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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
		83	our $RELOAD; # number of reloads so far
48	our @EVENT;	84	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		85
51	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	87	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	101	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	107	our $DB_ENV;
61		108
62	our %CFG;	109	our %CFG;
63		110
64	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
66		114
67	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		118
76	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
79	binmode STDOUT;	127	binmode STDOUT;
80	binmode STDERR;	128	binmode STDERR;
81		129
82	# read virtual server time, if available	130	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
87	}	135	}
88		136
89	mkdir cf::localdir;	137	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		139
96	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
97		141
98	sub cf::map::normalise;	142	sub cf::map::normalise;
99		143
…		…
110	=item $cf::RUNTIME	154	=item $cf::RUNTIME
111		155
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	157	every server tick.
114		158
115	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		162
117	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
119		167
120	=item $cf::NOW	168	=item $cf::NOW
121		169
122	The time of the last (current) server tick.	170	The time of the last (current) server tick.
123		171
124	=item $cf::TICK	172	=item $cf::TICK
125		173
126	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
127		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
128	=item %cf::CFG	186	=item %cf::CFG
129		187
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	189	from wherever your confdir points to.
132		190
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		192
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
139		202
140	=back	203	=back
141		204
142	=cut	205	=cut
143		206
144	BEGIN {	207	BEGIN {
145	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	209	my $msg = join "", @_;
147	utf8::encode $msg;
148		210
149	$msg .= "\n"	211	$msg .= "\n"
150	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
151		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
152	LOG llevError, $msg;	216	LOG llevError, $msg;
153	};	217	};
154	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
155		234
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		242
163	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	244	# within the Safe compartment.
165	for my $pkg (qw(	245	for my $pkg (qw(
166	cf::global cf::attachable	246	cf::global cf::attachable
167	cf::object cf::object::player	247	cf::object cf::object::player
168	cf::client cf::player	248	cf::client cf::player
169	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
170	cf::map cf::party cf::region	251	cf::party cf::region
171	)) {	252	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	254	}
175		255
176	$Event::DIED = sub {	256	$EV::DIED = sub {
177	warn "error in event callback: @_";	257	warn "error in event callback: @_";
178	};	258	};
		259
		260	#############################################################################
179		261
180	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
181		263
182	=over 4	264	=over 4
183		265
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	285	$d
204	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
205	}	287	}
206		288
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
210		290
211	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
212		292
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
221		294
222	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
223		296
224	=cut	297	=cut
225		298
226	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
228	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
230		303
231	=item cf::lock_wait $string	304	=item cf::lock_wait $string
232		305
233	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
234		307
…		…
237	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
240	returned.	313	returned.
241		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
242	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
244		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
245	=cut	325	=cut
246		326
247	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
248		329
249	sub lock_wait($) {	330	sub lock_wait($) {
250	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
251		337
252	# wait for lock, if any	338	# wait for lock, if any
253	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	341	Coro::schedule;
…		…
261		347
262	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
263	lock_wait $key;	349	lock_wait $key;
264		350
265	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
266		353
267	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
270	}	358	}
271	}	359	}
272		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
273	sub freeze_mainloop {	367	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
275		369
276	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
278	};	431	}
279	$TICK_WATCHER->stop;	432	};
280	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
281	}	446	}
282		447
283	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
284		449
285	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		455
291	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
292		457
293	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
294		459
295	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
298		464
299	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
302	fast or be very important.	468	fast or be very important.
…		…
305		471
306	sub sync_job(&) {	472	sub sync_job(&) {
307	my ($job) = @_;	473	my ($job) = @_;
308		474
309	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
310	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
312		480
313	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	482
315	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
316		484
317	my $busy = 1;	485	my $busy = 1;
318	my @res;	486	my @res;
319		487
320	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	490	@res = eval { $job->() };
322	warn $@ if $@;	491	warn $@ if $@;
323	undef $busy;	492	undef $busy;
324	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
325		494
326	while ($busy) {	495	while ($busy) {
327	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
328	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
329		506
330	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
331	} else {	508	} else {
332	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
333		510
…		…
353	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
354		531
355	$coro	532	$coro
356	}	533	}
357		534
358	sub write_runtime {	535	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		536
361	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
362		541
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
364	or return;
365		543
366	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		546
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
371	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
372		550
373	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	552	reset_signals;
375	and return;	553	&$cb
		554	}, @args;
376		555
377	close $fh	556	wantarray ? @res : $res[-1]
378	or return;	557	}
379		558
380	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
381	and return;
382		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
383	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	722	}
385		723
386	=back	724	=back
387		725
388	=cut	726	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
397		735
398	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	738	Deliantra).
401		739
402	=over 4	740	=over 4
403		741
404	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
405		743
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
569		907
570	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		912
575	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	914	my $pkg = shift @arg;
577		915
578	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
608	}	946	}
609		947
610	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
611	} else {	949	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	951	}
614		952
615	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
616	}	954	}
617		955
…		…
619	if (ref $_[0]) {	957	if (ref $_[0]) {
620	_object_attach @_;	958	_object_attach @_;
621	} else {	959	} else {
622	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
623	}	961	}
		962	_recalc_want;
624	};	963	};
625		964
626	# all those should be optimised	965	# all those should be optimised
627	sub cf::attachable::detach {	966	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
632	reattach ($obj);	971	reattach ($obj);
633	} else {	972	} else {
634	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
635	}	974	}
		975	_recalc_want;
636	};	976	};
637		977
638	sub cf::attachable::attached {	978	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
640		980
…		…
655	";	995	";
656	die if $@;	996	die if $@;
657	}	997	}
658		998
659	our $override;	999	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1001
662	sub override {	1002	sub override {
663	$override = 1;	1003	$override = 1;
664	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
665	}	1005	}
666		1006
667	sub do_invoke {	1007	sub do_invoke {
668	my $event = shift;	1008	my $event = shift;
669	my $callbacks = shift;	1009	my $callbacks = shift;
670		1010
671	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
672		1012
673	local $override;	1013	local $override;
674		1014
675	for (@$callbacks) {	1015	for (@$callbacks) {
676	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
685	}	1025	}
686		1026
687	0	1027	0
688	}	1028	}
689		1029
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1031
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1033
694	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
695		1035
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1039
700	=back	1040	=back
701		1041
702	=cut	1042	=cut
703		1043
704	#############################################################################	1044	#############################################################################
705	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
706		1088
707	sub reattach {	1089	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1091	my ($obj) = @_;
710		1092
		1093	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1095
713	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
714		1097
715	@$registry = ();	1098	@$registry = ();
716		1099
…		…
731	cf::attachable->attach (	1114	cf::attachable->attach (
732	prio => -1000000,	1115	prio => -1000000,
733	on_instantiate => sub {	1116	on_instantiate => sub {
734	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
735		1118
736	$data = from_json $data;	1119	$data = decode_json $data;
737		1120
738	for (@$data) {	1121	for (@$data) {
739	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
740		1123
741	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1140	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
759		1142
760	sync_job {	1143	sync_job {
761	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
764		1148
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1153	aio_close $fh;
770		1154
771	if (@$objs) {	1155	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1161	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
779	}	1163	}
780	} else {	1164	} else {
781	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
782	}	1166	}
…		…
787	}	1171	}
788	} else {	1172	} else {
789	aio_unlink $filename;	1173	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
791	}	1175	}
792	}	1176	};
793	}	1177	}
794		1178
795	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
797		1181
…		…
809	or return;	1193	or return;
810		1194
811	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
813	or return;	1197	or return;
		1198
814	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
815	}	1201	}
816		1202
		1203	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
819	return ($data, $av);	1207	($data, $av)
820	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
821		1215
822	#############################################################################	1216	#############################################################################
823	# command handling &c	1217	# command handling &c
824		1218
825	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1233	}
840		1234
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1236
843	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
844		1242
845	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
846	called.	1244	called.
