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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 2009 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 qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;	56	use Digest::MD5;
25	use Fcntl;	57	use Fcntl;
26	use YAML::Syck ();	58	use YAML ();
27	use IO::AIO 2.32 ();	59	use IO::AIO ();
28	use Time::HiRes;	60	use Time::HiRes;
29	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
30		65
31	# configure various modules to our taste	66	# configure various modules to our taste
32	#	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		76
36	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
37		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		79
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		81
45	our %COMMAND = ();	82	our %COMMAND = ();
46	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
47		84
48	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
52		90
53	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	92	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
56		95
57	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	97	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	114	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
67		123
68	our %CFG;	124	our %CFG;
69		125
70	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
72		129
73	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		133
82	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
		146
85	binmode STDOUT;	147	binmode STDOUT;
86	binmode STDERR;	148	binmode STDERR;
87		149
88	# read virtual server time, if available	150	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
93	}	155	}
94		156
95	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	158
97	mkdir cf::localdir . "/" . cf::tmpdir;	159	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		161
102	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
103		163
104	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
105		173
106	#############################################################################	174	#############################################################################
107		175
108	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
109		177
…		…
116	=item $cf::RUNTIME	184	=item $cf::RUNTIME
117		185
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	186	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	187	every server tick.
120		188
121	=item $cf::LIBDIR	189	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		190	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		191	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		192
123	The perl library directory, where extensions and cf-specific modules can	193	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	194	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		195	unique-items directory, player file directory, random maps directory and
		196	database environment.
125		197
126	=item $cf::NOW	198	=item $cf::NOW
127		199
128	The time of the last (current) server tick.	200	The time of the last (current) server tick.
129		201
130	=item $cf::TICK	202	=item $cf::TICK
131		203
132	The interval between server ticks, in seconds.	204	The interval between server ticks, in seconds.
133		205
		206	=item $cf::LOADAVG
		207
		208	The current CPU load on the server (alpha-smoothed), as a value between 0
		209	(none) and 1 (overloaded), indicating how much time is spent on processing
		210	objects per tick. Healthy values are < 0.5.
		211
		212	=item $cf::LOAD
		213
		214	The raw value load value from the last tick.
		215
134	=item %cf::CFG	216	=item %cf::CFG
135		217
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	219	from wherever your confdir points to.
138		220
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		222
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	224	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	225	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	226
		227	=item @cf::INVOKE_RESULTS
		228
		229	This array contains the results of the last C<invoke ()> call. When
		230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		231	that call.
		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
145		238
146	=back	239	=back
147		240
148	=cut	241	=cut
149		242
150	BEGIN {	243	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	244	my $msg = join "", @_;
153	utf8::encode $msg;
154		245
155	$msg .= "\n"	246	$msg .= "\n"
156	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
157		248
		249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		250
158	LOG llevError, $msg;	251	LOG llevError, $msg;
159	};	252	};
160	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
161		267
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	272	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		273	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	274	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		275
169	# we bless all objects into (empty) derived classes to force a method lookup	276	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	277	# within the Safe compartment.
171	for my $pkg (qw(	278	for my $pkg (qw(
172	cf::global cf::attachable	279	cf::global cf::attachable
173	cf::object cf::object::player	280	cf::object cf::object::player
174	cf::client cf::player	281	cf::client cf::player
175	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
176	cf::map cf::party cf::region	284	cf::party cf::region
177	)) {	285	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	287	}
181		288
182	$Event::DIED = sub {	289	$EV::DIED = sub {
183	warn "error in event callback: @_";	290	warn "error in event callback: @_";
184	};	291	};
		292
		293	#############################################################################
185		294
186	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
187		296
188	=over 4	297	=over 4
189		298
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	318	$d
210	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
211	}	320	}
212		321
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
216		323
217	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
218		325
219	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
220		327
221	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
222		329
		330	=cut
		331
		332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		333
		334	sub encode_json($) { $json_coder->encode ($_[0]) }
		335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
		349	}
		350
223	=item cf::lock_wait $string	351	=item cf::lock_wait $string
224		352
225	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
226		354
227	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
228		356
229	Wait until the given lock is available and then acquires it and returns	357	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	358	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
232	returned.	360	returned.
