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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 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 $pkg (qw(
163	cf::global cf::attachable	244	cf::global cf::attachable
164	cf::object cf::object::player	245	cf::object cf::object::player
165	cf::client cf::player	246	cf::client cf::player
166	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
167	cf::map cf::party cf::region	249	cf::party cf::region
168	)) {	250	)) {
169	no strict 'refs';	251	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	253	}
172		254
173	$Event::DIED = sub {	255	$EV::DIED = sub {
174	warn "error in event callback: @_";	256	warn "error in event callback: @_";
175	};	257	};
		258
		259	#############################################################################
176		260
177	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
178		262
179	=over 4	263	=over 4
180		264
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	284	$d
201	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
202	}	286	}
203		287
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
207		289
208	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
209		291
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
218		293
219	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
220		295
221	=cut	296	=cut
222		297
223	sub to_json($) {	298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	299
225	JSON::Syck::Dump $_[0]	300	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	301	sub decode_json($) { $json_coder->decode ($_[0]) }
227		302
228	=item cf::lock_wait $string	303	=item cf::lock_wait $string
229		304
230	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
231		306
…		…
234	Wait until the given lock is available and then acquires it and returns	309	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,	310	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	311	for example when the coroutine gets canceled), the lock is automatically
237	returned.	312	returned.
238		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
239	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
241		319
		320	=item $locked = cf::lock_active $string
		321
		322	Return true if the lock is currently active, i.e. somebody has locked it.
		323
242	=cut	324	=cut
243		325
244	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
245		328
246	sub lock_wait($) {	329	sub lock_wait($) {
247	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
248		336
249	# wait for lock, if any	337	# wait for lock, if any
250	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	340	Coro::schedule;
…		…
258		346
259	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
260	lock_wait $key;	348	lock_wait $key;
261		349
262	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
263		352
264	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
267	}	357	}
268	}	358	}
269		359
		360	sub lock_active($) {
		361	my ($key) = @_;
		362
		363	! ! $LOCK{$key}
		364	}
		365
270	sub freeze_mainloop {	366	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
272		368
273	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	370	}
275	$WRITE_RUNTIME_WATCHER->start;	371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
276	};	430	}
277	$WRITE_RUNTIME_WATCHER->stop;	431	};
278	$TICK_WATCHER->stop;	432
279	$guard	433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
280	}	445	}
281		446
282	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
283		448
284	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		454
290	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
291		456
292	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
293		458
294	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
297		463
298	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
301	fast or be very important.	467	fast or be very important.
…		…
304		470
305	sub sync_job(&) {	471	sub sync_job(&) {
306	my ($job) = @_;	472	my ($job) = @_;
307		473
308	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
309	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
311		479
312	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	481
314	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
315		483
316	my $busy = 1;	484	my $busy = 1;
317	my @res;	485	my @res;
318		486
319	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	489	@res = eval { $job->() };
321	warn $@ if $@;	490	warn $@ if $@;
322	undef $busy;	491	undef $busy;
323	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
324		493
325	while ($busy) {	494	while ($busy) {
326	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
327	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
328		505
329	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
330	} else {	507	} else {
331	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
332		509
…		…
352	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
353		530
354	$coro	531	$coro
355	}	532	}
356		533
357	sub write_runtime {	534	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		535
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	536	Executes the given code block with the given arguments in a seperate
361	or return;	537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
362		540
363	my $value = $cf::RUNTIME + 90 + 10;	541	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		542
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	543	sub fork_call(&@) {
368	and return;	544	my ($cb, @args) = @_;
369		545
370	# always fsync - this file is important	546	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	547	# otherwise perl prematurely frees the stuff :/
372	and return;	548	# TODO: investigate and fix (likely this will be rather laborious)
373		549
374	close $fh	550	my @res = Coro::Util::fork_eval {
375	or return;	551	reset_signals;
		552	&$cb
		553	}, @args;
376		554
377	aio_rename "$runtime~", $runtime	555	wantarray ? @res : $res[-1]
378	and return;	556	}
379		557
		558	=item $coin = coin_from_name $name
		559
		560	=cut
		561
		562	our %coin_alias = (
		563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
		584
		585	=item $value = cf::db_get $family => $key
		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
		617
		618	our $DB;
		619
		620	sub db_init {
		621	cf::sync_job {
		622	$DB ||= db_table "db";
		623	};
		624	}
		625
		626	sub db_get($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
380	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
		710	}
		711
		712	=item cf::datalog type => key => value, ...
		713
		714	Log a datalog packet of the given type with the given key-value pairs.
		715
		716	=cut
		717
		718	sub datalog($@) {
		719	my ($type, %kv) = @_;
		720	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	721	}
382		722
383	=back	723	=back
384		724
385	=cut	725	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
394		734
395	In the following description, CLASS can be any of C<global>, C<object>	735	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	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	737	Deliantra).