847		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
848	=cut	1257	=cut
849		1258
850	sub register_extcmd {	1259	sub register_extcmd {
851	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
852		1261
853	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
854	}	1269	}
855		1270
856	cf::player->attach (	1271	cf::player->attach (
857	on_command => sub {	1272	on_command => sub {
858	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1282	cf::override;
868	},	1283	},
869	on_extcmd => sub {	1284	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
871		1286
872	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1288
874	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
880	} else {	1304	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1306	}
883		1307
884	cf::override;	1308	cf::override;
885	},	1309	},
886	);	1310	);
887		1311
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
923	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1317	next unless -r $path;
925	eval {	1318
926	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
927	1	1375	}
928	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
929	}	1381	};
930	}	1382	}
931		1383
932	#############################################################################	1384	#############################################################################
933		1385
		1386	=back
		1387
934	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
935		1389
936	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
937		1391
938	=cut	1392	=cut
…		…
943		1397
944	=head3 cf::player	1398	=head3 cf::player
945		1399
946	=over 4	1400	=over 4
947		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
948	=item cf::player::find $login	1416	=item cf::player::find $login
949		1417
950	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
951		1419
952	=cut	1420	=cut
953		1421
954	sub playerdir($) {	1422	sub playerdir($) {
955	cf::localdir	1423	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1425	}
961		1426
962	sub path($) {	1427	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1429
965	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
966	}	1431	}
967		1432
968	sub find_active($) {	1433	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1448	my $login = $_[0];
984		1449
985	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
986		1451
987	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
989	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
991	}	1469	}
992	}	1470	}
993	}	1471	}
994		1472
…		…
1003	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1004		1482
1005	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1007		1485
		1486	cf::get_slot 0.01;
		1487
1008	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1009	Coro::cede;	1489	cf::cede_to_tick;
1010	}	1490	}
1011		1491
1012	sub new($) {	1492	sub new($) {
1013	my ($login) = @_;	1493	my ($login) = @_;
1014		1494
…		…
1020	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1021		1501
1022	$self	1502	$self
1023	}	1503	}
1024		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1025	=item $pl->quit_character	1515	=item $pl->quit_character
1026		1516
1027	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1029		1519
1030	=cut	1520	=cut
1031		1521
1032	sub quit_character {	1522	sub quit_character {
1033	my ($pl) = @_;	1523	my ($pl) = @_;
1034		1524
		1525	my $name = $pl->ob->name;
		1526
1035	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1529
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1042		1536
1043	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1048	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1049	}	1563	}
1050		1564
1051	=item cf::player::list_logins	1565	=item cf::player::list_logins
1052		1566
1053	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1055		1569
1056	=cut	1570	=cut
1057		1571
1058	sub list_logins {	1572	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1574	or return [];
1061		1575
1062	my @logins;	1576	my @logins;
1063		1577
1064	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1068		1588
1069	utf8::decode $login;	1589	utf8::decode $login;
1070	push @logins, $login;	1590	push @logins, $login;
1071	}	1591	}
1072		1592
…		…
1099	}	1619	}
1100		1620
1101	\@paths	1621	\@paths
1102	}	1622	}
1103		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1628	=item $player->ext_reply ($msgid, @msg)
1105		1629
1106	Sends an ext reply to the player.	1630	Sends an ext reply to the player.
1107		1631
1108	=cut	1632	=cut
1109		1633
1110	sub ext_reply($$$%) {	1634	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1635	my ($self, $id, @msg) = @_;
1112		1636
1113	$msg{msgid} = $id;	1637	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1638	}
1117		1639
1118	package cf;	1640	=item $player->ext_msg ($type, @msg)
		1641
		1642	Sends an ext event to the client.
		1643
		1644	=cut
		1645
		1646	sub ext_msg($$@) {
		1647	my ($self, $type, @msg) = @_;
		1648
		1649	$self->ns->ext_msg ($type, @msg);
		1650	}
		1651
		1652	=head3 cf::region
		1653
		1654	=over 4
		1655
		1656	=cut
		1657
		1658	package cf::region;
		1659
		1660	=item cf::region::find_by_path $path
		1661
		1662	Tries to decuce the likely region for a map knowing only its path.
		1663
		1664	=cut
		1665
		1666	sub find_by_path($) {
		1667	my ($path) = @_;
		1668
		1669	my ($match, $specificity);
		1670
		1671	for my $region (list) {
		1672	if ($region->{match} && $path =~ $region->{match}) {
		1673	($match, $specificity) = ($region, $region->specificity)
		1674	if $region->specificity > $specificity;
		1675	}
		1676	}
		1677
		1678	$match
		1679	}
1119		1680
1120	=back	1681	=back
1121
1122		1682
1123	=head3 cf::map	1683	=head3 cf::map
1124		1684
1125	=over 4	1685	=over 4
1126		1686
…		…
1138	our $MAX_RESET = 3600;	1698	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1699	our $DEFAULT_RESET = 3000;
1140		1700
1141	sub generate_random_map {	1701	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1702	my ($self, $rmp) = @_;
		1703
		1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1705
1143	# mit "rum" bekleckern, nicht	1706	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1707	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1744	my ($self, $merge) = @_;
1182		1745
1183	# we have to keep some variables in memory intact	1746	# we have to keep some variables in memory intact
1184	local $self->{path};	1747	local $self->{path};
1185	local $self->{load_path};	1748	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1749
1189	$self->SUPER::thawer_merge ($merge);	1750	$self->SUPER::thawer_merge ($merge);
1190	}	1751	}
1191		1752
1192	sub normalise {	1753	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1800	$self->init; # pass $1 etc.
1240	return $self;	1801	return $self;
1241	}	1802	}
1242	}	1803	}
1243		1804
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1805	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1806	()
1246	}	1807	}
1247		1808
1248	sub init {	1809	sub init {
1249	my ($self) = @_;	1810	my ($self) = @_;
…		…
1264		1825
1265	# the original (read-only) location	1826	# the original (read-only) location
1266	sub load_path {	1827	sub load_path {
1267	my ($self) = @_;	1828	my ($self) = @_;
1268		1829
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1830	"$MAPDIR/$self->{path}.map"
1270	}	1831	}
1271		1832
1272	# the temporary/swap location	1833	# the temporary/swap location
1273	sub save_path {	1834	sub save_path {
1274	my ($self) = @_;	1835	my ($self) = @_;
1275		1836
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1837	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1838	"$TMPDIR/$path.map"
1278	}	1839	}
1279		1840
1280	# the unique path, undef == no special unique path	1841	# the unique path, undef == no special unique path
1281	sub uniq_path {	1842	sub uniq_path {
1282	my ($self) = @_;	1843	my ($self) = @_;
1283		1844
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1846	"$UNIQUEDIR/$path"
1286	}	1847	}
1287		1848
1288	# and all this just because we cannot iterate over	1849	# and all this just because we cannot iterate over
1289	# all maps in C++...	1850	# all maps in C++...
