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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.439 by root, Mon Jul 14 16:42:49 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
20	use BDB ();	50	use BDB ();
21	use Data::Dumper;	51	use Data::Dumper;
22	use Digest::MD5;	52	use Digest::MD5;
23	use Fcntl;	53	use Fcntl;
		54	use YAML ();
24	use IO::AIO 2.32 ();	55	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
27		59
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		69
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		71
37	our %COMMAND = ();	72	our %COMMAND = ();
38	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
39		74
40	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
44		80
		81	our $RELOAD; # number of reloads so far
45	our @EVENT;	82	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		83
48	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	85	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
51	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	99	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	105	our $DB_ENV;
58		106
59	our %CFG;	107	our %CFG;
60		108
61	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
63		112
64	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		116
73	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
76	binmode STDOUT;	125	binmode STDOUT;
77	binmode STDERR;	126	binmode STDERR;
78		127
79	# read virtual server time, if available	128	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
84	}	133	}
85		134
86	mkdir cf::localdir;	135	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		137
93	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
94		139
95	sub cf::map::normalise;	140	sub cf::map::normalise;
96		141
…		…
107	=item $cf::RUNTIME	152	=item $cf::RUNTIME
108		153
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	155	every server tick.
111		156
112	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		160
114	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
116		165
117	=item $cf::NOW	166	=item $cf::NOW
118		167
119	The time of the last (current) server tick.	168	The time of the last (current) server tick.
120		169
121	=item $cf::TICK	170	=item $cf::TICK
122		171
123	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
124		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
125	=item %cf::CFG	184	=item %cf::CFG
126		185
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	187	from wherever your confdir points to.
129		188
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		190
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
136		200
137	=back	201	=back
138		202
139	=cut	203	=cut
140		204
141	BEGIN {	205	BEGIN {
142	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	207	my $msg = join "", @_;
144	utf8::encode $msg;
145		208
146	$msg .= "\n"	209	$msg .= "\n"
147	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
148		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
149	LOG llevError, $msg;	214	LOG llevError, $msg;
150	};	215	};
151	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
152		232
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		240
160	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	242	# within the Safe compartment.
162	for my $pkg (qw(	243	for my $pkg (qw(
163	cf::global cf::attachable	244	cf::global cf::attachable
…		…
168	)) {	249	)) {
169	no strict 'refs';	250	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	252	}
172		253
173	$Event::DIED = sub {	254	$EV::DIED = sub {
174	warn "error in event callback: @_";	255	warn "error in event callback: @_";
175	};	256	};
		257
		258	#############################################################################
176		259
177	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
178		261
179	=over 4	262	=over 4
180		263
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	283	$d
201	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
202	}	285	}
203		286
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
207		288
208	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
209		290
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
218		292
219	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
220		294
221	=cut	295	=cut
222		296
223	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
225	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
227		301
228	=item cf::lock_wait $string	302	=item cf::lock_wait $string
229		303
230	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
231		305
…		…
234	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
237	returned.	311	returned.
238		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
239	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
241		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
242	=cut	323	=cut
243		324
244	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
245		327
246	sub lock_wait($) {	328	sub lock_wait($) {
247	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
248		335
249	# wait for lock, if any	336	# wait for lock, if any
250	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	339	Coro::schedule;
…		…
258		345
259	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
260	lock_wait $key;	347	lock_wait $key;
261		348
262	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
263		351
264	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
267	}	356	}
268	}	357	}
269		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
270	sub freeze_mainloop {	365	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
272		367
273	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	369	}
275	$WRITE_RUNTIME_WATCHER->start;	370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
276	};	429	}
277	$WRITE_RUNTIME_WATCHER->stop;	430	};
278	$TICK_WATCHER->stop;	431
279	$guard	432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
280	}	444	}
281		445
282	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
283		447
284	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		453
290	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
291		455
292	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
293		457
294	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
297		462
298	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
301	fast or be very important.	466	fast or be very important.