398		738
399	=over 4	739	=over 4
400		740
401	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
402		742
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
566		906
567	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		911
572	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	913	my $pkg = shift @arg;
574		914
575	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
605	}	945	}
606		946
607	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
608	} else {	948	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	950	}
611		951
612	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
613	}	953	}
614		954
…		…
616	if (ref $_[0]) {	956	if (ref $_[0]) {
617	_object_attach @_;	957	_object_attach @_;
618	} else {	958	} else {
619	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
620	}	960	}
		961	_recalc_want;
621	};	962	};
622		963
623	# all those should be optimised	964	# all those should be optimised
624	sub cf::attachable::detach {	965	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
629	reattach ($obj);	970	reattach ($obj);
630	} else {	971	} else {
631	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
632	}	973	}
		974	_recalc_want;
633	};	975	};
634		976
635	sub cf::attachable::attached {	977	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
637		979
…		…
652	";	994	";
653	die if $@;	995	die if $@;
654	}	996	}
655		997
656	our $override;	998	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1000
659	sub override {	1001	sub override {
660	$override = 1;	1002	$override = 1;
661	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
662	}	1004	}
663		1005
664	sub do_invoke {	1006	sub do_invoke {
665	my $event = shift;	1007	my $event = shift;
666	my $callbacks = shift;	1008	my $callbacks = shift;
667		1009
668	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
669		1011
670	local $override;	1012	local $override;
671		1013
672	for (@$callbacks) {	1014	for (@$callbacks) {
673	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
682	}	1024	}
683		1025
684	0	1026	0
685	}	1027	}
686		1028
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1030
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1032
691	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
692		1034
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	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	1036	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1038
697	=back	1039	=back
698		1040
699	=cut	1041	=cut
700		1042
701	#############################################################################	1043	#############################################################################
702	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
703		1087
704	sub reattach {	1088	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1090	my ($obj) = @_;
707		1091
…		…
728	cf::attachable->attach (	1112	cf::attachable->attach (
729	prio => -1000000,	1113	prio => -1000000,
730	on_instantiate => sub {	1114	on_instantiate => sub {
731	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
732		1116
733	$data = from_json $data;	1117	$data = decode_json $data;
734		1118
735	for (@$data) {	1119	for (@$data) {
736	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
737		1121
738	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1138	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
756		1140
757	sync_job {	1141	sync_job {
758	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
761		1146
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1150	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1151	aio_close $fh;
767		1152
768	if (@$objs) {	1153	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1159	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
776	}	1161	}
777	} else {	1162	} else {
778	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
779	}	1164	}
…		…
784	}	1169	}
785	} else {	1170	} else {
786	aio_unlink $filename;	1171	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
788	}	1173	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1174	};
796	}	1175	}
797		1176
798	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
800		1179
…		…
805		1184
806	sub object_thawer_load {	1185	sub object_thawer_load {
807	my ($filename) = @_;	1186	my ($filename) = @_;
808		1187
809	my ($data, $av);	1188	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1189
814	(aio_load $filename, $data) >= 0	1190	(aio_load $filename, $data) >= 0
815	or return;	1191	or return;
816		1192
817	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
819	or return;	1195	or return;
		1196
820	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
821	}	1199	}
822		1200
		1201	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
825	return ($data, $av);	1205	($data, $av)
826	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
827		1213
828	#############################################################################	1214	#############################################################################
829	# command handling &c	1215	# command handling &c
830		1216
831	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1231	}
846		1232
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1234
849	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
850		1240
851	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
852	called.	1242	called.
853		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
854	=cut	1255	=cut
855		1256
856	sub register_extcmd {	1257	sub register_extcmd {
857	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
858		1259
859	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
860	}	1267	}
861		1268
862	cf::player->attach (	1269	cf::player->attach (
863	on_command => sub {	1270	on_command => sub {
864	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1280	cf::override;
874	},	1281	},
875	on_extcmd => sub {	1282	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
877		1284
878	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1286
880	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
886	} else {	1302	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1304	}
889		1305
890	cf::override;	1306	cf::override;
891	},	1307	},
892	);	1308	);
893		1309
894	sub load_extension {
895	my ($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 {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
929	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1315	next unless -r $path;
931	eval {	1316
932	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
933	1	1373	}
934	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
935	}	1379	};
936	}	1380	}
937		1381
938	#############################################################################	1382	#############################################################################
939		1383
		1384	=back
		1385
940	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
941		1387
942	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
943		1389
944	=cut	1390	=cut
…		…
949		1395
950	=head3 cf::player	1396	=head3 cf::player
951		1397
952	=over 4	1398	=over 4
953		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
		1413
954	=item cf::player::find $login	1414	=item cf::player::find $login
955		1415
956	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
957		1417
958	=cut	1418	=cut
959		1419
960	sub playerdir($) {	1420	sub playerdir($) {
961	cf::localdir	1421	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1422	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1423	}
967		1424
968	sub path($) {	1425	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1426	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1427
971	(playerdir $login) . "/$login.pl"	1428	(playerdir $login) . "/playerdata"
972	}	1429	}
973		1430
974	sub find_active($) {	1431	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1432	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1433	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1446	my $login = $_[0];
990		1447
991	my $guard = cf::lock_acquire "user_find:$login";	1448	my $guard = cf::lock_acquire "user_find:$login";
992		1449
993	$cf::PLAYER{$_[0]} || do {	1450	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1451	# rename old playerfiles to new ones
		1452	#TODO: remove when no longer required
		1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1456	aio_unlink +(playerdir $login) . "/$login.pl";
		1457
		1458	my $f = new_from_file cf::object::thawer path $login
995	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
997	}	1467	}
998	}	1468	}
999	}	1469	}
1000		1470
…		…
1009	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1010		1480
1011	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1013		1483
		1484	cf::get_slot 0.01;
		1485
1014	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1015	Coro::cede;	1487	cf::cede_to_tick;
1016	}	1488	}
1017		1489
1018	sub new($) {	1490	sub new($) {
1019	my ($login) = @_;	1491	my ($login) = @_;
1020		1492
…		…
1026	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1027		1499
1028	$self	1500	$self
1029	}	1501	}
1030		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1031	=item $pl->quit_character	1513	=item $pl->quit_character
1032		1514
1033	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1035		1517
1036	=cut	1518	=cut
1037		1519
1038	sub quit_character {	1520	sub quit_character {
1039	my ($pl) = @_;	1521	my ($pl) = @_;
1040		1522
		1523	my $name = $pl->ob->name;
		1524
1041	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1527
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1048		1534
1049	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1537	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1538	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1539	$pl->destroy;
		1540
		1541	my $prefix = qr<^~\Q$name\E/>;