1290	sub change_all_map_light {	1851	sub change_all_map_light {
…		…
1292		1853
1293	$_->change_map_light ($change)	1854	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1855	for grep $_->outdoor, values %cf::MAP;
1295	}	1856	}
1296		1857
		1858	sub decay_objects {
		1859	my ($self) = @_;
		1860
		1861	return if $self->{deny_reset};
		1862
		1863	$self->do_decay_objects;
		1864	}
		1865
1297	sub unlink_save {	1866	sub unlink_save {
1298	my ($self) = @_;	1867	my ($self) = @_;
1299		1868
1300	utf8::encode (my $save = $self->save_path);	1869	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1870	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1873
1305	sub load_header_from($) {	1874	sub load_header_from($) {
1306	my ($self, $path) = @_;	1875	my ($self, $path) = @_;
1307		1876
1308	utf8::encode $path;	1877	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1878	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1879	or return;
		1880
		1881	$self->_load_header ($f)
		1882	or return;
		1883
		1884	local $MAP_LOADING{$self->{path}} = $self;
		1885	$f->resolve_delayed_derefs;
1314		1886
1315	$self->{load_path} = $path;	1887	$self->{load_path} = $path;
1316		1888
1317	1	1889	1
1318	}	1890	}
…		…
1357	$self->load_header_orig	1929	$self->load_header_orig
1358	or return;	1930	or return;
1359	$self->prepare_orig;	1931	$self->prepare_orig;
1360	}	1932	}
1361		1933
		1934	$self->{deny_reset} = 1
		1935	if $self->no_reset;
		1936
		1937	$self->default_region (cf::region::find_by_path $self->{path})
		1938	unless $self->default_region;
		1939
1362	1	1940	1
1363	}	1941	}
1364		1942
1365	sub find;	1943	sub find;
1366	sub find {	1944	sub find {
1367	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1368		1946
1369	$path = normalise $path, $origin && $origin->path;	1947	$path = normalise $path, $origin && $origin->path;
1370		1948
		1949	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1950	cf::lock_wait "map_find:$path";
1372		1951
1373	$cf::MAP{$path} || do {	1952	$cf::MAP{$path} || do {
		1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1374	my $guard = cf::lock_acquire "map_find:$path";	1954	my $guard2 = cf::lock_acquire "map_find:$path";
		1955
1375	my $map = new_from_path cf::map $path	1956	my $map = new_from_path cf::map $path
1376	or return;	1957	or return;
1377		1958
1378	$map->{last_save} = $cf::RUNTIME;	1959	$map->{last_save} = $cf::RUNTIME;
1379		1960
1380	$map->load_header	1961	$map->load_header
1381	or return;	1962	or return;
1382		1963
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1964	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1965	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1966	#$cf::WAIT_FOR_TICK->wait;
		1967	undef $guard2;
		1968	undef $guard1;
1386	$map->reset;	1969	$map->reset;
1387	undef $guard;
1388	return find $path;	1970	return find $path;
1389	}	1971	}
1390		1972
1391	$cf::MAP{$path} = $map	1973	$cf::MAP{$path} = $map
1392	}	1974	}
…		…
1399	my ($self) = @_;	1981	my ($self) = @_;
1400		1982
1401	local $self->{deny_reset} = 1; # loading can take a long time	1983	local $self->{deny_reset} = 1; # loading can take a long time
1402		1984
1403	my $path = $self->{path};	1985	my $path = $self->{path};
		1986
		1987	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1988	my $guard = cf::lock_acquire "map_data:$path";
1405		1989
		1990	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1991	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1992
1408	$self->in_memory (cf::MAP_LOADING);	1993	$self->in_memory (cf::MAP_LOADING);
1409		1994
1410	$self->alloc;	1995	$self->alloc;
1411		1996
1412	$self->pre_load;	1997	$self->pre_load;
		1998	cf::cede_to_tick;
1413		1999
1414	$self->_load_objects ($self->{load_path}, 1)	2000	my $f = new_from_file cf::object::thawer $self->{load_path};
		2001	$f->skip_block;
		2002	$self->_load_objects ($f)
1415	or return;	2003	or return;
1416		2004
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2005	$self->post_load_original
1418	if delete $self->{load_original};	2006	if delete $self->{load_original};
1419		2007
1420	if (my $uniq = $self->uniq_path) {	2008	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	2009	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	2010	unless (aio_stat $uniq) {
		2011	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	2012	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	2013	$self->_load_objects ($f);
		2014	$f->resolve_delayed_derefs;
		2015	}
1425	}	2016	}
1426	}	2017	}
1427		2018
1428	Coro::cede;	2019	$f->resolve_delayed_derefs;
1429		2020
		2021	cf::cede_to_tick;
1430	# now do the right thing for maps	2022	# now do the right thing for maps
1431	$self->link_multipart_objects;	2023	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	2024	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	2025	unless $self->difficulty;
1441	Coro::cede;	2026	cf::cede_to_tick;
		2027
		2028	unless ($self->{deny_activate}) {
		2029	$self->decay_objects;
		2030	$self->fix_auto_apply;
		2031	$self->update_buttons;
		2032	cf::cede_to_tick;
		2033	$self->set_darkness_map;
		2034	cf::cede_to_tick;
1442	$self->activate;	2035	$self->activate;
		2036	}
		2037
		2038	$self->{last_save} = $cf::RUNTIME;
		2039	$self->last_access ($cf::RUNTIME);
		2040
		2041	$self->in_memory (cf::MAP_ACTIVE);
1443	}	2042	}
1444		2043
1445	$self->post_load;	2044	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2045	}
1449		2046
1450	sub customise_for {	2047	sub customise_for {
1451	my ($self, $ob) = @_;	2048	my ($self, $ob) = @_;
1452		2049
1453	return find "~" . $ob->name . "/" . $self->{path}	2050	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2051	if $self->per_player;
1455		2052
		2053	# return find "?party/" . $ob->name . "/" . $self->{path}
		2054	# if $self->per_party;
		2055
1456	$self	2056	$self
1457	}	2057	}
1458		2058
1459	# find and load all maps in the 3x3 area around a map	2059	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	2060	sub load_neighbours {
1461	my ($map) = @_;	2061	my ($map) = @_;
1462		2062
1463	my @diag; # diagonal neighbours	2063	my @neigh; # diagonal neighbours
1464		2064
1465	for (0 .. 3) {	2065	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2066	my $neigh = $map->tile_path ($_)
1467	or next;	2067	or next;
1468	$neigh = find $neigh, $map	2068	$neigh = find $neigh, $map
1469	or next;	2069	or next;
1470	$neigh->load;	2070	$neigh->load;
1471		2071
		2072	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2075	}
1475		2076
1476	for (@diag) {	2077	for (grep defined $_->[0], @neigh) {
		2078	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2079	my $neigh = find $path, $origin
1478	or next;	2080	or next;
1479	$neigh->load;	2081	$neigh->load;
1480	}	2082	}
1481	}	2083	}
1482		2084
…		…
1487	}	2089	}
1488		2090
1489	sub do_load_sync {	2091	sub do_load_sync {
1490	my ($map) = @_;	2092	my ($map) = @_;
1491		2093
		2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2095	if $Coro::current == $Coro::main;
		2096
1492	cf::sync_job { $map->load };	2097	cf::sync_job { $map->load };
1493	}	2098	}
1494		2099
1495	our %MAP_PREFETCH;	2100	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2101	our $MAP_PREFETCHER = undef;
1497		2102
1498	sub find_async {	2103	sub find_async {
1499	my ($path, $origin) = @_;	2104	my ($path, $origin, $load) = @_;
1500		2105
1501	$path = normalise $path, $origin && $origin->{path};	2106	$path = normalise $path, $origin && $origin->{path};
1502		2107
1503	if (my $map = $cf::MAP{$path}) {	2108	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505	}	2110	}
1506		2111
1507	undef $MAP_PREFETCH{$path};	2112	$MAP_PREFETCH{$path} |= $load;
		2113
1508	$MAP_PREFETCHER ||= cf::async {	2114	$MAP_PREFETCHER ||= cf::async {
		2115	$Coro::current->{desc} = "map prefetcher";
		2116
1509	while (%MAP_PREFETCH) {	2117	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2118	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2119	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2120	$map->load if $v;
		2121	}
1514		2122
1515	delete $MAP_PREFETCH{$path};	2123	delete $MAP_PREFETCH{$k};
1516	}	2124	}
1517	}	2125	}
1518	undef $MAP_PREFETCHER;	2126	undef $MAP_PREFETCHER;
1519	};	2127	};
1520	$MAP_PREFETCHER->prio (6);	2128	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2131	}
1524		2132
1525	sub save {	2133	sub save {
1526	my ($self) = @_;	2134	my ($self) = @_;
1527		2135
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2137
1530	$self->{last_save} = $cf::RUNTIME;	2138	$self->{last_save} = $cf::RUNTIME;
1531		2139
1532	return unless $self->dirty;	2140	return unless $self->dirty;
1533		2141
…		…
1539	return if $self->{deny_save};	2147	return if $self->{deny_save};
1540		2148
1541	local $self->{last_access} = $self->last_access;#d#	2149	local $self->{last_access} = $self->last_access;#d#
1542		2150
1543	cf::async {	2151	cf::async {
		2152	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2153	$_->contr->save for $self->players;
1545	};	2154	};
		2155
		2156	cf::get_slot 0.02;
1546		2157
1547	if ($uniq) {	2158	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2159	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2160	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1550	} else {	2161	} else {
…		…
1556	my ($self) = @_;	2167	my ($self) = @_;
1557		2168
1558	# save first because save cedes	2169	# save first because save cedes
1559	$self->save;	2170	$self->save;
1560		2171
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2173
1563	return if $self->players;	2174	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2175	return if $self->in_memory != cf::MAP_ACTIVE;
1565	return if $self->{deny_save};	2176	return if $self->{deny_save};
1566		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	$self->deactivate;
		2181	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2182	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2183	}
1570		2184
1571	sub reset_at {	2185	sub reset_at {
1572	my ($self) = @_;	2186	my ($self) = @_;
1573		2187
1574	# TODO: safety, remove and allow resettable per-player maps	2188	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2189	return 1e99 if $self->{deny_reset};
1577		2190
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2193
…		…
1591	my ($self) = @_;	2204	my ($self) = @_;
1592		2205
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2207
1595	return if $self->players;	2208	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2209
1598	warn "resetting map ", $self->path;#d#	2210	warn "resetting map ", $self->path;
1599		2211
1600	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
1601		2213
1602	# need to save uniques path	2214	# need to save uniques path
1603	unless ($self->{deny_save}) {	2215	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2219	if $uniq;
1608	}	2220	}
1609		2221
1610	delete $cf::MAP{$self->path};	2222	delete $cf::MAP{$self->path};
1611		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2226	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2227
1616	$self->unlink_save;	2228	$self->unlink_save;
1617	$self->destroy;	2229	$self->destroy;
1618	}	2230	}
1619		2231
1620	my $nuke_counter = "aaaa";	2232	my $nuke_counter = "aaaa";
1621		2233
1622	sub nuke {	2234	sub nuke {
1623	my ($self) = @_;	2235	my ($self) = @_;
1624		2236
		2237	{
		2238	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2239
1625	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1626		2241
1627	$self->unlink_save;	2242	$self->unlink_save;
1628		2243
1629	bless $self, "cf::map";	2244	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2245	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2246	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2247	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2249
1635	$cf::MAP{$self->path} = $self;	2250	$cf::MAP{$self->path} = $self;
		2251	}
1636		2252
1637	$self->reset; # polite request, might not happen	2253	$self->reset; # polite request, might not happen
		2254	}
		2255
		2256	=item $maps = cf::map::tmp_maps
		2257
		2258	Returns an arrayref with all map paths of currently instantiated and saved
		2259	maps. May block.