233		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
234	Lock names should begin with a unique identifier (for example, cf::map::find	365	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
236		367
237	=cut	368	=item $locked = cf::lock_active $string
238		369
239	our %LOCK;	370	Return true if the lock is currently active, i.e. somebody has locked it.
		371
		372	=cut
		373
		374	our $LOCKS = new Coro::SemaphoreSet;
240		375
241	sub lock_wait($) {	376	sub lock_wait($) {
242	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	378	}
250		379
251	sub lock_acquire($) {	380	sub lock_acquire($) {
252	my ($key) = @_;	381	$LOCKS->guard ($_[0])
		382	}
253		383
254	# wait, to be sure we are not locked	384	sub lock_active($) {
255	lock_wait $key;	385	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	386	}
264		387
265	sub freeze_mainloop {	388	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
267		390
268	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	392	}
		393
		394	=item cf::periodic $interval, $cb
		395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
		407	}
		408
		409	=item cf::get_slot $time[, $priority[, $name]]
		410
		411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		412	This call blocks and returns only when you have at least C<$time> seconds
		413	of cpu time till the next tick. The slot is only valid till the next cede.
		414
		415	The optional C<$name> can be used to identify the job to run. It might be
		416	used for statistical purposes and should identify the same time-class.
		417
		418	Useful for short background jobs.
		419
		420	=cut
		421
		422	our @SLOT_QUEUE;
		423	our $SLOT_QUEUE;
		424
		425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		426	$SLOT_QUEUE = Coro::async {
		427	$Coro::current->desc ("timeslot manager");
		428
		429	my $signal = new Coro::Signal;
		430
		431	while () {
		432	next_job:
		433	my $avail = cf::till_tick;
		434	if ($avail > 0.01) {
		435	for (0 .. $#SLOT_QUEUE) {
		436	if ($SLOT_QUEUE[$_][0] < $avail) {
		437	my $job = splice @SLOT_QUEUE, $_, 1, ();
		438	$job->[2]->send;
		439	Coro::cede;
		440	goto next_job;
		441	}
		442	}
		443	}
		444
		445	if (@SLOT_QUEUE) {
		446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		447	push @cf::WAIT_FOR_TICK, $signal;
		448	$signal->wait;
		449	} else {
		450	Coro::schedule;
		451	}
270	};	452	}
271	$TICK_WATCHER->stop;	453	};
272	$guard	454
		455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
		458	my ($time, $pri, $name) = @_;
		459
		460	$time = $TICK * .6 if $time > $TICK * .6;
		461	my $sig = new Coro::Signal;
		462
		463	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		464	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		465	$SLOT_QUEUE->ready;
		466	$sig->wait;
273	}	467	}
274		468
275	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
276		470
277	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		476
283	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
284		478
285	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
286		480
287	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
290		485
291	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
294	fast or be very important.	489	fast or be very important.
…		…
297		492
298	sub sync_job(&) {	493	sub sync_job(&) {
299	my ($job) = @_;	494	my ($job) = @_;
300		495
301	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
		497	my $time = EV::time;
		498
302	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
304		501
305	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	503
307	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
308		505
309	my $busy = 1;	506	my $busy = 1;
310	my @res;	507	my @res;
311		508
312	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	511	@res = eval { $job->() };
314	warn $@ if $@;	512	warn $@ if $@;
315	undef $busy;	513	undef $busy;
316	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
317		515
318	while ($busy) {	516	while ($busy) {
319	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
320	}	521	}
		522	}
		523
		524	my $time = EV::time - $time;
		525
		526	$TICK_START += $time; # do not account sync jobs to server load
321		527
322	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
323	} else {	529	} else {
324	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
325		531
…		…
345	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
346		552
347	$coro	553	$coro
348	}	554	}
349		555
350	sub write_runtime {	556	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		557
353	my $runtime = cf::localdir . "/runtime";	558	Executes the given code block with the given arguments in a seperate
		559	process, returning the results. Everything must be serialisable with
		560	Coro::Storable. May, of course, block. Note that the executed sub may
		561	never block itself or use any form of event handling.