…		…
304		469
305	sub sync_job(&) {	470	sub sync_job(&) {
306	my ($job) = @_;	471	my ($job) = @_;
307		472
308	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
309	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
311		478
312	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	480
314	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
315		482
316	my $busy = 1;	483	my $busy = 1;
317	my @res;	484	my @res;
318		485
319	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	488	@res = eval { $job->() };
321	warn $@ if $@;	489	warn $@ if $@;
322	undef $busy;	490	undef $busy;
323	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
324		492
325	while ($busy) {	493	while ($busy) {
326	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
327	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
328		504
329	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
330	} else {	506	} else {
331	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
332		508
…		…
352	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
353		529
354	$coro	530	$coro
355	}	531	}
356		532
357	sub write_runtime {	533	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		534
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
361	or return;	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
362		539
363	my $value = $cf::RUNTIME + 90 + 10;	540	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		541
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	sub fork_call(&@) {
368	and return;	543	my ($cb, @args) = @_;
369		544
370	# always fsync - this file is important	545	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	546	# otherwise perl prematurely frees the stuff :/
372	and return;	547	# TODO: investigate and fix (likely this will be rather laborious)
373		548
374	close $fh	549	my @res = Coro::Util::fork_eval {
375	or return;	550	reset_signals;
		551	&$cb
		552	}, @args;
376		553
377	aio_rename "$runtime~", $runtime	554	wantarray ? @res : $res[-1]
378	and return;	555	}
379		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
380	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	720	}
382		721
383	=back	722	=back
384		723
385	=cut	724	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
394		733
395	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	736	Deliantra).
398		737
399	=over 4	738	=over 4
400		739
401	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
402		741
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
566		905
567	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		910
572	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	912	my $pkg = shift @arg;
574		913
575	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
605	}	944	}
606		945
607	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
608	} else {	947	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	949	}
611		950
612	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
613	}	952	}
614		953
…		…
616	if (ref $_[0]) {	955	if (ref $_[0]) {
617	_object_attach @_;	956	_object_attach @_;
618	} else {	957	} else {
619	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
620	}	959	}
		960	_recalc_want;
621	};	961	};
622		962
623	# all those should be optimised	963	# all those should be optimised
624	sub cf::attachable::detach {	964	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
629	reattach ($obj);	969	reattach ($obj);
630	} else {	970	} else {
631	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
632	}	972	}
		973	_recalc_want;
633	};	974	};
634		975
635	sub cf::attachable::attached {	976	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
637		978
…		…
652	";	993	";
653	die if $@;	994	die if $@;
654	}	995	}
655		996
656	our $override;	997	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		999
659	sub override {	1000	sub override {
660	$override = 1;	1001	$override = 1;
661	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
662	}	1003	}
663		1004
664	sub do_invoke {	1005	sub do_invoke {
665	my $event = shift;	1006	my $event = shift;
666	my $callbacks = shift;	1007	my $callbacks = shift;
667		1008
668	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
669		1010
670	local $override;	1011	local $override;
671		1012
672	for (@$callbacks) {	1013	for (@$callbacks) {
673	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
682	}	1023	}
683		1024
684	0	1025	0
685	}	1026	}
686		1027
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1029
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1031
691	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
692		1033
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1037
697	=back	1038	=back
698		1039
699	=cut	1040	=cut
700		1041
701	#############################################################################	1042	#############################################################################
702	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
703		1086
704	sub reattach {	1087	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1089	my ($obj) = @_;
707		1090
…		…
728	cf::attachable->attach (	1111	cf::attachable->attach (
729	prio => -1000000,	1112	prio => -1000000,
730	on_instantiate => sub {	1113	on_instantiate => sub {
731	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
732		1115
733	$data = from_json $data;	1116	$data = decode_json $data;
734		1117
735	for (@$data) {	1118	for (@$data) {
736	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
737		1120
738	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1137	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
756		1139
757	sync_job {	1140	sync_job {
758	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
761		1145
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1150	aio_close $fh;
767		1151
768	if (@$objs) {	1152	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1158	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
776	}	1160	}
777	} else {	1161	} else {
778	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
779	}	1163	}
…		…
784	}	1168	}
785	} else {	1169	} else {
786	aio_unlink $filename;	1170	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
788	}	1172	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1173	};
796	}	1174	}
797		1175
798	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
800		1178
…		…
805		1183
806	sub object_thawer_load {	1184	sub object_thawer_load {
807	my ($filename) = @_;	1185	my ($filename) = @_;
808		1186
809	my ($data, $av);	1187	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1188
814	(aio_load $filename, $data) >= 0	1189	(aio_load $filename, $data) >= 0
815	or return;	1190	or return;
816		1191
817	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
819	or return;	1194	or return;
		1195
820	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
821	}	1198	}
822		1199
		1200	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
825	return ($data, $av);	1204	($data, $av)
826	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
827		1212
828	#############################################################################	1213	#############################################################################
829	# command handling &c	1214	# command handling &c
830		1215
831	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1230	}
846		1231
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1233
849	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
850		1239
851	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
852	called.	1241	called.