		2260
		2261	=cut
		2262
		2263	sub tmp_maps() {
		2264	[
		2265	map {
		2266	utf8::decode $_;
		2267	/\.map$/
		2268	? normalise $_
		2269	: ()
		2270	} @{ aio_readdir $TMPDIR or [] }
		2271	]
		2272	}
		2273
		2274	=item $maps = cf::map::random_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	random maps. May block.
		2278
		2279	=cut
		2280
		2281	sub random_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise "?random/$_"
		2287	: ()
		2288	} @{ aio_readdir $RANDOMDIR or [] }
		2289	]
1638	}	2290	}
1639		2291
1640	=item cf::map::unique_maps	2292	=item cf::map::unique_maps
1641		2293
1642	Returns an arrayref of paths of all shared maps that have	2294	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2295	instantiated unique items. May block.
1644		2296
1645	=cut	2297	=cut
1646		2298
1647	sub unique_maps() {	2299	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2300	[
1649	or return;	2301	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2302	utf8::decode $_;
1655	next if /\.pst$/;	2303	s/\.map$//; # TODO future compatibility hack
1656	next unless /^$PATH_SEP/o;	2304	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657		2305	? ()
1658	push @paths, cf::map::normalise $_;	2306	: normalise $_
		2307	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2308	]
1660
1661	\@paths
1662	}	2309	}
1663
1664	package cf;
1665		2310
1666	=back	2311	=back
1667		2312
1668	=head3 cf::object	2313	=head3 cf::object
1669		2314
…		…
1673		2318
1674	=over 4	2319	=over 4
1675		2320
1676	=item $ob->inv_recursive	2321	=item $ob->inv_recursive
1677		2322
1678	Returns the inventory of the object _and_ their inventories, recursively.	2323	Returns the inventory of the object I<and> their inventories, recursively,
		2324	but I<not> the object itself.
1679		2325
1680	=cut	2326	=cut
1681		2327
1682	sub inv_recursive_;	2328	sub inv_recursive_;
1683	sub inv_recursive_ {	2329	sub inv_recursive_ {
…		…
1686		2332
1687	sub inv_recursive {	2333	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2334	inv_recursive_ inv $_[0]
1689	}	2335	}
1690		2336
		2337	=item $ref = $ob->ref
		2338
		2339	Creates and returns a persistent reference to an object that can be stored as a string.
		2340
		2341	=item $ob = cf::object::deref ($refstring)
		2342
		2343	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2344	even if the object actually exists. May block.
		2345
		2346	=cut
		2347
		2348	sub deref {
		2349	my ($ref) = @_;
		2350
		2351	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2352	my ($uuid, $name) = ($1, $2);
		2353	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2354	or return;
		2355	$pl->ob->uuid eq $uuid
		2356	or return;
		2357
		2358	$pl->ob
		2359	} else {
		2360	warn "$ref: cannot resolve object reference\n";
		2361	undef
		2362	}
		2363	}
		2364
1691	package cf;	2365	package cf;
1692		2366
1693	=back	2367	=back
1694		2368
1695	=head3 cf::object::player	2369	=head3 cf::object::player
…		…
1701	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2375	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1702	can be C<undef>. Does the right thing when the player is currently in a	2376	can be C<undef>. Does the right thing when the player is currently in a
1703	dialogue with the given NPC character.	2377	dialogue with the given NPC character.
1704		2378
1705	=cut	2379	=cut
		2380
		2381	our $SAY_CHANNEL = {
		2382	id => "say",
		2383	title => "Map",
		2384	reply => "say ",
		2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2386	};
		2387
		2388	our $CHAT_CHANNEL = {
		2389	id => "chat",
		2390	title => "Chat",
		2391	reply => "chat ",
		2392	tooltip => "Player chat and shouts, global to the server.",
		2393	};
1706		2394
1707	# rough implementation of a future "reply" method that works	2395	# rough implementation of a future "reply" method that works
1708	# with dialog boxes.	2396	# with dialog boxes.
1709	#TODO: the first argument must go, split into a $npc->reply_to ( method	2397	#TODO: the first argument must go, split into a $npc->reply_to ( method
1710	sub cf::object::player::reply($$$;$) {	2398	sub cf::object::player::reply($$$;$) {
…		…
1712		2400
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2401	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2402
1715	if ($self->{record_replies}) {	2403	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2404	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2405
1717	} else {	2406	} else {
		2407	my $pl = $self->contr;
		2408
		2409	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2410	my $dialog = $pl->{npc_dialog};
		2411	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2412
		2413	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2414	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2415	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2416	}
1720	}	2417	}
		2418	}
		2419
		2420	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2421
		2422	=cut
		2423
		2424	sub cf::object::send_msg {
		2425	my $pl = shift->contr
		2426	or return;
		2427	$pl->send_msg (@_);
1721	}	2428	}
1722		2429
1723	=item $player_object->may ("access")	2430	=item $player_object->may ("access")
1724		2431
1725	Returns wether the given player is authorized to access resource "access"	2432	Returns wether the given player is authorized to access resource "access"
…		…
1772	$self->deactivate_recursive;	2479	$self->deactivate_recursive;
1773		2480
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2481	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2482
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2484	if $self->map && $self->map->{path} ne "{link}";
1778		2485
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2487	}
1781		2488
1782	sub cf::object::player::leave_link {	2489	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2490	my ($self, $map, $x, $y) = @_;
		2491
		2492	return unless $self->contr->active;
1784		2493
1785	my $link_pos = delete $self->{_link_pos};	2494	my $link_pos = delete $self->{_link_pos};
1786		2495
1787	unless ($map) {	2496	unless ($map) {
1788	# restore original map position	2497	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2511	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2512	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2513	if $x <=0 && $y <= 0;
1805		2514
1806	$map->load;	2515	$map->load;
1807	$map->load_diag;	2516	$map->load_neighbours;
1808		2517
1809	return unless $self->contr->active;	2518	return unless $self->contr->active;
1810	$self->activate_recursive;	2519	$self->activate_recursive;
1811		2520
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2522	$self->enter_map ($map, $x, $y);
1814	}	2523	}
1815		2524
1816	cf::player->attach (	2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2526
1820	# abort map switching before logout	2527	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2528	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2529	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2530	the new (success) or old (failed) map position. In either case, $done will
1824	};	2531	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2532
1830	# try to abort aborted map switching on player login :)	2533	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2534	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2535
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2536	=cut
		2537
		2538	our $GOTOGEN;
1851		2539
1852	sub cf::object::player::goto {	2540	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2541	my ($self, $path, $x, $y, $check, $done) = @_;
		2542
		2543	# do generation counting so two concurrent goto's will be executed in-order
		2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2545
1855	$self->enter_link;	2546	$self->enter_link;
1856		2547
1857	(async {	2548	(async {
		2549	$Coro::current->{desc} = "player::goto $path $x $y";
		2550
		2551	# *tag paths override both path and x|y
		2552	if ($path =~ /^\*(.*)$/) {
		2553	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2554	my $ob = $obs[rand @obs];
		2555
		2556	# see if we actually can go there
		2557	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2558	$ob = $obs[rand @obs];
		2559	} else {
		2560	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2561	}
		2562	# else put us there anyways for now #d#
		2563
		2564	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2565	} else {
		2566	($path, $x, $y) = (undef, undef, undef);
		2567	}
		2568	}
		2569
1858	my $map = eval {	2570	my $map = eval {
1859	my $map = cf::map::find $path;	2571	my $map = defined $path ? cf::map::find $path : undef;
		2572
		2573	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2574	$map = $map->customise_for ($self);
		2575	$map = $check->($map) if $check && $map;
		2576	} else {
		2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579
1861	$map	2580	$map
		2581	};
		2582
		2583	if ($@) {
		2584	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2586	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2587
		2588	if ($gen == $self->{_goto_generation}) {