		1542
		1543	# nuke player maps
		1544	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1545
1054	IO::AIO::aio_rmtree $temp;	1546	IO::AIO::aio_rmtree $temp;
		1547	}
		1548
		1549	=item $pl->kick
		1550
		1551	Kicks a player out of the game. This destroys the connection.
		1552
		1553	=cut
		1554
		1555	sub kick {
		1556	my ($pl, $kicker) = @_;
		1557
		1558	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1559	$pl->killer ("kicked");
		1560	$pl->ns->destroy;
1055	}	1561	}
1056		1562
1057	=item cf::player::list_logins	1563	=item cf::player::list_logins
1058		1564
1059	Returns am arrayref of all valid playernames in the system, can take a	1565	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1566	while and may block, so not sync_job-capable, ever.
1061		1567
1062	=cut	1568	=cut
1063		1569
1064	sub list_logins {	1570	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1571	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1572	or return [];
1067		1573
1068	my @logins;	1574	my @logins;
1069		1575
1070	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1074		1586
1075	utf8::decode $login;	1587	utf8::decode $login;
1076	push @logins, $login;	1588	push @logins, $login;
1077	}	1589	}
1078		1590
…		…
1105	}	1617	}
1106		1618
1107	\@paths	1619	\@paths
1108	}	1620	}
1109		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1111		1716
1112	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1113		1718
1114	=cut	1719	=cut
1115		1720
1116	sub ext_reply($$$%) {	1721	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1118		1723
1119	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1725	}
1123		1726
1124	package cf;	1727	=item $player->ext_msg ($type, @msg)
		1728
		1729	Sends an ext event to the client.
		1730
		1731	=cut
		1732
		1733	sub ext_msg($$@) {
		1734	my ($self, $type, @msg) = @_;
		1735
		1736	$self->ns->ext_msg ($type, @msg);
		1737	}
		1738
		1739	=head3 cf::region
		1740
		1741	=over 4
		1742
		1743	=cut
		1744
		1745	package cf::region;
		1746
		1747	=item cf::region::find_by_path $path
		1748
		1749	Tries to decuce the likely region for a map knowing only its path.
		1750
		1751	=cut
		1752
		1753	sub find_by_path($) {
		1754	my ($path) = @_;
		1755
		1756	my ($match, $specificity);
		1757
		1758	for my $region (list) {
		1759	if ($region->{match} && $path =~ $region->{match}) {
		1760	($match, $specificity) = ($region, $region->specificity)
		1761	if $region->specificity > $specificity;
		1762	}
		1763	}
		1764
		1765	$match
		1766	}
1125		1767
1126	=back	1768	=back
1127
1128		1769
1129	=head3 cf::map	1770	=head3 cf::map
1130		1771
1131	=over 4	1772	=over 4
1132		1773
…		…
1144	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1146		1787
1147	sub generate_random_map {	1788	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1149	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1794	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1188		1832
1189	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1190	local $self->{path};	1834	local $self->{path};
1191	local $self->{load_path};	1835	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1836
1195	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1196	}	1838	}
1197		1839
1198	sub normalise {	1840	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1246	return $self;	1888	return $self;
1247	}	1889	}
1248	}	1890	}
1249		1891
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1893	()
1252	}	1894	}
1253		1895
1254	sub init {	1896	sub init {
1255	my ($self) = @_;	1897	my ($self) = @_;
…		…
1270		1912
1271	# the original (read-only) location	1913	# the original (read-only) location
1272	sub load_path {	1914	sub load_path {
1273	my ($self) = @_;	1915	my ($self) = @_;
1274		1916
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1917	"$MAPDIR/$self->{path}.map"
1276	}	1918	}
1277		1919
1278	# the temporary/swap location	1920	# the temporary/swap location
1279	sub save_path {	1921	sub save_path {
1280	my ($self) = @_;	1922	my ($self) = @_;
1281		1923
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1925	"$TMPDIR/$path.map"
1284	}	1926	}
1285		1927
1286	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1287	sub uniq_path {	1929	sub uniq_path {
1288	my ($self) = @_;	1930	my ($self) = @_;
1289		1931
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1933	"$UNIQUEDIR/$path"
1292	}	1934	}
1293		1935
1294	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1295	# all maps in C++...	1937	# all maps in C++...