853		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
854	=cut	1254	=cut
855		1255
856	sub register_extcmd {	1256	sub register_extcmd {
857	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
858		1258
859	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
860	}	1266	}
861		1267
862	cf::player->attach (	1268	cf::player->attach (
863	on_command => sub {	1269	on_command => sub {
864	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1279	cf::override;
874	},	1280	},
875	on_extcmd => sub {	1281	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
877		1283
878	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1285
880	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
886	} else {	1301	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1303	}
889		1304
890	cf::override;	1305	cf::override;
891	},	1306	},
892	);	1307	);
893		1308
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
929	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1314	next unless -r $path;
931	eval {	1315
932	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
933	1	1372	}
934	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
935	}	1378	};
936	}	1379	}
937		1380
938	#############################################################################	1381	#############################################################################
939		1382
		1383	=back
		1384
940	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
941		1386
942	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
943		1388
944	=cut	1389	=cut
…		…
949		1394
950	=head3 cf::player	1395	=head3 cf::player
951		1396
952	=over 4	1397	=over 4
953		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
954	=item cf::player::find $login	1413	=item cf::player::find $login
955		1414
956	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
957		1416
958	=cut	1417	=cut
959		1418
960	sub playerdir($) {	1419	sub playerdir($) {
961	cf::localdir	1420	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1422	}
967		1423
968	sub path($) {	1424	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1426
971	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
972	}	1428	}
973		1429
974	sub find_active($) {	1430	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1445	my $login = $_[0];
990		1446
991	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
992		1448
993	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
995	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
997	}	1466	}
998	}	1467	}
999	}	1468	}
1000		1469
…		…
1009	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1010		1479
1011	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1013		1482
		1483	cf::get_slot 0.01;
		1484
1014	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1015	Coro::cede;	1486	cf::cede_to_tick;
1016	}	1487	}
1017		1488
1018	sub new($) {	1489	sub new($) {
1019	my ($login) = @_;	1490	my ($login) = @_;
1020		1491
…		…
1026	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1027		1498
1028	$self	1499	$self
1029	}	1500	}
1030		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1031	=item $pl->quit_character	1512	=item $pl->quit_character
1032		1513
1033	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1035		1516
1036	=cut	1517	=cut
1037		1518
1038	sub quit_character {	1519	sub quit_character {
1039	my ($pl) = @_;	1520	my ($pl) = @_;
1040		1521
		1522	my $name = $pl->ob->name;
		1523
1041	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1526
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1048		1533
1049	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1054	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1055	}	1560	}
1056		1561
1057	=item cf::player::list_logins	1562	=item cf::player::list_logins
1058		1563
1059	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1061		1566
1062	=cut	1567	=cut
1063		1568
1064	sub list_logins {	1569	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1571	or return [];
1067		1572
1068	my @logins;	1573	my @logins;
1069		1574
1070	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1074		1585
1075	utf8::decode $login;	1586	utf8::decode $login;
1076	push @logins, $login;	1587	push @logins, $login;
1077	}	1588	}
1078		1589
…		…
1105	}	1616	}
1106		1617
1107	\@paths	1618	\@paths
1108	}	1619	}
1109		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1111		1715
1112	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1113		1717
1114	=cut	1718	=cut
1115		1719
1116	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1118		1722
1119	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1724	}
1123		1725
1124	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1125		1766
1126	=back	1767	=back
1127
1128		1768
1129	=head3 cf::map	1769	=head3 cf::map
1130		1770
1131	=over 4	1771	=over 4
1132		1772
…		…
1144	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1146		1786
1147	sub generate_random_map {	1787	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1149	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1793	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1188		1831
1189	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1190	local $self->{path};	1833	local $self->{path};
1191	local $self->{load_path};	1834	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1835
1195	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1196	}	1837	}
1197		1838
1198	sub normalise {	1839	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1246	return $self;	1887	return $self;
1247	}	1888	}
1248	}	1889	}
1249		1890
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1892	()
1252	}	1893	}
1253		1894
1254	sub init {	1895	sub init {
1255	my ($self) = @_;	1896	my ($self) = @_;
…		…
1270		1911
1271	# the original (read-only) location	1912	# the original (read-only) location
1272	sub load_path {	1913	sub load_path {
1273	my ($self) = @_;	1914	my ($self) = @_;
1274		1915
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1276	}	1917	}
1277		1918
1278	# the temporary/swap location	1919	# the temporary/swap location
1279	sub save_path {	1920	sub save_path {
1280	my ($self) = @_;	1921	my ($self) = @_;
1281		1922
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1284	}	1925	}
1285		1926
1286	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1287	sub uniq_path {	1928	sub uniq_path {
1288	my ($self) = @_;	1929	my ($self) = @_;
1289		1930
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1292	}	1933	}
1293		1934
1294	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1295	# all maps in C++...	1936	# all maps in C++...