		2589	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2590	$self->leave_link ($map, $x, $y);
		2591	}
		2592
		2593	$done->() if $done;
1866	})->prio (1);	2594	})->prio (1);
1867	}	2595	}
1868		2596
1869	=item $player_object->enter_exit ($exit_object)	2597	=item $player_object->enter_exit ($exit_object)
1870		2598
…		…
1890	}	2618	}
1891		2619
1892	sub prepare_random_map {	2620	sub prepare_random_map {
1893	my ($exit) = @_;	2621	my ($exit) = @_;
1894		2622
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2623	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2624	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2625	# that depends on the exit object
1900		2626
1901	my $rmp = parse_random_map_params $exit->msg;	2627	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2629	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2630	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2631	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2632	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2633	$rmp->{origin_y} = $exit->y;
		2634
		2635	$exit->map->touch;
1908	}	2636	}
1909		2637
1910	$rmp->{random_seed} ||= $exit->random_seed;	2638	$rmp->{random_seed} ||= $exit->random_seed;
1911		2639
1912	my $data = cf::to_json $rmp;	2640	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2641	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2642	my $meta = "$RANDOMDIR/$md5.meta";
1915		2643
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2644	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2645	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2646	undef $fh;
1919	aio_rename "$meta~", $meta;	2647	aio_rename "$meta~", $meta;
1920		2648
		2649	my $slaying = "?random/$md5";
		2650
		2651	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2653	$exit->msg (undef);
		2654	}
1923	}	2655	}
1924	}	2656	}
1925		2657
1926	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
1928		2660
1929	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1930		2662
1931	if ($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;	2663	$self->enter_link;
1941		2664
1942	(async {	2665	(async {
1943	$self->deactivate_recursive; # just to be sure	2666	$Coro::current->{desc} = "enter_exit";
		2667
1944	unless (eval {	2668	unless (eval {
		2669	$self->deactivate_recursive; # just to be sure
		2670
		2671	# random map handling
		2672	{
		2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2674
		2675	prepare_random_map $exit
		2676	if $exit->slaying eq "/!";
		2677	}
		2678
		2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2680	my $x = $exit->stats->hp;
		2681	my $y = $exit->stats->sp;
		2682
1945	$self->goto ($slaying, $hp, $sp);	2683	$self->goto ($map, $x, $y);
1946		2684
		2685	# if exit is damned, update players death & WoR home-position
		2686	$self->contr->savebed ($map, $x, $y)
		2687	if $exit->flag (cf::FLAG_DAMNED);
		2688
1947	1;	2689	1
1948	}) {	2690	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2691	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2692	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2693	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2694	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2695
1954	warn "ERROR in enter_exit: $@";	2696	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2697	$self->leave_link;
1956	}	2698	}
1957	})->prio (1);	2699	})->prio (1);
…		…
1970		2712
1971	sub cf::client::send_drawinfo {	2713	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2714	my ($self, $text, $flags) = @_;
1973		2715
1974	utf8::encode $text;	2716	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2718	}
1977		2719
		2720	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2721
		2722	Send a drawinfo or msg packet to the client, formatting the msg for the
		2723	client if neccessary. C<$type> should be a string identifying the type of
		2724	the message, with C<log> being the default. If C<$color> is negative, suppress
		2725	the message unless the client supports the msg packet.
		2726
		2727	=cut
		2728
		2729	# non-persistent channels (usually the info channel)
		2730	our %CHANNEL = (
		2731	"c/identify" => {
		2732	id => "infobox",
		2733	title => "Identify",
		2734	reply => undef,
		2735	tooltip => "Items recently identified",
		2736	},
		2737	"c/examine" => {
		2738	id => "infobox",
		2739	title => "Examine",
		2740	reply => undef,
		2741	tooltip => "Signs and other items you examined",
		2742	},
		2743	"c/book" => {
		2744	id => "infobox",
		2745	title => "Book",
		2746	reply => undef,
		2747	tooltip => "The contents of a note or book",
		2748	},
		2749	"c/lookat" => {
		2750	id => "infobox",
		2751	title => "Look",
		2752	reply => undef,
		2753	tooltip => "What you saw there",
		2754	},
		2755	"c/who" => {
		2756	id => "infobox",
		2757	title => "Players",
		2758	reply => undef,
		2759	tooltip => "Shows players who are currently online",
		2760	},
		2761	"c/body" => {
		2762	id => "infobox",
		2763	title => "Body Parts",
		2764	reply => undef,
		2765	tooltip => "Shows which body parts you posess and are available",
		2766	},
		2767	"c/uptime" => {
		2768	id => "infobox",
		2769	title => "Uptime",
		2770	reply => undef,
		2771	tooltip => "How long the server has been running since last restart",
		2772	},
		2773	"c/mapinfo" => {
		2774	id => "infobox",
		2775	title => "Map Info",
		2776	reply => undef,
		2777	tooltip => "Information related to the maps",
		2778	},
		2779	"c/party" => {
		2780	id => "party",
		2781	title => "Party",
		2782	reply => "gsay ",
		2783	tooltip => "Messages and chat related to your party",
		2784	},
		2785	);
		2786
		2787	sub cf::client::send_msg {
		2788	my ($self, $channel, $msg, $color, @extra) = @_;
		2789
		2790	$msg = $self->pl->expand_cfpod ($msg);
		2791
		2792	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2793
		2794	# check predefined channels, for the benefit of C
		2795	if ($CHANNEL{$channel}) {
		2796	$channel = $CHANNEL{$channel};
		2797
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800
		2801	$channel = $channel->{id};
		2802
		2803	} elsif (ref $channel) {
		2804	# send meta info to client, if not yet sent
		2805	unless (exists $self->{channel}{$channel->{id}}) {
		2806	$self->{channel}{$channel->{id}} = $channel;
		2807	$self->ext_msg (channel_info => $channel)
		2808	if $self->can_msg;
		2809	}
		2810
		2811	$channel = $channel->{id};
		2812	}
		2813
		2814	return unless @extra || length $msg;
		2815
		2816	if ($self->can_msg) {
		2817	# default colour, mask it out
		2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2819	if $color & cf::NDI_DEF;
		2820
		2821	my $pkt = "msg "
		2822	. $self->{json_coder}->encode (
		2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2824	);
		2825
		2826	# try lzf for large packets
		2827	$pkt = "lzf " . Compress::LZF::compress $pkt
		2828	if 1024 <= length $pkt and $self->{can_lzf};
		2829
		2830	# split very large packets
		2831	if (8192 < length $pkt and $self->{can_lzf}) {
		2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2833	$pkt = "frag";
		2834	}
		2835
		2836	$self->send_packet ($pkt);
		2837	} else {
		2838	if ($color >= 0) {
		2839	# replace some tags by gcfclient-compatible ones
		2840	for ($msg) {
		2841	1 while
		2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2847	}
		2848
		2849	$color &= cf::NDI_COLOR_MASK;
		2850
		2851	utf8::encode $msg;
		2852
		2853	if (0 && $msg =~ /\[/) {
		2854	# COMMAND/INFO
		2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2856	} else {
		2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2858	$self->send_packet ("drawinfo $color $msg")
		2859	}
		2860	}
		2861	}
		2862	}
		2863
		2864	=item $client->ext_msg ($type, @msg)
		2865
		2866	Sends an ext event to the client.
		2867
		2868	=cut
		2869
		2870	sub cf::client::ext_msg($$@) {
		2871	my ($self, $type, @msg) = @_;
		2872
		2873	if ($self->extcmd == 2) {
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2875	} elsif ($self->extcmd == 1) { # TODO: remove
		2876	push @msg, msgtype => "event_$type";
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2878	}
		2879	}
		2880
		2881	=item $client->ext_reply ($msgid, @msg)
		2882
		2883	Sends an ext reply to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_reply($$@) {
		2888	my ($self, $id, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2892	} elsif ($self->extcmd == 1) {
		2893	#TODO: version 1, remove
		2894	unshift @msg, msgtype => "reply", msgid => $id;
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2896	}
		2897	}
1978		2898
1979	=item $success = $client->query ($flags, "text", \&cb)	2899	=item $success = $client->query ($flags, "text", \&cb)
1980		2900
1981	Queues a query to the client, calling the given callback with	2901	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>,	2902	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>.	2903	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2904
1985	Queries can fail, so check the return code. Or don't, as queries will become	2905	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2906	become reliable at some point in the future.