1296	sub change_all_map_light {	1938	sub change_all_map_light {
…		…
1298		1940
1299	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1301	}	1943	}
1302		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1303	sub unlink_save {	1953	sub unlink_save {
1304	my ($self) = @_;	1954	my ($self) = @_;
1305		1955
1306	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1958	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	}	1959	}
1315		1960
1316	sub load_header_from($) {	1961	sub load_header_from($) {
1317	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1318		1963
1319	utf8::encode $path;	1964	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1966	or return;
		1967
		1968	$self->_load_header ($f)
		1969	or return;
		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
1325		1973
1326	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1327		1975
1328	1	1976	1
1329	}	1977	}
…		…
1368	$self->load_header_orig	2016	$self->load_header_orig
1369	or return;	2017	or return;
1370	$self->prepare_orig;	2018	$self->prepare_orig;
1371	}	2019	}
1372		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
		2024	$self->default_region (cf::region::find_by_path $self->{path})
		2025	unless $self->default_region;
		2026
1373	1	2027	1
1374	}	2028	}
1375		2029
1376	sub find;	2030	sub find;
1377	sub find {	2031	sub find {
1378	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1379		2033
1380	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1381		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1383		2038
1384	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1386	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1387	or return;	2044	or return;
1388		2045
1389	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1390		2047
1391	$map->load_header	2048	$map->load_header
1392	or return;	2049	or return;
1393		2050
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1397	$map->reset;	2056	$map->reset;
1398	undef $guard;
1399	return find $path;	2057	return find $path;
1400	}	2058	}
1401		2059
1402	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1403	}	2061	}
…		…
1410	my ($self) = @_;	2068	my ($self) = @_;
1411		2069
1412	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1413		2071
1414	my $path = $self->{path};	2072	my $path = $self->{path};
		2073
		2074	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1416		2076
		2077	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2079
1419	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1420		2081
1421	$self->alloc;	2082	$self->alloc;
1422		2083
1423	$self->pre_load;	2084	$self->pre_load;
		2085	cf::cede_to_tick;
1424		2086
1425	$self->_load_objects ($self->{load_path}, 1)	2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
		2089	$self->_load_objects ($f)
1426	or return;	2090	or return;
1427		2091
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1429	if delete $self->{load_original};	2093	if delete $self->{load_original};
1430		2094
1431	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2096	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2099	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1436	}	2103	}
1437	}	2104	}
1438		2105
1439	Coro::cede;	2106	$f->resolve_delayed_derefs;
1440		2107
		2108	cf::cede_to_tick;
1441	# now do the right thing for maps	2109	# now do the right thing for maps
1442	$self->link_multipart_objects;	2110	$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)	2111	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2112	unless $self->difficulty;
1452	Coro::cede;	2113	cf::cede_to_tick;
		2114
		2115	unless ($self->{deny_activate}) {
		2116	$self->decay_objects;
		2117	$self->fix_auto_apply;
		2118	$self->update_buttons;
		2119	cf::cede_to_tick;
		2120	$self->set_darkness_map;
		2121	cf::cede_to_tick;
1453	$self->activate;	2122	$self->activate;
		2123	}
		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
		2128	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2129	}
1455		2130
1456	$self->post_load;	2131	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2132	}
1460		2133
1461	sub customise_for {	2134	sub customise_for {
1462	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1463		2136
1464	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2138	if $self->per_player;
1466		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1467	$self	2143	$self
1468	}	2144	}
1469		2145
1470	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2147	sub load_neighbours {
1472	my ($map) = @_;	2148	my ($map) = @_;
1473		2149
1474	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1475		2151
1476	for (0 .. 3) {	2152	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1478	or next;	2154	or next;
1479	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1480	or next;	2156	or next;
1481	$neigh->load;	2157	$neigh->load;
1482		2158
		2159	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2162	}
1486		2163
1487	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1489	or next;	2167	or next;
1490	$neigh->load;	2168	$neigh->load;
1491	}	2169	}
1492	}	2170	}
1493		2171
…		…
1498	}	2176	}
1499		2177
1500	sub do_load_sync {	2178	sub do_load_sync {
1501	my ($map) = @_;	2179	my ($map) = @_;
1502		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1503	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1504	}	2185	}
1505		2186
1506	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1508		2189
1509	sub find_async {	2190	sub find_async {
1510	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1511		2192
1512	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1513		2194
1514	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2197	}
1517		2198
1518	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1519	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1520	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2206	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2207	$map->load if $v;
		2208	}
1525		2209
1526	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1527	}	2211	}
1528	}	2212	}
1529	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1530	};	2214	};
1531	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2218	}
1535		2219
1536	sub save {	2220	sub save {
1537	my ($self) = @_;	2221	my ($self) = @_;
1538		2222
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2224
1541	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1542		2226
1543	return unless $self->dirty;	2227	return unless $self->dirty;
1544		2228
…		…
1550	return if $self->{deny_save};	2234	return if $self->{deny_save};
1551		2235
1552	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1553		2237
1554	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1556	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1557		2244
1558	if ($uniq) {	2245	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2248	} else {
…		…
1567	my ($self) = @_;	2254	my ($self) = @_;
1568		2255
1569	# save first because save cedes	2256	# save first because save cedes
1570	$self->save;	2257	$self->save;
1571		2258
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2260
1574	return if $self->players;	2261	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2263	return if $self->{deny_save};
1577		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2269	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2270	}
1581		2271
1582	sub reset_at {	2272	sub reset_at {
1583	my ($self) = @_;	2273	my ($self) = @_;
1584		2274
1585	# TODO: safety, remove and allow resettable per-player maps	2275	# 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};	2276	return 1e99 if $self->{deny_reset};
1588		2277
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2280
…		…
1602	my ($self) = @_;	2291	my ($self) = @_;
1603		2292
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2294
1606	return if $self->players;	2295	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2296
1609	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
		2298
		2299	$self->in_memory (cf::MAP_SWAPPED);
		2300
		2301	# need to save uniques path
		2302	unless ($self->{deny_save}) {
		2303	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2304
		2305	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2306	if $uniq;
		2307	}
1610		2308
1611	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1612		2310
1613	$self->in_memory (cf::MAP_SWAPPED);	2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2313	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2314
1618	$self->unlink_save;	2315	$self->unlink_save;
1619	$self->destroy;	2316	$self->destroy;
1620	}	2317	}
1621		2318
1622	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1623		2320
1624	sub nuke {	2321	sub nuke {
1625	my ($self) = @_;	2322	my ($self) = @_;
1626		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1627	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1628		2328
1629	$self->unlink_save;	2329	$self->unlink_save;
1630		2330
1631	bless $self, "cf::map";	2331	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2336
1637	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1638		2339
1639	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
		2341	}
		2342
		2343	=item $maps = cf::map::tmp_maps
		2344
		2345	Returns an arrayref with all map paths of currently instantiated and saved
		2346	maps. May block.