1296	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1298		1939
1299	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1301	}	1942	}
1302		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1303	sub unlink_save {	1952	sub unlink_save {
1304	my ($self) = @_;	1953	my ($self) = @_;
1305		1954
1306	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1958	}
1315		1959
1316	sub load_header_from($) {	1960	sub load_header_from($) {
1317	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1318		1962
1319	utf8::encode $path;	1963	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1325		1972
1326	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1327		1974
1328	1	1975	1
1329	}	1976	}
…		…
1368	$self->load_header_orig	2015	$self->load_header_orig
1369	or return;	2016	or return;
1370	$self->prepare_orig;	2017	$self->prepare_orig;
1371	}	2018	}
1372		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
1373	1	2026	1
1374	}	2027	}
1375		2028
1376	sub find;	2029	sub find;
1377	sub find {	2030	sub find {
1378	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1379		2032
1380	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1381		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1383		2037
1384	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1386	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1387	or return;	2043	or return;
1388		2044
1389	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1390		2046
1391	$map->load_header	2047	$map->load_header
1392	or return;	2048	or return;
1393		2049
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1397	$map->reset;	2055	$map->reset;
1398	undef $guard;
1399	return find $path;	2056	return find $path;
1400	}	2057	}
1401		2058
1402	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1403	}	2060	}
…		…
1410	my ($self) = @_;	2067	my ($self) = @_;
1411		2068
1412	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1413		2070
1414	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1416		2075
		2076	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2078
1419	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1420		2080
1421	$self->alloc;	2081	$self->alloc;
1422		2082
1423	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1424		2085
1425	$self->_load_objects ($self->{load_path}, 1)	2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1426	or return;	2089	or return;
1427		2090
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1429	if delete $self->{load_original};	2092	if delete $self->{load_original};
1430		2093
1431	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2095	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2098	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1436	}	2102	}
1437	}	2103	}
1438		2104
1439	Coro::cede;	2105	$f->resolve_delayed_derefs;
1440		2106
		2107	cf::cede_to_tick;
1441	# now do the right thing for maps	2108	# now do the right thing for maps
1442	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2111	unless $self->difficulty;
1452	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1453	$self->activate;	2121	$self->activate;
		2122	}
		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
		2127	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2128	}
1455		2129
1456	$self->post_load;	2130	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2131	}
1460		2132
1461	sub customise_for {	2133	sub customise_for {
1462	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1463		2135
1464	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2137	if $self->per_player;
1466		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1467	$self	2142	$self
1468	}	2143	}
1469		2144
1470	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2146	sub load_neighbours {
1472	my ($map) = @_;	2147	my ($map) = @_;
1473		2148
1474	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1475		2150
1476	for (0 .. 3) {	2151	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1478	or next;	2153	or next;
1479	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1480	or next;	2155	or next;
1481	$neigh->load;	2156	$neigh->load;
1482		2157
		2158	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2161	}
1486		2162
1487	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1489	or next;	2166	or next;
1490	$neigh->load;	2167	$neigh->load;
1491	}	2168	}
1492	}	2169	}
1493		2170
…		…
1498	}	2175	}
1499		2176
1500	sub do_load_sync {	2177	sub do_load_sync {
1501	my ($map) = @_;	2178	my ($map) = @_;
1502		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1503	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1504	}	2184	}
1505		2185
1506	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1508		2188
1509	sub find_async {	2189	sub find_async {
1510	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1511		2191
1512	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1513		2193
1514	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2196	}
1517		2197
1518	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1519	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1520	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2205	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2206	$map->load if $v;
		2207	}
1525		2208
1526	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1527	}	2210	}
1528	}	2211	}
1529	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1530	};	2213	};
1531	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2217	}
1535		2218