1987		2907
1988	=cut	2908	=cut
1989		2909
1990	sub cf::client::query {	2910	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2911	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2919	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2920	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2921
2002	$self->send_packet ($self->{query_queue}[0][0])	2922	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2923	if @{ $self->{query_queue} } == 1;
		2924
		2925	1
2004	}	2926	}
2005		2927
2006	cf::client->attach (	2928	cf::client->attach (
		2929	on_connect => sub {
		2930	my ($ns) = @_;
		2931
		2932	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2933	},
2007	on_reply => sub {	2934	on_reply => sub {
2008	my ($ns, $msg) = @_;	2935	my ($ns, $msg) = @_;
2009		2936
2010	# this weird shuffling is so that direct followup queries	2937	# this weird shuffling is so that direct followup queries
2011	# get handled first	2938	# get handled first
…		…
2023	} else {	2950	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2951	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2952	}
2026	}	2953	}
2027	},	2954	},
		2955	on_exticmd => sub {
		2956	my ($ns, $buf) = @_;
		2957
		2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2959
		2960	if (ref $msg) {
		2961	my ($type, $reply, @payload) =
		2962	"ARRAY" eq ref $msg
		2963	? @$msg
		2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2965
		2966	my @reply;
		2967
		2968	if (my $cb = $EXTICMD{$type}) {
		2969	@reply = $cb->($ns, @payload);
		2970	}
		2971
		2972	$ns->ext_reply ($reply, @reply)
		2973	if $reply;
		2974
		2975	} else {
		2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2977	}
		2978
		2979	cf::override;
		2980	},
2028	);	2981	);
2029		2982
2030	=item $client->async (\&cb)	2983	=item $client->async (\&cb)
2031		2984
2032	Create a new coroutine, running the specified callback. The coroutine will	2985	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3026	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3027	our $safe_hole = new Safe::Hole;
2075		3028
2076	$SIG{FPE} = 'IGNORE';	3029	$SIG{FPE} = 'IGNORE';
2077		3030
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3031	$safe->permit_only (Opcode::opset qw(
		3032	:base_core :base_mem :base_orig :base_math
		3033	grepstart grepwhile mapstart mapwhile
		3034	sort time
		3035	));
2079		3036
2080	# here we export the classes and methods available to script code	3037	# here we export the classes and methods available to script code
2081		3038
2082	=pod	3039	=pod
2083		3040
2084	The following fucntions and emthods are available within a safe environment:	3041	The following functions and methods are available within a safe environment:
2085		3042
2086	cf::object contr pay_amount pay_player map	3043	cf::object
		3044	contr pay_amount pay_player map x y force_find force_add destroy
		3045	insert remove name archname title slaying race decrease split
		3046
2087	cf::object::player player	3047	cf::object::player
2088	cf::player peaceful	3048	player
2089	cf::map trigger	3049
		3050	cf::player
		3051	peaceful
		3052
		3053	cf::map
		3054	trigger
2090		3055
2091	=cut	3056	=cut
2092		3057
2093	for (	3058	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3060	insert remove inv nrof name archname title slaying race
		3061	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3062	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3063	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3064	["cf::map" => qw(trigger)],
2098	) {	3065	) {
2099	no strict 'refs';	3066	no strict 'refs';
…		…
2170	=back	3137	=back
2171		3138
2172	=cut	3139	=cut
2173		3140
2174	#############################################################################	3141	#############################################################################
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 $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	3142	# the server's init and main functions
2248		3143
2249	sub init_resources {	3144	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3145	my ($path) = @_;
		3146
		3147	# HACK to clear player env face cache, we need some signal framework
		3148	# for this (global event?)
		3149	%ext::player_env::MUSIC_FACE_CACHE = ();
		3150
		3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3152
		3153	warn "loading facedata from $path\n";
		3154
		3155	my $facedata;
		3156	0 < aio_load $path, $facedata
		3157	or die "$path: $!";
		3158
		3159	$facedata = Coro::Storable::thaw $facedata;
		3160
		3161	$facedata->{version} == 2
		3162	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3163
		3164	# patch in the exptable
		3165	$facedata->{resource}{"res/exp_table"} = {
		3166	type => FT_RSRC,
		3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3168	};
		3169	cf::cede_to_tick;
		3170
		3171	{
		3172	my $faces = $facedata->{faceinfo};
		3173
		3174	while (my ($face, $info) = each %$faces) {
		3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3176
		3177	cf::face::set_visibility $idx, $info->{visibility};
		3178	cf::face::set_magicmap $idx, $info->{magicmap};
		3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3181
		3182	cf::cede_to_tick;
		3183	}
		3184
		3185	while (my ($face, $info) = each %$faces) {
		3186	next unless $info->{smooth};
		3187
		3188	my $idx = cf::face::find $face
		3189	or next;
		3190
		3191	if (my $smooth = cf::face::find $info->{smooth}) {
		3192	cf::face::set_smooth $idx, $smooth;
		3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3194	} else {
		3195	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3196	}
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200	}
		3201
		3202	{
		3203	my $anims = $facedata->{animinfo};
		3204
		3205	while (my ($anim, $info) = each %$anims) {
		3206	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	cf::anim::invalidate_all; # d'oh
		3211	}
		3212
		3213	{
		3214	# TODO: for gcfclient pleasure, we should give resources
		3215	# that gcfclient doesn't grok a >10000 face index.
		3216	my $res = $facedata->{resource};
		3217
		3218	while (my ($name, $info) = each %$res) {
		3219	if (defined $info->{type}) {
		3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3221	my $data;
		3222
		3223	if ($info->{type} & 1) {
		3224	# prepend meta info
		3225
		3226	my $meta = $enc->encode ({
		3227	name => $name,
		3228	%{ $info->{meta} || {} },
		3229	});
		3230
		3231	$data = pack "(w/a*)*", $meta, $info->{data};
		3232	} else {
		3233	$data = $info->{data};
		3234	}
		3235
		3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3237	cf::face::set_type $idx, $info->{type};
		3238	} else {
		3239	$RESOURCE{$name} = $info;
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3247
		3248	1
		3249	}
		3250
		3251	cf::global->attach (on_resource_update => sub {
		3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3254
		3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3256	my $sound = $soundconf->{compat}[$_]
		3257	or next;
		3258
		3259	my $face = cf::face::find "sound/$sound->[1]";
		3260	cf::sound::set $sound->[0] => $face;
		3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3262	}
		3263
		3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3265	my $face = cf::face::find "sound/$v";
		3266	cf::sound::set $k => $face;
		3267	}
		3268	}
		3269	});
		3270
		3271	register_exticmd fx_want => sub {
		3272	my ($ns, $want) = @_;
		3273
		3274	while (my ($k, $v) = each %$want) {
		3275	$ns->fx_want ($k, $v);
		3276	}
		3277	};
		3278
		3279	sub load_resource_file($) {
		3280	my $guard = lock_acquire "load_resource_file";
		3281
		3282	my $status = load_resource_file_ $_[0];
		3283	get_slot 0.1, 100;
		3284	cf::arch::commit_load;
		3285
		3286	$status
		3287	}
		3288
		3289	sub reload_regions {
		3290	# HACK to clear player env face cache, we need some signal framework
		3291	# for this (global event?)
		3292	%ext::player_env::MUSIC_FACE_CACHE = ();
		3293
		3294	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3295	or die "unable to load regions file\n";
2252	}
2253		3296
2254	sub cfg_load {	3297	for (cf::region::list) {
		3298	$_->{match} = qr/$_->{match}/
		3299	if exists $_->{match};
		3300	}
		3301	}
		3302
		3303	sub reload_facedata {
		3304	load_facedata "$DATADIR/facedata"
		3305	or die "unable to load facedata\n";
		3306	}
		3307
		3308	sub reload_archetypes {
		3309	load_resource_file "$DATADIR/archetypes"
		3310	or die "unable to load archetypes\n";
		3311	}
		3312
		3313	sub reload_treasures {
		3314	load_resource_file "$DATADIR/treasures"
		3315	or die "unable to load treasurelists\n";
		3316	}
		3317
		3318	sub reload_resources {
		3319	warn "reloading resource files...\n";
		3320
		3321	reload_facedata;
		3322	reload_archetypes;
		3323	reload_regions;
		3324	reload_treasures;
		3325
		3326	warn "finished reloading resource files\n";
		3327	}
		3328
		3329	sub init {
		3330	my $guard = freeze_mainloop;
		3331
		3332	evthread_start IO::AIO::poll_fileno;
		3333
		3334	reload_resources;
		3335	}
		3336
		3337	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3338	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3339	or return;
2257		3340
2258	local $/;	3341	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3342	*CFG = YAML::Load <$fh>;
2260		3343
2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2262		3345
2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2270	};	3353	};
2271	warn $@ if $@;	3354	warn $@ if $@;
2272	}	3355	}
2273	}	3356	}
2274		3357
2275	sub init {
2276	init_resources;
2277	}
2278
2279	sub main {	3358	sub main {
2280	# we must not ever block the main coroutine	3359	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3360	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3362	(async {
2284	Event::one_event;	3363	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3364	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3365	})->prio (Coro::PRIO_MAX);
2286	};	3366	};
2287		3367
2288	cfg_load;	3368	{
		3369	my $guard = freeze_mainloop;
		3370	reload_config;
2289	db_init;	3371	db_init;
2290	load_extensions;	3372	load_extensions;
2291		3373
2292	$TICK_WATCHER->start;	3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3375	}
		3376
2293	Event::loop;	3377	EV::loop;
2294	}	3378	}
2295		3379
2296	#############################################################################	3380	#############################################################################
2297	# initialisation and cleanup	3381	# initialisation and cleanup
2298		3382
2299	# install some emergency cleanup handlers	3383	# install some emergency cleanup handlers
2300	BEGIN {	3384	BEGIN {
		3385	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3386	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3388	cf::cleanup "SIG$signal";
2309	},
2310	);	3389	};
		3390	}
		3391	}
		3392
		3393	sub write_runtime_sync {
		3394	my $runtime = "$LOCALDIR/runtime";
		3395
		3396	# first touch the runtime file to show we are still running:
		3397	# the fsync below can take a very very long time.