354		562
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	=cut
356	or return;
357		564
358	my $value = $cf::RUNTIME + 90 + 10;	565	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	566	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		567
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	568	# we seemingly have to make a local copy of the whole thing,
363	and return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
364		571
365	# always fsync - this file is important	572	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	573	reset_signals;
367	and return;	574	&$cb
		575	}, @args;
368		576
369	close $fh	577	wantarray ? @res : $res[-1]
370	or return;	578	}
371		579
372	aio_rename "$runtime~", $runtime	580	=item $coin = coin_from_name $name
373	and return;
374		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
		605	}
		606
		607	=item $value = cf::db_get $family => $key
		608
		609	Returns a single value from the environment database.
		610
		611	=item cf::db_put $family => $key => $value
		612
		613	Stores the given C<$value> in the family. It can currently store binary
		614	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		615
		616	=item $db = cf::db_table "name"
		617
		618	Create and/or open a new database table. The string must not be "db" and must be unique
		619	within each server.
		620
		621	=cut
		622
		623	sub db_table($) {
		624	my ($name) = @_;
		625	my $db = BDB::db_create $DB_ENV;
		626
		627	eval {
		628	$db->set_flags (BDB::CHKSUM);
		629
		630	utf8::encode $name;
		631	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		632	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		633	cf::cleanup "db_open(db): $!" if $!;
		634	};
		635	cf::cleanup "db_open(db): $@" if $@;
		636
		637	$db
		638	}
		639
		640	our $DB;
		641
		642	sub db_init {
		643	cf::sync_job {
		644	$DB ||= db_table "db";
		645	};
		646	}
		647
		648	sub db_get($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
375	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		660	BDB::dbreq_pri 4;
		661	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		662	}
		663
		664	=item cf::cache $id => [$paths...], $processversion => $process
		665
		666	Generic caching function that returns the value of the resource $id,
		667	caching and regenerating as required.
		668
		669	This function can block.
		670
		671	=cut
		672
		673	sub cache {
		674	my ($id, $src, $processversion, $process) = @_;
		675
		676	my $meta =
		677	join "\x00",
		678	$processversion,
		679	map {
		680	aio_stat $_
		681	and Carp::croak "$_: $!";
		682
		683	($_, (stat _)[7,9])
		684	} @$src;
		685
		686	my $dbmeta = db_get cache => "$id/meta";
		687	if ($dbmeta ne $meta) {
		688	# changed, we may need to process
		689
		690	my @data;
		691	my $md5;
		692
		693	for (0 .. $#$src) {
		694	0 <= aio_load $src->[$_], $data[$_]
		695	or Carp::croak "$src->[$_]: $!";
		696	}
		697
		698	# if processing is expensive, check
		699	# checksum first
		700	if (1) {
		701	$md5 =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	cf::cede_to_tick;
		706	($src->[$_], Digest::MD5::md5_hex $data[$_])
		707	} 0.. $#$src;
		708
		709
		710	my $dbmd5 = db_get cache => "$id/md5";
		711	if ($dbmd5 eq $md5) {
		712	db_put cache => "$id/meta", $meta;
		713
		714	return db_get cache => "$id/data";
		715	}
		716	}
		717
		718	my $t1 = Time::HiRes::time;
		719	my $data = $process->(\@data);
		720	my $t2 = Time::HiRes::time;
		721
		722	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		723
		724	db_put cache => "$id/data", $data;
		725	db_put cache => "$id/md5" , $md5;
		726	db_put cache => "$id/meta", $meta;
		727
		728	return $data;
		729	}
		730
		731	db_get cache => "$id/data"
376	}	732	}
377		733
378	=item cf::datalog type => key => value, ...	734	=item cf::datalog type => key => value, ...
379		735
380	Log a datalog packet of the given type with the given key-value pairs.	736	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		748
393	#############################################################################	749	#############################################################################
394		750
395	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
396		752
397	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
400		756
401	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	759	Deliantra).