1536	sub save {	2219	sub save {
1537	my ($self) = @_;	2220	my ($self) = @_;
1538		2221
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2223
1541	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1542		2225
1543	return unless $self->dirty;	2226	return unless $self->dirty;
1544		2227
…		…
1550	return if $self->{deny_save};	2233	return if $self->{deny_save};
1551		2234
1552	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1553		2236
1554	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1556	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1557		2243
1558	if ($uniq) {	2244	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2247	} else {
…		…
1567	my ($self) = @_;	2253	my ($self) = @_;
1568		2254
1569	# save first because save cedes	2255	# save first because save cedes
1570	$self->save;	2256	$self->save;
1571		2257
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2259
1574	return if $self->players;	2260	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2262	return if $self->{deny_save};
1577		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2268	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2269	}
1581		2270
1582	sub reset_at {	2271	sub reset_at {
1583	my ($self) = @_;	2272	my ($self) = @_;
1584		2273
1585	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1588		2276
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2279
…		…
1602	my ($self) = @_;	2290	my ($self) = @_;
1603		2291
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2293
1606	return if $self->players;	2294	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2295
1609	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1610		2307
1611	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1612		2309
1613	$self->in_memory (cf::MAP_SWAPPED);	2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2312	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2313
1618	$self->unlink_save;	2314	$self->unlink_save;
1619	$self->destroy;	2315	$self->destroy;
1620	}	2316	}
1621		2317
1622	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1623		2319
1624	sub nuke {	2320	sub nuke {
1625	my ($self) = @_;	2321	my ($self) = @_;
1626		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1627	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1628		2327
1629	$self->unlink_save;	2328	$self->unlink_save;
1630		2329
1631	bless $self, "cf::map";	2330	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2335
1637	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1638		2338
1639	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1640	}	2376	}
1641		2377
1642	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1643		2379
1644	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2381	instantiated unique items. May block.
1646		2382
1647	=cut	2383	=cut
1648		2384
1649	sub unique_maps() {	2385	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1651	or return;	2387	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2388	utf8::decode $_;
1657	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2391	? ()
1660	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2394	]
1662
1663	\@paths
1664	}	2395	}
1665
1666	package cf;
1667		2396
1668	=back	2397	=back
1669		2398
1670	=head3 cf::object	2399	=head3 cf::object
1671		2400
…		…
1675		2404
1676	=over 4	2405	=over 4
1677		2406
1678	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1679		2408
1680	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1681		2411
1682	=cut	2412	=cut
1683		2413
1684	sub inv_recursive_;	2414	sub inv_recursive_;
1685	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1688		2418
1689	sub inv_recursive {	2419	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1691	}	2421	}
1692		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1693	package cf;	2451	package cf;
1694		2452
1695	=back	2453	=back
1696		2454
1697	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1706		2464
1707	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1708		2480
1709	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2482	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1714		2486
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2488
1717	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1719	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1722	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1723	}	2514	}
1724		2515
1725	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1726		2517
1727	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1775		2566
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2568
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1780		2571
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2573	}
1783		2574
1784	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1786		2579
1787	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1788		2581
1789	unless ($map) {	2582	unless ($map) {
1790	# restore original map position	2583	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1807		2600
1808	$map->load;	2601	$map->load;
1809	$map->load_diag;	2602	$map->load_neighbours;
1810		2603
1811	return unless $self->contr->active;	2604	return unless $self->contr->active;
1812	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1814	}	2609	}
1815		2610
1816	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2612
1820	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1824	};	2617	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2618