		3398
		3399	IO::AIO::aio_utime $runtime, undef, undef;
		3400
		3401	my $guard = cf::lock_acquire "write_runtime";
		3402
		3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3404	or return;
		3405
		3406	my $value = $cf::RUNTIME + 90 + 10;
		3407	# 10 is the runtime save interval, for a monotonic clock
		3408	# 60 allows for the watchdog to kill the server.
		3409
		3410	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3411	and return;
		3412
		3413	# always fsync - this file is important
		3414	aio_fsync $fh
		3415	and return;
		3416
		3417	# touch it again to show we are up-to-date
		3418	aio_utime $fh, undef, undef;
		3419
		3420	close $fh
		3421	or return;
		3422
		3423	aio_rename "$runtime~", $runtime
		3424	and return;
		3425
		3426	warn "runtime file written.\n";
		3427
2311	}	3428	1
		3429	}
		3430
		3431	our $uuid_lock;
		3432	our $uuid_skip;
		3433
		3434	sub write_uuid_sync($) {
		3435	$uuid_skip ||= $_[0];
		3436
		3437	return if $uuid_lock;
		3438	local $uuid_lock = 1;
		3439
		3440	my $uuid = "$LOCALDIR/uuid";
		3441
		3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3443	or return;
		3444
		3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3446	$uuid_skip = 0;
		3447
		3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3449	and return;
		3450
		3451	# always fsync - this file is important
		3452	aio_fsync $fh
		3453	and return;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$uuid~", $uuid
		3459	and return;
		3460
		3461	warn "uuid file written ($value).\n";
		3462
		3463	1
		3464
		3465	}
		3466
		3467	sub write_uuid($$) {
		3468	my ($skip, $sync) = @_;
		3469
		3470	$sync ? write_uuid_sync $skip
		3471	: async { write_uuid_sync $skip };
2312	}	3472	}
2313		3473
2314	sub emergency_save() {	3474	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3475	my $freeze_guard = cf::freeze_mainloop;
2316		3476
…		…
2322	# and maps saved/destroyed asynchronously.	3482	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3483	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3484	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3485	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3486	$pl->valid or next;
		3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3488	$pl->save;
2328	}	3489	}
2329	warn "end emergency player save\n";	3490	warn "end emergency player save\n";
2330		3491
2331	warn "begin emergency map save\n";	3492	warn "begin emergency map save\n";
…		…
2337	warn "end emergency map save\n";	3498	warn "end emergency map save\n";
2338		3499
2339	warn "begin emergency database checkpoint\n";	3500	warn "begin emergency database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3501	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3502	warn "end emergency database checkpoint\n";
		3503
		3504	warn "begin write uuid\n";
		3505	write_uuid_sync 1;
		3506	warn "end write uuid\n";
2342	};	3507	};
2343		3508
2344	warn "leave emergency perl save\n";	3509	warn "leave emergency perl save\n";
2345	}	3510	}
2346		3511
…		…
2349		3514
2350	warn Carp::longmess "post_cleanup backtrace"	3515	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3516	if $make_core;
2352	}	3517	}
2353		3518
		3519	# a safer delete_package, copied from Symbol
		3520	sub clear_package($) {
		3521	my $pkg = shift;
		3522
		3523	# expand to full symbol table name if needed
		3524	unless ($pkg =~ /^main::.*::$/) {
		3525	$pkg = "main$pkg" if $pkg =~ /^::/;
		3526	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3527	$pkg .= '::' unless $pkg =~ /::$/;
		3528	}
		3529
		3530	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3531	my $stem_symtab = *{$stem}{HASH};
		3532
		3533	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3534	or return;
		3535
		3536	# clear all symbols
		3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3538	for my $name (keys %$leaf_symtab) {
		3539	_gv_clear *{"$pkg$name"};
		3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3541	}
		3542	warn "cleared package #$pkg\n";#d#
		3543	}
		3544
		3545	our $RELOAD; # how many times to reload
		3546
2354	sub reload() {	3547	sub do_reload_perl() {
2355	# can/must only be called in main	3548	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3549	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3550	warn "can only reload from main coroutine";
2358	return;	3551	return;
2359	}	3552	}
2360		3553
		3554	return if $RELOAD++;
		3555
		3556	while ($RELOAD) {
2361	warn "reloading...";	3557	warn "reloading...";
2362		3558
2363	warn "entering sync_job";	3559	warn "entering sync_job";
2364		3560
2365	cf::sync_job {	3561	cf::sync_job {
2366	cf::write_runtime; # external watchdog should not bark	3562	cf::write_runtime_sync; # external watchdog should not bark
2367	cf::emergency_save;	3563	cf::emergency_save;
2368	cf::write_runtime; # external watchdog should not bark	3564	cf::write_runtime_sync; # external watchdog should not bark
2369		3565
2370	warn "syncing database to disk";	3566	warn "syncing database to disk";
2371	BDB::db_env_txn_checkpoint $DB_ENV;	3567	BDB::db_env_txn_checkpoint $DB_ENV;
2372		3568
2373	# if anything goes wrong in here, we should simply crash as we already saved	3569	# if anything goes wrong in here, we should simply crash as we already saved
2374		3570
2375	warn "cancelling all WF_AUTOCANCEL watchers";
2376	for (Event::all_watchers) {
2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2378	}
2379
2380	warn "flushing outstanding aio requests";	3571	warn "flushing outstanding aio requests";
2381	for (;;) {
2382	BDB::flush;
2383	IO::AIO::flush;
2384	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3572	while (IO::AIO::nreqs || BDB::nreqs) {
2386	warn "iterate...";	3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	}
2388
2389	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();
2392
2393	warn "removing commands";
2394	%COMMAND = ();
2395
2396	warn "removing ext commands";
2397	%EXTCMD = ();
2398
2399	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";
2402
2403	if (my $cb = $pkg->can ("unload")) {
2404	eval {
2405	$cb->($pkg);
2406	1
2407	} or warn "$pkg unloaded, but with errors: $@";
2408	}	3574	}
2409		3575
2410	warn "... nuking $pkg";	3576	warn "cancelling all extension coros";
2411	Symbol::delete_package $pkg;	3577	$_->cancel for values %EXT_CORO;
2412	}	3578	%EXT_CORO = ();
2413		3579
2414	warn "unloading all perl modules loaded from $LIBDIR";	3580	warn "removing commands";
2415	while (my ($k, $v) = each %INC) {	3581	%COMMAND = ();
2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2417		3582
		3583	warn "removing ext/exti commands";
		3584	%EXTCMD = ();
		3585	%EXTICMD = ();
		3586
		3587	warn "unloading/nuking all extensions";
		3588	for my $pkg (@EXTS) {
2418	warn "... unloading $k";	3589	warn "... unloading $pkg";
2419	delete $INC{$k};
2420		3590
2421	$k =~ s/\.pm$//;
2422	$k =~ s/\//::/g;
2423
2424	if (my $cb = $k->can ("unload_module")) {	3591	if (my $cb = $pkg->can ("unload")) {
		3592	eval {
2425	$cb->();	3593	$cb->($pkg);
		3594	1
		3595	} or warn "$pkg unloaded, but with errors: $@";
		3596	}
		3597
		3598	warn "... clearing $pkg";
		3599	clear_package $pkg;
2426	}	3600	}
2427		3601
2428	Symbol::delete_package $k;	3602	warn "unloading all perl modules loaded from $LIBDIR";
		3603	while (my ($k, $v) = each %INC) {
		3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3605
		3606	warn "... unloading $k";
		3607	delete $INC{$k};
		3608
		3609	$k =~ s/\.pm$//;
		3610	$k =~ s/\//::/g;
		3611
		3612	if (my $cb = $k->can ("unload_module")) {
		3613	$cb->();
		3614	}
		3615
		3616	clear_package $k;
2429	}	3617	}
2430		3618
2431	warn "getting rid of safe::, as good as possible";	3619	warn "getting rid of safe::, as good as possible";
2432	Symbol::delete_package "safe::$_"	3620	clear_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3622
2435	warn "unloading cf.pm \"a bit\"";	3623	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3624	delete $INC{"cf.pm"};
		3625	delete $INC{"cf/pod.pm"};
2437		3626
2438	# don't, removes xs symbols, too,	3627	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3628	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3629	#clear_package __PACKAGE__;
2441		3630
2442	warn "unload completed, starting to reload now";	3631	warn "unload completed, starting to reload now";
2443		3632
2444	warn "reloading cf.pm";	3633	warn "reloading cf.pm";
2445	require cf;	3634	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3636
2448	warn "loading config and database again";	3637	warn "loading config and database again";
2449	cf::cfg_load;	3638	cf::reload_config;
2450		3639
2451	warn "loading extensions";	3640	warn "loading extensions";
2452	cf::load_extensions;	3641	cf::load_extensions;
2453		3642
2454	warn "reattaching attachments to objects/players";	3643	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3644	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3645	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3646	reattach $_ for values %MAP;
		3647	warn "reattaching attachments to players";
		3648	reattach $_ for values %PLAYER;
2458		3649
2459	warn "loading reloadable resources";
2460	init_resources;
2461
2462	warn "leaving sync_job";	3650	warn "leaving sync_job";
2463		3651
2464	1	3652	1
2465	} or do {	3653	} or do {
2466	warn $@;	3654	warn $@;
2467	warn "error while reloading, exiting.";	3655	cf::cleanup "error while reloading, exiting.";
2468	exit 1;	3656	};
		3657
		3658	warn "reloaded";
		3659	--$RELOAD;
		3660	}
		3661	};
		3662
		3663	our $RELOAD_WATCHER; # used only during reload
		3664
		3665	sub reload_perl() {
		3666	# doing reload synchronously and two reloads happen back-to-back,
		3667	# coro crashes during coro_state_free->destroy here.