404		760
405	=over 4	761	=over 4
406		762
407	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
408		764
…		…
452	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
453		809
454	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
456		812
457	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
459		815
460	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
461		817
462	=over 4	818	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
572		928
573	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		933
578	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	935	my $pkg = shift @arg;
580		936
581	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
611	}	967	}
612		968
613	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
614	} else {	970	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	972	}
617		973
618	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
619	}	975	}
620		976
…		…
622	if (ref $_[0]) {	978	if (ref $_[0]) {
623	_object_attach @_;	979	_object_attach @_;
624	} else {	980	} else {
625	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
626	}	982	}
		983	_recalc_want;
627	};	984	};
628		985
629	# all those should be optimised	986	# all those should be optimised
630	sub cf::attachable::detach {	987	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
635	reattach ($obj);	992	reattach ($obj);
636	} else {	993	} else {
637	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
638	}	995	}
		996	_recalc_want;
639	};	997	};
640		998
641	sub cf::attachable::attached {	999	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
643		1001
…		…
658	";	1016	";
659	die if $@;	1017	die if $@;
660	}	1018	}
661		1019
662	our $override;	1020	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1021	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1022
665	sub override {	1023	sub override {
666	$override = 1;	1024	$override = 1;
667	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
668	}	1026	}
669		1027
670	sub do_invoke {	1028	sub do_invoke {
671	my $event = shift;	1029	my $event = shift;
672	my $callbacks = shift;	1030	my $callbacks = shift;
673		1031
674	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
675		1033
676	local $override;	1034	local $override;
677		1035
678	for (@$callbacks) {	1036	for (@$callbacks) {
679	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
688	}	1046	}
689		1047
690	0	1048	0
691	}	1049	}
692		1050
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1052
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1054
697	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
698		1056
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1057	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1058	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1060
703	=back	1061	=back
704		1062
705	=cut	1063	=cut
706		1064
707	#############################################################################	1065	#############################################################################
708	# object support	1066	# object support
		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
		1101	sub _can_merge {
		1102	my ($ob1, $ob2) = @_;
		1103
		1104	++$SLOW_MERGES;#d#
		1105
		1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
		1108	}
709		1109
710	sub reattach {	1110	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1112	my ($obj) = @_;
713		1113
		1114	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1116
716	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
717		1118
718	@$registry = ();	1119	@$registry = ();
719		1120
…		…
734	cf::attachable->attach (	1135	cf::attachable->attach (
735	prio => -1000000,	1136	prio => -1000000,
736	on_instantiate => sub {	1137	on_instantiate => sub {
737	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
738		1139
739	$data = from_json $data;	1140	$data = decode_json $data;
740		1141
741	for (@$data) {	1142	for (@$data) {
742	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
743		1144
744	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1161	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
762		1163
763	sync_job {	1164	sync_job {
764	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
767		1169
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1173	if ($cf::USE_FSYNC) {
		1174	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1175	aio_fsync $fh;
		1176	}
772	close $fh;	1177	aio_close $fh;
773		1178
774	if (@$objs) {	1179	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
780	close $fh;	1188	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
782	}	1190	}
783	} else {	1191	} else {
784	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
785	}	1193	}
786		1194
787	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1199	} else {
789	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
790	}	1201	}
791	} else {	1202	} else {
792	aio_unlink $filename;	1203	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
794	}	1205	}
795	}	1206	};
796	}	1207	}
797		1208
798	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
800		1211
…		…
812	or return;	1223	or return;
813		1224
814	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
816	or return;	1227	or return;
		1228
817	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
818	}	1231	}
819		1232
		1233	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
822	return ($data, $av);	1237	($data, $av)
823	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
824		1245
825	#############################################################################	1246	#############################################################################
826	# command handling &c	1247	# command handling &c
827		1248
828	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1263	}
843		1264
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1266
846	Register a callbackf ro execution when the client sends an extcmd packet.	1267	Register a callback for execution when the client sends an (synchronous)
		1268	extcmd packet. Ext commands will be processed in the order they are
		1269	received by the server, like other user commands. The first argument is
		1270	the logged-in player. Ext commands can only be processed after a player
		1271	has logged in successfully.
847		1272
848	If the callback returns something, it is sent back as if reply was being	1273	If the callback returns something, it is sent back as if reply was being
849	called.	1274	called.