1830	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2621
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1851		2625
1852	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
		2628
		2629	# do generation counting so two concurrent goto's will be executed in-order
		2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2631
1855	$self->enter_link;	2632	$self->enter_link;
1856		2633
1857	(async {	2634	(async {
		2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
1858	my $map = eval {	2656	my $map = eval {
1859	my $map = cf::map::find $path;	2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
		2661	$map = $check->($map) if $check && $map;
		2662	} else {
		2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
		2665
1861	$map	2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2672	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1866	})->prio (1);	2680	})->prio (1);
1867	}	2681	}
1868		2682
1869	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1870		2684
…		…
1890	}	2704	}
1891		2705
1892	sub prepare_random_map {	2706	sub prepare_random_map {
1893	my ($exit) = @_;	2707	my ($exit) = @_;
1894		2708
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2709	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2710	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2711	# that depends on the exit object
1900		2712
1901	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2715	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2716	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1908	}	2722	}
1909		2723
1910	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1911		2725
1912	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2728	my $meta = "$RANDOMDIR/$md5.meta";
1915		2729
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2732	undef $fh;
1919	aio_rename "$meta~", $meta;	2733	aio_rename "$meta~", $meta;
1920		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1923	}	2741	}
1924	}	2742	}
1925		2743
1926	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
1928		2746
1929	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1930		2748
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2749	$self->enter_link;
1941		2750
1942	(async {	2751	(async {
1943	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1944	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
		2761	prepare_random_map $exit
		2762	if $exit->slaying eq "/!";
		2763	}
		2764
		2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
		2768
1945	$self->goto ($slaying, $hp, $sp);	2769	$self->goto ($map, $x, $y);
1946		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1947	1;	2775	1
1948	}) {	2776	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2781
1954	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2783	$self->leave_link;
1956	}	2784	}
1957	})->prio (1);	2785	})->prio (1);
…		…
1970		2798
1971	sub cf::client::send_drawinfo {	2799	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2800	my ($self, $text, $flags) = @_;
1973		2801
1974	utf8::encode $text;	2802	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2804	}
1977		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
1978		2970
1979	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
1980		2972
1981	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2976
1985	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2978	become reliable at some point in the future.
1987		2979
1988	=cut	2980	=cut
1989		2981
1990	sub cf::client::query {	2982	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2991	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2993
2002	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
2004	}	2998	}
2005		2999
2006	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
2007	on_reply => sub {	3006	on_reply => sub {
2008	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
2009		3008
2010	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
2011	# get handled first	3010	# get handled first
…		…
2023	} else {	3022	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3024	}
2026	}	3025	}
2027	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
2028	);	3053	);
2029		3054
2030	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
2031		3056
2032	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
2075		3100
2076	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
2077		3102
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
2079		3108
2080	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
2081		3110
2082	=pod	3111	=pod
2083		3112
2084	The following fucntions and emthods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2085		3114
2086	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2087	cf::object::player player	3119	cf::object::player
2088	cf::player peaceful	3120	player
2089	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2090		3127
2091	=cut	3128	=cut
2092		3129
2093	for (	3130	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2098	) {	3137	) {
2099	no strict 'refs';	3138	no strict 'refs';
…		…
2170	=back	3209	=back
2171		3210
2172	=cut	3211	=cut
2173		3212
2174	#############################################################################	3213	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3214	# the server's init and main functions
2284		3215
		3216	sub load_facedata($) {
		3217	my ($path) = @_;
		3218
		3219	# HACK to clear player env face cache, we need some signal framework
		3220	# for this (global event?)
