3694	}
2452		3695
2453	warn "getting rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2454	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3699
2457	warn "unloading cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
		3702	delete $INC{"cf/pod.pm"};
2459		3703
2460	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3705	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2463		3707
2464	warn "unload completed, starting to reload now";	3708	warn "unload completed, starting to reload now";
2465		3709
2466	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2467	require cf;	3711	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3713
2470	warn "loading config and database again";	3714	warn "loading config and database again";
2471	cf::cfg_load;	3715	cf::reload_config;
2472		3716
2473	warn "loading extensions";	3717	warn "loading extensions";
2474	cf::load_extensions;	3718	cf::load_extensions;
2475		3719
2476	warn "reattaching attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3721	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3722	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
		3724	warn "reattaching attachments to players";
		3725	reattach $_ for values %PLAYER;
2480		3726
2481	warn "loading reloadable resources";
2482	init_resources;
2483
2484	warn "leaving sync_job";	3727	warn "leaving sync_job";
2485		3728
2486	1	3729	1
2487	} or do {	3730	} or do {
2488	warn $@;	3731	warn $@;
2489	warn "error while reloading, exiting.";	3732	cf::cleanup "error while reloading, exiting.";
2490	exit 1;	3733	};
		3734
		3735	warn "reloaded";
		3736	--$RELOAD;
		3737	}
		3738	};
		3739
		3740	our $RELOAD_WATCHER; # used only during reload
		3741
		3742	sub reload_perl() {
		3743	# doing reload synchronously and two reloads happen back-to-back,
		3744	# coro crashes during coro_state_free->destroy here.
		3745
		3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3747	do_reload_perl;
		3748	undef $RELOAD_WATCHER;
2491	};	3749	};
2492		3750	}
2493	warn "reloaded";
2494	};
2495
2496	our $RELOAD_WATCHER; # used only during reload
2497		3751
2498	register_command "reload" => sub {	3752	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3753	my ($who, $arg) = @_;
2500		3754
2501	if ($who->flag (FLAG_WIZ)) {	3755	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3756	$who->message ("reloading server.");
2503		3757	async {
2504	# doing reload synchronously and two reloads happen back-to-back,	3758	$Coro::current->{desc} = "perl_reload";
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;	3759	reload_perl;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);	3760	};
2516	}	3761	}
2517	};	3762	};
2518		3763
2519	unshift @INC, $LIBDIR;	3764	unshift @INC, $LIBDIR;
2520		3765
2521	my $bug_warning = 0;	3766	my $bug_warning = 0;
2522		3767
2523	$TICK_WATCHER = Event->timer (	3768	our @WAIT_FOR_TICK;
2524	reentrant => 0,	3769	our @WAIT_FOR_TICK_BEGIN;
2525	parked => 1,	3770
2526	prio => 0,	3771	sub wait_for_tick {
2527	at => $NEXT_TICK || $TICK,	3772	return if tick_inhibit || $Coro::current == $Coro::main;
2528	data => WF_AUTOCANCEL,	3773
2529	cb => sub {	3774	my $signal = new Coro::Signal;
		3775	push @WAIT_FOR_TICK, $signal;
		3776	$signal->wait;
		3777	}
		3778
		3779	sub wait_for_tick_begin {
		3780	return if tick_inhibit || $Coro::current == $Coro::main;
		3781
		3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK_BEGIN, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub tick {
2530	if ($Coro::current != $Coro::main) {	3788	if ($Coro::current != $Coro::main) {
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3789	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3790	unless ++$bug_warning > 10;
2533	return;	3791	return;
2534	}	3792	}
2535		3793
2536	$NOW = Event::time;
2537
2538	cf::server_tick; # one server iteration	3794	cf::server_tick; # one server iteration
2539	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;
2541		3795
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2544	Coro::async_pool {	3798	Coro::async_pool {
		3799	$Coro::current->{desc} = "runtime saver";
2545	write_runtime	3800	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3801	or warn "ERROR: unable to write runtime file: $!";
2547	};
2548	}	3802	};
2549
2550	$WAIT_FOR_TICK->broadcast;
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552
2553	# my $AFTER = Event::time;
2554	# warn $AFTER - $NOW;#d#
2555