		2347
		2348	=cut
		2349
		2350	sub tmp_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	/\.map$/
		2355	? normalise $_
		2356	: ()
		2357	} @{ aio_readdir $TMPDIR or [] }
		2358	]
		2359	}
		2360
		2361	=item $maps = cf::map::random_maps
		2362
		2363	Returns an arrayref with all map paths of currently instantiated and saved
		2364	random maps. May block.
		2365
		2366	=cut
		2367
		2368	sub random_maps() {
		2369	[
		2370	map {
		2371	utf8::decode $_;
		2372	/\.map$/
		2373	? normalise "?random/$_"
		2374	: ()
		2375	} @{ aio_readdir $RANDOMDIR or [] }
		2376	]
1640	}	2377	}
1641		2378
1642	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1643		2380
1644	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2382	instantiated unique items. May block.
1646		2383
1647	=cut	2384	=cut
1648		2385
1649	sub unique_maps() {	2386	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2387	[
1651	or return;	2388	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2389	utf8::decode $_;
1657	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2392	? ()
1660	push @paths, cf::map::normalise $_;	2393	: normalise $_
		2394	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2395	]
1662
1663	\@paths
1664	}	2396	}
1665
1666	package cf;
1667		2397
1668	=back	2398	=back
1669		2399
1670	=head3 cf::object	2400	=head3 cf::object
1671		2401
…		…
1675		2405
1676	=over 4	2406	=over 4
1677		2407
1678	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1679		2409
1680	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
1681		2412
1682	=cut	2413	=cut
1683		2414
1684	sub inv_recursive_;	2415	sub inv_recursive_;
1685	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1688		2419
1689	sub inv_recursive {	2420	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1691	}	2422	}
1692		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
1693	package cf;	2452	package cf;
1694		2453
1695	=back	2454	=back
1696		2455
1697	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	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	2463	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1706		2465
1707	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
1708		2481
1709	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2483	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1714		2487
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2489
1717	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1719	} else {	2493	} else {
		2494	my $pl = $self->contr;
		2495
		2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2497	my $dialog = $pl->{npc_dialog};
		2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2499
		2500	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1722	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
1723	}	2515	}
1724		2516
1725	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1726		2518
1727	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1775		2567
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2569
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1780		2572
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2574	}
1783		2575
1784	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1786		2580
1787	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1788		2582
1789	unless ($map) {	2583	unless ($map) {
1790	# restore original map position	2584	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1807		2601
1808	$map->load;	2602	$map->load;
1809	$map->load_diag;	2603	$map->load_neighbours;
1810		2604
1811	return unless $self->contr->active;	2605	return unless $self->contr->active;
1812	$self->activate_recursive;	2606	$self->activate_recursive;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1814	}	2610	}
1815		2611
1816	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2613
1820	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1824	};	2618	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2619
1830	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1832	if ($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		2622
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1851		2626
1852	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2632
1855	$self->enter_link;	2633	$self->enter_link;
1856		2634
1857	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
1858	my $map = eval {	2657	my $map = eval {
1859	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
		2662	$map = $check->($map) if $check && $map;
		2663	} else {
		2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
		2666
1861	$map	2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2673	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1866	})->prio (1);	2681	})->prio (1);
1867	}	2682	}
1868		2683
1869	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1870		2685
…		…
1890	}	2705	}
1891		2706
1892	sub prepare_random_map {	2707	sub prepare_random_map {
1893	my ($exit) = @_;	2708	my ($exit) = @_;
1894		2709
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2712	# that depends on the exit object
1900		2713
1901	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2716	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1908	}	2723	}
1909		2724
1910	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1911		2726
1912	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1915		2730
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2733	undef $fh;
1919	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1920		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1923	}	2742	}
1924	}	2743	}
1925		2744
1926	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
1928		2747
1929	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1930		2749
1931	if ($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;	2750	$self->enter_link;
1941		2751
1942	(async {	2752	(async {
1943	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1944	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
1945	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
1946		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1947	1;	2776	1
1948	}) {	2777	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2782
1954	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2784	$self->leave_link;
1956	}	2785	}
1957	})->prio (1);	2786	})->prio (1);
…		…
1970		2799
1971	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1973		2802
1974	utf8::encode $text;	2803	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2805	}
1977		2806
		2807	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2808
		2809	Send a drawinfo or msg packet to the client, formatting the msg for the
		2810	client if neccessary. C<$type> should be a string identifying the type of
		2811	the message, with C<log> being the default. If C<$color> is negative, suppress
		2812	the message unless the client supports the msg packet.