		3668
		3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3670	do_reload_perl;
		3671	undef $RELOAD_WATCHER;
2469	};	3672	};
2470		3673	}
2471	warn "reloaded";
2472	};
2473
2474	our $RELOAD_WATCHER; # used only during reload
2475		3674
2476	register_command "reload" => sub {	3675	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2478		3677
2479	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
2481		3680	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3681	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3682	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3683	};
2494	}	3684	}
2495	};	3685	};
2496		3686
2497	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2498		3688
2499	my $bug_warning = 0;	3689	my $bug_warning = 0;
2500		3690
2501	$TICK_WATCHER = Event->timer (	3691	our @WAIT_FOR_TICK;
2502	reentrant => 0,	3692	our @WAIT_FOR_TICK_BEGIN;
2503	parked => 1,	3693
2504	prio => 0,	3694	sub wait_for_tick {
2505	at => $NEXT_TICK || $TICK,	3695	return if tick_inhibit || $Coro::current == $Coro::main;
2506	data => WF_AUTOCANCEL,	3696
2507	cb => sub {	3697	my $signal = new Coro::Signal;
		3698	push @WAIT_FOR_TICK, $signal;
		3699	$signal->wait;
		3700	}
		3701
		3702	sub wait_for_tick_begin {
		3703	return if tick_inhibit || $Coro::current == $Coro::main;
		3704
		3705	my $signal = new Coro::Signal;
		3706	push @WAIT_FOR_TICK_BEGIN, $signal;
		3707	$signal->wait;
		3708	}
		3709
		3710	sub tick {
2508	if ($Coro::current != $Coro::main) {	3711	if ($Coro::current != $Coro::main) {
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3713	unless ++$bug_warning > 10;
2511	return;	3714	return;
2512	}	3715	}
2513		3716
2514	$NOW = Event::time;
2515
2516	cf::server_tick; # one server iteration	3717	cf::server_tick; # one server iteration
2517	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;
2519		3718
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522	Coro::async_pool {	3721	Coro::async_pool {
		3722	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3723	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3724	or warn "ERROR: unable to write runtime file: $!";
2525	};
2526	}	3725	};
2527
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	3726	}
2540	);	3727
		3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3729	$sig->send;
		3730	}
		3731	while (my $sig = shift @WAIT_FOR_TICK) {
		3732	$sig->send;
		3733	}
		3734
		3735	$LOAD = ($NOW - $TICK_START) / $TICK;
		3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3737
		3738	if (0) {
		3739	if ($NEXT_TICK) {
		3740	my $jitter = $TICK_START - $NEXT_TICK;
		3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3742	warn "jitter $JITTER\n";#d#
		3743	}
		3744	}
		3745	}
2541		3746
2542	{	3747	{
2543	BDB::max_poll_time $TICK * 0.1;	3748	# configure BDB
2544	$BDB_POLL_WATCHER = Event->io (	3749
2545	reentrant => 0,
2546	fd => BDB::poll_fileno,
2547	poll => 'r',
2548	prio => 0,
2549	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,
2551	);
2552	BDB::min_parallel 8;	3750	BDB::min_parallel 8;
2553		3751	BDB::max_poll_reqs $TICK * 0.1;
2554	BDB::set_sync_prepare {	3752	$AnyEvent::BDB::WATCHER->priority (1);
2555	my $status;
2556	my $current = $Coro::current;
2557	(
2558	sub {
2559	$status = $!;
2560	$current->ready; undef $current;
2561	},
2562	sub {
2563	Coro::schedule while defined $current;
2564	$! = $status;
2565	},
2566	)
2567	};
2568		3753
2569	unless ($DB_ENV) {	3754	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3755	$DB_ENV = BDB::db_env_create;
		3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3758	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3759	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3760	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3761
2572	cf::sync_job {	3762	cf::sync_job {
2573	eval {	3763	eval {
2574	BDB::db_env_open	3764	BDB::db_env_open
2575	$DB_ENV,	3765	$DB_ENV,
2576	$BDB_ENV_DIR,	3766	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3767	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3768	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3769	0666;
2580		3770
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3771	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3772	};
2586		3773
2587	cf::cleanup "db_env_open(db): $@" if $@;	3774	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3775	};
2589	}	3776	}
		3777
		3778	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3779	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3780	};
		3781	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3783	};
		3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3786	};
2590	}	3787	}
2591		3788
2592	{	3789	{
		3790	# configure IO::AIO
		3791
2593	IO::AIO::min_parallel 8;	3792	IO::AIO::min_parallel 8;
2594
2595	undef $Coro::AIO::WATCHER;
2596	IO::AIO::max_poll_time $TICK * 0.1;	3793	IO::AIO::max_poll_time $TICK * 0.1;
2597	$AIO_POLL_WATCHER = Event->io (	3794	undef $AnyEvent::AIO::WATCHER;
2598	reentrant => 0,
2599	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	cb => \&IO::AIO::poll_cb,
2604	);
2605	}	3795	}
		3796
		3797	my $_log_backtrace;
		3798
		3799	sub _log_backtrace {
		3800	my ($msg, @addr) = @_;
		3801
		3802	$msg =~ s/\n//;
		3803
		3804	# limit the # of concurrent backtraces
		3805	if ($_log_backtrace < 2) {
		3806	++$_log_backtrace;
		3807	async {
		3808	$Coro::current->{desc} = "abt $msg";
		3809
		3810	my @bt = fork_call {
		3811	@addr = map { sprintf "%x", $_ } @addr;
		3812	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3813	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3814	or die "addr2line: $!";
		3815
		3816	my @funcs;
		3817	my @res = <$fh>;
		3818	chomp for @res;
		3819	while (@res) {
		3820	my ($func, $line) = splice @res, 0, 2, ();
		3821	push @funcs, "[$func] $line";
		3822	}
		3823
		3824	@funcs
		3825	};
		3826
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] $_\n" for @bt;
		3829	--$_log_backtrace;
		3830	};
		3831	} else {
		3832	LOG llevInfo, "[ABT] $msg\n";
		3833	LOG llevInfo, "[ABT] [suppressed]\n";
		3834	}
		3835	}
		3836
		3837	# load additional modules
		3838	use cf::pod;
2606		3839
2607	END { cf::emergency_save }	3840	END { cf::emergency_save }
2608		3841
2609	1	3842	1
2610		3843

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