2556	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2558
2559	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;
2561	},	3803	}
2562	);	3804
		3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3806	$sig->send;
		3807	}
		3808	while (my $sig = shift @WAIT_FOR_TICK) {
		3809	$sig->send;
		3810	}
		3811
		3812	$LOAD = ($NOW - $TICK_START) / $TICK;
		3813	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3814
		3815	if (0) {
		3816	if ($NEXT_TICK) {
		3817	my $jitter = $TICK_START - $NEXT_TICK;
		3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3819	warn "jitter $JITTER\n";#d#
		3820	}
		3821	}
		3822	}
2563		3823
2564	{	3824	{
2565	BDB::max_poll_time $TICK * 0.1;	3825	# configure BDB
2566	$BDB_POLL_WATCHER = Event->io (	3826
2567	reentrant => 0,
2568	fd => BDB::poll_fileno,
2569	poll => 'r',
2570	prio => 0,
2571	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,
2573	);
2574	BDB::min_parallel 8;	3827	BDB::min_parallel 8;
2575		3828	BDB::max_poll_reqs $TICK * 0.1;
2576	BDB::set_sync_prepare {	3829	$AnyEvent::BDB::WATCHER->priority (1);
2577	my $status;
2578	my $current = $Coro::current;
2579	(
2580	sub {
2581	$status = $!;
2582	$current->ready; undef $current;
2583	},
2584	sub {
2585	Coro::schedule while defined $current;
2586	$! = $status;
2587	},
2588	)
2589	};
2590		3830
2591	unless ($DB_ENV) {	3831	unless ($DB_ENV) {
2592	$DB_ENV = BDB::db_env_create;	3832	$DB_ENV = BDB::db_env_create;
		3833	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3834	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3835	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3836	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3837	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2593		3838
2594	cf::sync_job {	3839	cf::sync_job {
2595	eval {	3840	eval {
2596	BDB::db_env_open	3841	BDB::db_env_open
2597	$DB_ENV,	3842	$DB_ENV,
2598	$BDB_ENV_DIR,	3843	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3844	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3845	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3846	0666;
2602		3847
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3848	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;
2607	};	3849	};
2608		3850
2609	cf::cleanup "db_env_open(db): $@" if $@;	3851	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	3852	};
2611	}	3853	}
		3854
		3855	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3856	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3857	};
		3858	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3859	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3860	};
		3861	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3862	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3863	};
2612	}	3864	}
2613		3865
2614	{	3866	{
		3867	# configure IO::AIO
		3868
2615	IO::AIO::min_parallel 8;	3869	IO::AIO::min_parallel 8;
2616
2617	undef $Coro::AIO::WATCHER;
2618	IO::AIO::max_poll_time $TICK * 0.1;	3870	IO::AIO::max_poll_time $TICK * 0.1;
2619	$AIO_POLL_WATCHER = Event->io (	3871	undef $AnyEvent::AIO::WATCHER;
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	fd => IO::AIO::poll_fileno,
2623	poll => 'r',
2624	prio => 6,
2625	cb => \&IO::AIO::poll_cb,
2626	);
2627	}	3872	}
		3873
		3874	my $_log_backtrace;
		3875
		3876	sub _log_backtrace {
		3877	my ($msg, @addr) = @_;
		3878
		3879	$msg =~ s/\n//;
		3880
		3881	# limit the # of concurrent backtraces
		3882	if ($_log_backtrace < 2) {
		3883	++$_log_backtrace;
		3884	async {
		3885	$Coro::current->{desc} = "abt $msg";
		3886
		3887	my @bt = fork_call {
		3888	@addr = map { sprintf "%x", $_ } @addr;
		3889	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3890	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3891	or die "addr2line: $!";
		3892
		3893	my @funcs;
		3894	my @res = <$fh>;
		3895	chomp for @res;
		3896	while (@res) {
		3897	my ($func, $line) = splice @res, 0, 2, ();
		3898	push @funcs, "[$func] $line";
		3899	}
		3900
		3901	@funcs
		3902	};
		3903
		3904	LOG llevInfo, "[ABT] $msg\n";
		3905	LOG llevInfo, "[ABT] $_\n" for @bt;
		3906	--$_log_backtrace;
		3907	};
		3908	} else {
		3909	LOG llevInfo, "[ABT] $msg\n";
		3910	LOG llevInfo, "[ABT] [suppressed]\n";
		3911	}
		3912	}
		3913
		3914	# load additional modules
		3915	use cf::pod;
2628		3916
2629	END { cf::emergency_save }	3917	END { cf::emergency_save }
2630		3918
2631	1	3919	1
2632		3920

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