		3221	%ext::player_env::MUSIC_FACE_CACHE = ();
		3222
		3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3224
		3225	warn "loading facedata from $path\n";
		3226
		3227	my $facedata;
		3228	0 < aio_load $path, $facedata
		3229	or die "$path: $!";
		3230
		3231	$facedata = Coro::Storable::thaw $facedata;
		3232
		3233	$facedata->{version} == 2
		3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3235
		3236	# patch in the exptable
		3237	$facedata->{resource}{"res/exp_table"} = {
		3238	type => FT_RSRC,
		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3240	};
		3241	cf::cede_to_tick;
		3242
		3243	{
		3244	my $faces = $facedata->{faceinfo};
		3245
		3246	while (my ($face, $info) = each %$faces) {
		3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3248
		3249	cf::face::set_visibility $idx, $info->{visibility};
		3250	cf::face::set_magicmap $idx, $info->{magicmap};
		3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3253
		3254	cf::cede_to_tick;
		3255	}
		3256
		3257	while (my ($face, $info) = each %$faces) {
		3258	next unless $info->{smooth};
		3259
		3260	my $idx = cf::face::find $face
		3261	or next;
		3262
		3263	if (my $smooth = cf::face::find $info->{smooth}) {
		3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3266	} else {
		3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3268	}
		3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
		3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3319
		3320	1
		3321	}
		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
2285	sub load_resources {	3351	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3367	or die "unable to load regions file\n";
2288	}
2289		3368
2290	sub cfg_load {	3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
		3390	sub reload_resources {
		3391	warn "reloading resource files...\n";
		3392
		3393	reload_facedata;
		3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
		3399	}
		3400
		3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	reload_resources;
		3407	}
		3408
		3409	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3411	or return;
2293		3412
2294	local $/;	3413	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2296		3415
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3417
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3425	};
2307	warn $@ if $@;	3426	warn $@ if $@;
2308	}	3427	}
2309	}	3428	}
2310		3429
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3430	sub main {
2316	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3434	(async {
2320	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2322	};	3438	};
2323		3439
2324	cfg_load;	3440	{
2325	db_load;	3441	my $guard = freeze_mainloop;
		3442	reload_config;
		3443	db_init;
2326	load_extensions;	3444	load_extensions;
2327		3445
2328	$TICK_WATCHER->start;	3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2329	Event::loop;	3449	EV::loop;
2330	}	3450	}
2331		3451
2332	#############################################################################	3452	#############################################################################
2333	# initialisation and cleanup	3453	# initialisation and cleanup
2334		3454
2335	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2336	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2345	},
2346	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2347	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2348	}	3544	}
2349		3545
2350	sub emergency_save() {	3546	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2352		3548
…		…
2358	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3560	$pl->save;
2364	}	3561	}
2365	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2366		3563
2367	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3567	$map->valid or next;
2371	$map->save;	3568	$map->save;
2372	}	3569	}
2373	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
		3571
		3572	warn "begin emergency database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2374	};	3579	};
2375		3580
2376	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2377	}	3582	}
2378		3583
		3584	sub post_cleanup {
		3585	my ($make_core) = @_;
		3586
		3587	warn Carp::longmess "post_cleanup backtrace"
		3588	if $make_core;
		3589	}
		3590
2379	sub reload() {	3591	sub do_reload_perl() {
2380	# can/must only be called in main	3592	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3594	warn "can only reload from main coroutine";
2383	return;	3595	return;
2384	}	3596	}
2385		3597
2386	warn "reloading...";	3598	warn "reloading...";
2387		3599
2388	warn "cancelling server ticker";	3600	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3601
		3602	cf::sync_job {
		3603	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3604	cf::emergency_save;
		3605	cf::write_runtime_sync; # external watchdog should not bark
2392		3606
2393	eval {	3607	warn "syncing database to disk";
		3608	BDB::db_env_txn_checkpoint $DB_ENV;
		3609
2394	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403		3611
2404	warn "flushing outstanding aio requests";	3612	warn "flushing outstanding aio requests";
2405	for (;;) {	3613	for (;;) {
		3614	BDB::flush;
2406	IO::AIO::flush;	3615	IO::AIO::flush;
2407	Coro::cede;	3616	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3617	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3618	warn "iterate...";
2410	}	3619	}
		3620
		3621	++$RELOAD;
2411		3622
2412	warn "cancelling all extension coros";	3623	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3624	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3625	%EXT_CORO = ();
2415		3626
2416	warn "removing commands";	3627	warn "removing commands";
2417	%COMMAND = ();	3628	%COMMAND = ();
2418		3629
2419	warn "removing ext commands";	3630	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2421		3633
2422	warn "unloading/nuking all extensions";	3634	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2425		3637
…		…
2455	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3669
2458	warn "unloading cf.pm \"a bit\"";	3670	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2460		3673
2461	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3675	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2464		3677