		2813
		2814	=cut
		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
		2874	sub cf::client::send_msg {
		2875	my ($self, $channel, $msg, $color, @extra) = @_;
		2876
		2877	$msg = $self->pl->expand_cfpod ($msg);
		2878
		2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
		2890	} elsif (ref $channel) {
		2891	# send meta info to client, if not yet sent
		2892	unless (exists $self->{channel}{$channel->{id}}) {
		2893	$self->{channel}{$channel->{id}} = $channel;
		2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
		2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2910	} else {
		2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
		2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
		2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2929	} else {
		2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2931	$self->send_packet ("drawinfo $color $msg")
		2932	}
		2933	}
		2934	}
		2935	}
		2936
		2937	=item $client->ext_msg ($type, @msg)
		2938
		2939	Sends an ext event to the client.
		2940
		2941	=cut
		2942
		2943	sub cf::client::ext_msg($$@) {
		2944	my ($self, $type, @msg) = @_;
		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
		2949	push @msg, msgtype => "event_$type";
		2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
1978		2971
1979	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
1980		2973
1981	Queues a query to the client, calling the given callback with	2974	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>,	2975	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>.	2976	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2977
1985	Queries can fail, so check the return code. Or don't, as queries will become	2978	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2979	become reliable at some point in the future.
1987		2980
1988	=cut	2981	=cut
1989		2982
1990	sub cf::client::query {	2983	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2992	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2994
2002	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
2004	}	2999	}
2005		3000
2006	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
2007	on_reply => sub {	3007	on_reply => sub {
2008	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
2009		3009
2010	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
2011	# get handled first	3011	# get handled first
…		…
2023	} else {	3023	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3025	}
2026	}	3026	}
2027	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($ns, $buf) = @_;
		3030
		3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3032
		3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
		3041	if (my $cb = $EXTICMD{$type}) {
		3042	@reply = $cb->($ns, @payload);
		3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
		3048	} else {
		3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3050	}
		3051
		3052	cf::override;
		3053	},
2028	);	3054	);
2029		3055
2030	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
2031		3057
2032	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2075		3101
2076	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2077		3103
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2079		3109
2080	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2081		3111
2082	=pod	3112	=pod
2083		3113
2084	The following fucntions and emthods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2085		3115
2086	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
2087	cf::object::player player	3120	cf::object::player
2088	cf::player peaceful	3121	player
2089	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2090		3128
2091	=cut	3129	=cut
2092		3130
2093	for (	3131	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2098	) {	3138	) {
2099	no strict 'refs';	3139	no strict 'refs';
…		…
2170	=back	3210	=back
2171		3211
2172	=cut	3212	=cut
2173		3213
2174	#############################################################################	3214	#############################################################################
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	3215	# the server's init and main functions
2284		3216
		3217	sub load_facedata($) {
		3218	my ($path) = @_;
		3219
		3220	# HACK to clear player env face cache, we need some signal framework
		3221	# for this (global event?)
		3222	%ext::player_env::MUSIC_FACE_CACHE = ();
		3223
		3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3225
		3226	warn "loading facedata from $path\n";
		3227
		3228	my $facedata;
		3229	0 < aio_load $path, $facedata
		3230	or die "$path: $!";
		3231
		3232	$facedata = Coro::Storable::thaw $facedata;
		3233
		3234	$facedata->{version} == 2
		3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3236
		3237	# patch in the exptable
		3238	$facedata->{resource}{"res/exp_table"} = {
		3239	type => FT_RSRC,
		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3241	};
		3242	cf::cede_to_tick;
		3243
		3244	{
		3245	my $faces = $facedata->{faceinfo};
		3246
		3247	while (my ($face, $info) = each %$faces) {
		3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3249
		3250	cf::face::set_visibility $idx, $info->{visibility};
		3251	cf::face::set_magicmap $idx, $info->{magicmap};
		3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3254
		3255	cf::cede_to_tick;
		3256	}
		3257
		3258	while (my ($face, $info) = each %$faces) {
		3259	next unless $info->{smooth};
		3260
		3261	my $idx = cf::face::find $face
		3262	or next;
		3263
		3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
		3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3267	} else {
		3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3269	}
		3270
		3271	cf::cede_to_tick;
		3272	}
		3273	}
		3274
		3275	{
		3276	my $anims = $facedata->{animinfo};
		3277
		3278	while (my ($anim, $info) = each %$anims) {
		3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3280	cf::cede_to_tick;
		3281	}
		3282
		3283	cf::anim::invalidate_all; # d'oh
		3284	}
		3285
		3286	{
		3287	# TODO: for gcfclient pleasure, we should give resources
		3288	# that gcfclient doesn't grok a >10000 face index.