850		1275
		1276	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1277
		1278	Register a callback for execution when the client sends an (asynchronous)
		1279	exticmd packet. Exti commands are processed by the server as soon as they
		1280	are received, i.e. out of order w.r.t. other commands. The first argument
		1281	is a client socket. Exti commands can be received anytime, even before
		1282	log-in.
		1283
		1284	If the callback returns something, it is sent back as if reply was being
		1285	called.
		1286
851	=cut	1287	=cut
852		1288
853	sub register_extcmd {	1289	sub register_extcmd {
854	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
855		1291
856	$EXTCMD{$name} = $cb;	1292	$EXTCMD{$name} = $cb;
857	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
858		1302
859	cf::player->attach (	1303	cf::player->attach (
860	on_command => sub {	1304	on_command => sub {
861	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
862		1306
…		…
870	cf::override;	1314	cf::override;
871	},	1315	},
872	on_extcmd => sub {	1316	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
874		1318
875	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1320
877	if (ref $msg) {	1321	if (ref $msg) {
		1322	my ($type, $reply, @payload) =
		1323	"ARRAY" eq ref $msg
		1324	? @$msg
		1325	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1326
		1327	my @reply;
		1328
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
883	} else {	1336	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1338	}
886		1339
887	cf::override;	1340	cf::override;
888	},	1341	},
889	);	1342	);
890		1343
		1344	# "readahead" all extensions
891	sub load_extension {	1345	sub cache_extensions {
892	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
893		1347
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1351	}
919	die $@;
920	}	1352	};
921		1353
922	push @EXTS, $pkg;	1354	$grp
923	}	1355	}
924		1356
925	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
926	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1362	next unless -r $path;
928	eval {	1363
929	load_extension $ext;	1364	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1365	my $base = $1;
		1366	my $pkg = $1;
		1367	$pkg =~ s/[^[:word:]]/_/g;
		1368	$pkg = "ext::$pkg";
		1369
		1370	open my $fh, "<:utf8", $path
		1371	or die "$path: $!";
		1372
		1373	my $source = do { local $/; <$fh> };
		1374
		1375	my %ext = (
		1376	path => $path,
		1377	base => $base,
		1378	pkg => $pkg,
		1379	);
		1380
		1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1383
		1384	$ext{source} =
		1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1386	. "#line 1 \"$path\"\n{\n"
		1387	. $source
		1388	. "\n};\n1";
		1389
		1390	$todo{$base} = \%ext;
		1391	}
		1392
		1393	my %done;
		1394	while (%todo) {
		1395	my $progress;
		1396
		1397	while (my ($k, $v) = each %todo) {
		1398	for (split /,\s*/, $v->{meta}{depends}) {
		1399	goto skip
		1400	unless exists $done{$_};
		1401	}
		1402
		1403	warn "... loading '$k' into '$v->{pkg}'\n";
		1404
		1405	unless (eval $v->{source}) {
		1406	my $msg = $@ ? "$v->{path}: $@\n"
		1407	: "$v->{base}: extension inactive.\n";
		1408
		1409	if (exists $v->{meta}{mandatory}) {
		1410	warn $msg;
		1411	cf::cleanup "mandatory extension failed to load, exiting.";
		1412	}
		1413
		1414	warn $msg;
		1415	}
		1416
		1417	$done{$k} = delete $todo{$k};
		1418	push @EXTS, $v->{pkg};
		1419	$progress = 1;
930	1	1420	}
931	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
932	}	1426	};
933	}	1427	}
934		1428
935	#############################################################################	1429	#############################################################################
936		1430
		1431	=back
		1432
937	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
938		1434
939	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
940		1436
941	=cut	1437	=cut
942		1438
943	package cf::player;	1439	package cf::player;
944		1440
…		…
946		1442
947	=head3 cf::player	1443	=head3 cf::player
948		1444
949	=over 4	1445	=over 4
950		1446
		1447	=item cf::player::num_playing
		1448
		1449	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1450
		1451	=cut
		1452
		1453	sub num_playing {
		1454	scalar grep
		1455	$_->ob->map
		1456	&& !$_->hidden
		1457	&& !$_->ob->flag (cf::FLAG_WIZ),
		1458	cf::player::list
		1459	}
		1460
951	=item cf::player::find $login	1461	=item cf::player::find $login
952		1462
953	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
954		1464
955	=cut	1465	=cut
956		1466