…		…
2467	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2468	require cf;	3681	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3683
2471	warn "loading config and database again";	3684	warn "loading config and database again";
2472	cf::cfg_load;	3685	cf::reload_config;
2473	cf::db_load;
2474		3686
2475	warn "loading extensions";	3687	warn "loading extensions";
2476	cf::load_extensions;	3688	cf::load_extensions;
2477		3689
2478	warn "reattaching attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3691	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3692	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
		3694	warn "reattaching attachments to players";
		3695	reattach $_ for values %PLAYER;
2482		3696
2483	warn "loading reloadable resources";	3697	warn "leaving sync_job";
2484	load_resources;
2485		3698
2486	warn "restarting server ticker";	3699	1
2487		3700	} or do {
2488	$TICK_WATCHER->start;	3701	warn $@;
		3702	cf::cleanup "error while reloading, exiting.";
2489	};	3703	};
2490
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496		3704
2497	warn "reloaded";	3705	warn "reloaded";
2498	};	3706	};
2499		3707
2500	our $RELOAD_WATCHER; # used only during reload	3708	our $RELOAD_WATCHER; # used only during reload
2501		3709
		3710	sub reload_perl() {
		3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
		3713
		3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3715	do_reload_perl;
		3716	undef $RELOAD_WATCHER;
		3717	};
		3718	}
		3719
2502	register_command "reload" => sub {	3720	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2504		3722
2505	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3724	$who->message ("reloading server.");
2507		3725	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3726	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3727	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3728	};
2520	}	3729	}
2521	};	3730	};
2522		3731
2523	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2524		3733
2525	my $bug_warning = 0;	3734	my $bug_warning = 0;
2526		3735
2527	$TICK_WATCHER = Event->timer (	3736	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3737	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3738
2530	prio => 0,	3739	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3741
2533	cb => sub {	3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
2534	if ($Coro::current != $Coro::main) {	3756	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3758	unless ++$bug_warning > 10;
2537	return;	3759	return;
2538	}	3760	}
2539		3761
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3763
2546	$WAIT_FOR_TICK->broadcast;	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3766	Coro::async_pool {
		3767	$Coro::current->{desc} = "runtime saver";
		3768	write_runtime_sync
		3769	or warn "ERROR: unable to write runtime file: $!";
		3770	};
		3771	}
2548		3772
2549	Event::sweep;	3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
2551		3788	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3789	}
2561	);	3790	}
2562		3791
2563	{	3792	{
2564	BDB::max_poll_time $TICK * 0.1;	3793	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3794
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3795	BDB::min_parallel 8;
2574		3796	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3797	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3798
2590	unless ($DB_ENV) {	3799	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3803	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3804	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3805	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3806
2593	cf::sync_job {	3807	cf::sync_job {
		3808	eval {
2594	BDB::db_env_open	3809	BDB::db_env_open
2595	$DB_ENV,	3810	$DB_ENV,
2596	$BDB_ENV_DIR,	3811	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3812	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3813	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3814	0666;
2600		3815
2601	cf::cleanup "$!" if $!;	3816	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3817	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3818
		3819	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3820	};
2605	}	3821	}
		3822
		3823	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3824	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3825	};
		3826	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3828	};
		3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3831	};
2606	}	3832	}
2607		3833
2608	{	3834	{
		3835	# configure IO::AIO
		3836
2609	IO::AIO::min_parallel 8;	3837	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3838	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3839	undef $AnyEvent::AIO::WATCHER;
2614	reentrant => 0,
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}	3840	}
2622		3841
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3842	my $_log_backtrace;
2624	reentrant => 0,	3843
2625	data => WF_AUTOCANCEL,	3844	sub _log_backtrace {
2626	after => 1,	3845	my ($msg, @addr) = @_;
2627	interval => 10,	3846
2628	prio => 6, # keep it lowest so it acts like a watchdog	3847	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3848
2630	write_runtime	3849	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3850	if ($_log_backtrace < 2) {
		3851	++$_log_backtrace;
		3852	async {
		3853	$Coro::current->{desc} = "abt $msg";
		3854
		3855	my @bt = fork_call {
		3856	@addr = map { sprintf "%x", $_ } @addr;
		3857	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3858	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3859	or die "addr2line: $!";
		3860
		3861	my @funcs;
		3862	my @res = <$fh>;
		3863	chomp for @res;
		3864	while (@res) {
		3865	my ($func, $line) = splice @res, 0, 2, ();
		3866	push @funcs, "[$func] $line";
		3867	}
		3868
		3869	@funcs
		3870	};
		3871
		3872	LOG llevInfo, "[ABT] $msg\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3879	}
2633	);	3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2634		3884
2635	END { cf::emergency_save }	3885	END { cf::emergency_save }
2636		3886
2637	1	3887	1
2638		3888

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