		3289	my $res = $facedata->{resource};
		3290
		3291	while (my ($name, $info) = each %$res) {
		3292	if (defined $info->{type}) {
		3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
		3295
		3296	if ($info->{type} & 1) {
		3297	# prepend meta info
		3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
		3311	} else {
		3312	$RESOURCE{$name} = $info;
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
		3321	1
		3322	}
		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
2285	sub load_resources {	3352	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
		3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
		3367	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3368	or die "unable to load regions file\n";
2288	}
2289		3369
2290	sub cfg_load {	3370	for (cf::region::list) {
		3371	$_->{match} = qr/$_->{match}/
		3372	if exists $_->{match};
		3373	}
		3374	}
		3375
		3376	sub reload_facedata {
		3377	load_facedata "$DATADIR/facedata"
		3378	or die "unable to load facedata\n";
		3379	}
		3380
		3381	sub reload_archetypes {
		3382	load_resource_file "$DATADIR/archetypes"
		3383	or die "unable to load archetypes\n";
		3384	}
		3385
		3386	sub reload_treasures {
		3387	load_resource_file "$DATADIR/treasures"
		3388	or die "unable to load treasurelists\n";
		3389	}
		3390
		3391	sub reload_resources {
		3392	warn "reloading resource files...\n";
		3393
		3394	reload_facedata;
		3395	reload_archetypes;
		3396	reload_regions;
		3397	reload_treasures;
		3398
		3399	warn "finished reloading resource files\n";
		3400	}
		3401
		3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
		3407	reload_resources;
		3408	}
		3409
		3410	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3412	or return;
2293		3413
2294	local $/;	3414	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2296		3416
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3418
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$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};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3426	};
2307	warn $@ if $@;	3427	warn $@ if $@;
2308	}	3428	}
2309	}	3429	}
2310		3430
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3431	sub main {
2316	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3435	(async {
2320	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2322	};	3439	};
2323		3440
2324	cfg_load;	3441	{
2325	db_load;	3442	my $guard = freeze_mainloop;
		3443	reload_config;
		3444	db_init;
2326	load_extensions;	3445	load_extensions;
2327		3446
2328	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2329	Event::loop;	3450	EV::loop;
2330	}	3451	}
2331		3452
2332	#############################################################################	3453	#############################################################################
2333	# initialisation and cleanup	3454	# initialisation and cleanup
2334		3455
2335	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2336	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3460	$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";	3461	cf::cleanup "SIG$signal";
2345	},
2346	);	3462	};
		3463	}
		3464	}
		3465
		3466	sub write_runtime_sync {
		3467	my $runtime = "$LOCALDIR/runtime";
		3468
		3469	# first touch the runtime file to show we are still running:
		3470	# the fsync below can take a very very long time.
		3471
		3472	IO::AIO::aio_utime $runtime, undef, undef;
		3473
		3474	my $guard = cf::lock_acquire "write_runtime";
		3475
		3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = $cf::RUNTIME + 90 + 10;
		3480	# 10 is the runtime save interval, for a monotonic clock
		3481	# 60 allows for the watchdog to kill the server.
		3482
		3483	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3484	and return;
		3485
		3486	# always fsync - this file is important
		3487	aio_fsync $fh
		3488	and return;
		3489
		3490	# touch it again to show we are up-to-date
		3491	aio_utime $fh, undef, undef;
		3492
		3493	close $fh
		3494	or return;
		3495
		3496	aio_rename "$runtime~", $runtime
		3497	and return;
		3498
		3499	warn "runtime file written.\n";
		3500
2347	}	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2348	}	3545	}
2349		3546
2350	sub emergency_save() {	3547	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2352		3549
…		…
2358	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3561	$pl->save;
2364	}	3562	}
2365	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2366		3564
2367	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3567	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3568	$map->valid or next;
2371	$map->save;	3569	$map->save;
2372	}	3570	}
2373	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
		3572
		3573	warn "begin emergency database checkpoint\n";
		3574	BDB::db_env_txn_checkpoint $DB_ENV;
		3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2374	};	3580	};
2375		3581
2376	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2377	}	3583	}
2378		3584
		3585	sub post_cleanup {
		3586	my ($make_core) = @_;
		3587
		3588	warn Carp::longmess "post_cleanup backtrace"
		3589	if $make_core;
		3590	}
		3591
2379	sub reload() {	3592	sub do_reload_perl() {
2380	# can/must only be called in main	3593	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3594	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3595	warn "can only reload from main coroutine";
2383	return;	3596	return;
2384	}	3597	}
2385		3598
2386	warn "reloading...";	3599	warn "reloading...";
2387		3600
2388	warn "cancelling server ticker";	3601	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3602
		3603	cf::sync_job {
		3604	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3605	cf::emergency_save;
		3606	cf::write_runtime_sync; # external watchdog should not bark
2392		3607
2393	eval {	3608	warn "syncing database to disk";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		3610
2394	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
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 $_->data & WF_AUTOCANCEL;
2402	}
2403		3612
2404	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2405	for (;;) {	3614	for (;;) {
		3615	BDB::flush;
2406	IO::AIO::flush;	3616	IO::AIO::flush;
2407	Coro::cede;	3617	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3619	warn "iterate...";
2410	}	3620	}
		3621
		3622	++$RELOAD;
2411		3623
2412	warn "cancelling all extension coros";	3624	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3625	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3626	%EXT_CORO = ();
2415		3627
2416	warn "removing commands";	3628	warn "removing commands";
2417	%COMMAND = ();	3629	%COMMAND = ();
2418		3630
2419	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2421		3634
2422	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2425		3638
…		…
2455	Symbol::delete_package "safe::$_"	3668	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3669	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3670
2458	warn "unloading cf.pm \"a bit\"";	3671	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3672	delete $INC{"cf.pm"};
		3673	delete $INC{"cf/pod.pm"};
2460		3674
2461	# don't, removes xs symbols, too,	3675	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3676	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3677	#Symbol::delete_package __PACKAGE__;
2464		3678
…		…
2467	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2468	require cf;	3682	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3684
2471	warn "loading config and database again";	3685	warn "loading config and database again";
2472	cf::cfg_load;	3686	cf::reload_config;
2473	cf::db_load;
2474		3687
2475	warn "loading extensions";	3688	warn "loading extensions";
2476	cf::load_extensions;	3689	cf::load_extensions;
2477		3690
2478	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3692	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3693	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3694	reattach $_ for values %MAP;
		3695	warn "reattaching attachments to players";
		3696	reattach $_ for values %PLAYER;
2482		3697
2483	warn "loading reloadable resources";	3698	warn "leaving sync_job";
2484	load_resources;
2485		3699
2486	warn "restarting server ticker";	3700	1
2487		3701	} or do {
2488	$TICK_WATCHER->start;	3702	warn $@;
		3703	cf::cleanup "error while reloading, exiting.";
2489	};	3704	};
2490
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496		3705
2497	warn "reloaded";	3706	warn "reloaded";
2498	};	3707	};
2499		3708
2500	our $RELOAD_WATCHER; # used only during reload	3709	our $RELOAD_WATCHER; # used only during reload
2501		3710
		3711	sub reload_perl() {
		3712	# doing reload synchronously and two reloads happen back-to-back,
		3713	# coro crashes during coro_state_free->destroy here.
		3714
		3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3716	do_reload_perl;
		3717	undef $RELOAD_WATCHER;
		3718	};
		3719	}
		3720
2502	register_command "reload" => sub {	3721	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2504		3723
2505	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
2507		3726	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3727	$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;	3728	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3729	};
2520	}	3730	}
2521	};	3731	};
2522		3732
2523	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2524		3734
2525	my $bug_warning = 0;	3735	my $bug_warning = 0;
2526		3736
2527	$TICK_WATCHER = Event->timer (	3737	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3738	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3739
2530	prio => 0,	3740	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3742
2533	cb => sub {	3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub wait_for_tick_begin {
		3749	return if tick_inhibit || $Coro::current == $Coro::main;
		3750
		3751	my $signal = new Coro::Signal;
		3752	push @WAIT_FOR_TICK_BEGIN, $signal;
		3753	$signal->wait;
		3754	}
		3755
		3756	sub tick {
2534	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2537	return;	3760	return;
2538	}	3761	}
2539		3762
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3764
2546	$WAIT_FOR_TICK->broadcast;	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3767	Coro::async_pool {
		3768	$Coro::current->{desc} = "runtime saver";
		3769	write_runtime_sync
		3770	or warn "ERROR: unable to write runtime file: $!";
		3771	};
		3772	}
2548		3773
2549	Event::sweep;	3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3775	$sig->send;
		3776	}
		3777	while (my $sig = shift @WAIT_FOR_TICK) {
		3778	$sig->send;
		3779	}
		3780
		3781	$LOAD = ($NOW - $TICK_START) / $TICK;
		3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3783
		3784	if (0) {
		3785	if ($NEXT_TICK) {
		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
2551		3789	}
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	},	3790	}
2561	);	3791	}
2562		3792
2563	{	3793	{
2564	BDB::max_poll_time $TICK * 0.1;	3794	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3795
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;	3796	BDB::min_parallel 8;
2574		3797	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3798	$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	$! = $status;
2586	},
2587	)
2588	};
2589		3799
2590	unless ($DB_ENV) {	3800	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3807
2593	cf::sync_job {	3808	cf::sync_job {
		3809	eval {
2594	BDB::db_env_open	3810	BDB::db_env_open
2595	$DB_ENV,	3811	$DB_ENV,
2596	$BDB_ENV_DIR,	3812	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3815	0666;
2600		3816
2601	cf::cleanup "$!" if $!;	3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3818	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3819
2604	$DB_ENV->set_lk_detect;	3820	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3821	};
2606	}	3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
2607	}	3833	}
2608		3834
2609	{	3835	{
		3836	# configure IO::AIO
		3837
2610	IO::AIO::min_parallel 8;	3838	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3839	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3840	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3841	}
2623		3842
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3843	my $_log_backtrace;
2625	reentrant => 0,	3844
2626	data => WF_AUTOCANCEL,	3845	sub _log_backtrace {
2627	after => 1,	3846	my ($msg, @addr) = @_;
2628	interval => 10,	3847
2629	prio => 6, # keep it lowest so it acts like a watchdog	3848	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3849
2631	write_runtime	3850	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3851	if ($_log_backtrace < 2) {
		3852	++$_log_backtrace;
		3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
		3856	my @bt = fork_call {
		3857	@addr = map { sprintf "%x", $_ } @addr;
		3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3860	or die "addr2line: $!";
		3861
		3862	my @funcs;
		3863	my @res = <$fh>;
		3864	chomp for @res;
		3865	while (@res) {
		3866	my ($func, $line) = splice @res, 0, 2, ();
		3867	push @funcs, "[$func] $line";
		3868	}
		3869
		3870	@funcs
		3871	};
		3872
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] $_\n" for @bt;
		3875	--$_log_backtrace;
		3876	};
		3877	} else {
		3878	LOG llevInfo, "[ABT] $msg\n";
		3879	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3880	}
2634	);	3881	}
		3882
		3883	# load additional modules
		3884	use cf::pod;
2635		3885
2636	END { cf::emergency_save }	3886	END { cf::emergency_save }
2637		3887
2638	1	3888	1
2639		3889

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