957	sub playerdir($) {	1467	sub playerdir($) {
958	cf::localdir	1468	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1469	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1470	}
964		1471
965	sub path($) {	1472	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1473	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1474
968	(playerdir $login) . "/$login.pl"	1475	(playerdir $login) . "/playerdata"
969	}	1476	}
970		1477
971	sub find_active($) {	1478	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1479	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1480	and $cf::PLAYER{$_[0]}->active
…		…
976		1483
977	sub exists($) {	1484	sub exists($) {
978	my ($login) = @_;	1485	my ($login) = @_;
979		1486
980	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
982	}	1489	}
983		1490
984	sub find($) {	1491	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1493	my $login = $_[0];
987		1494
988	my $guard = cf::lock_acquire "user_find:$login";	1495	my $guard = cf::lock_acquire "user_find:$login";
989		1496
990	$cf::PLAYER{$_[0]} || do {	1497	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1498	# rename old playerfiles to new ones
		1499	#TODO: remove when no longer required
		1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1503	aio_unlink +(playerdir $login) . "/$login.pl";
		1504
		1505	my $f = new_from_file cf::object::thawer path $login
992	or return;	1506	or return;
		1507
		1508	my $pl = cf::player::load_pl $f
		1509	or return;
		1510
		1511	local $cf::PLAYER_LOADING{$login} = $pl;
		1512	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
994	}	1514	}
995	}	1515	}
996	}	1516	}
997		1517
…		…
1006	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1007		1527
1008	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1010		1530
		1531	cf::get_slot 0.01;
		1532
1011	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1012	Coro::cede;	1534	cf::cede_to_tick;
1013	}	1535	}
1014		1536
1015	sub new($) {	1537	sub new($) {
1016	my ($login) = @_;	1538	my ($login) = @_;
1017		1539
…		…
1023	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1024		1546
1025	$self	1547	$self
1026	}	1548	}
1027		1549
		1550	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1551
		1552	=cut
		1553
		1554	sub send_msg {
		1555	my $ns = shift->ns
		1556	or return;
		1557	$ns->send_msg (@_);
		1558	}
		1559
1028	=item $pl->quit_character	1560	=item $pl->quit_character
1029		1561
1030	Nukes the player without looking back. If logged in, the connection will	1562	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1032		1564
…		…
1036	my ($pl) = @_;	1568	my ($pl) = @_;
1037		1569
1038	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1039		1571
1040	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1574
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1047		1581
1048	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1613	while and may block, so not sync_job-capable, ever.
1080		1614
1081	=cut	1615	=cut
1082		1616
1083	sub list_logins {	1617	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1618	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1619	or return [];
1086		1620
1087	my @logins;	1621	my @logins;
1088		1622
1089	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
		1624	my $path = path $login;
		1625
		1626	# a .pst is a dead give-away for a valid player
		1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1093		1633
1094	utf8::decode $login;	1634	utf8::decode $login;
1095	push @logins, $login;	1635	push @logins, $login;
1096	}	1636	}
1097		1637
…		…
1124	}	1664	}
1125		1665
1126	\@paths	1666	\@paths
1127	}	1667	}
1128		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1129	=item $player->ext_reply ($msgid, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1130		1674
1131	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1132		1676
1133	=cut	1677	=cut
1134		1678
1135	sub ext_reply($$%) {	1679	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1137		1681
1138	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1683	}
1142		1684
1143	=item $player->ext_event ($type, %msg)	1685	=item $player->ext_msg ($type, @msg)
1144		1686
1145	Sends an ext event to the client.	1687	Sends an ext event to the client.
1146		1688
1147	=cut	1689	=cut
1148		1690
1149	sub ext_event($$%) {	1691	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1692	my ($self, $type, @msg) = @_;
1151		1693
1152	$self->ns->ext_event ($type, %msg);	1694	$self->ns->ext_msg ($type, @msg);
1153	}	1695	}
1154		1696
1155	package cf;	1697	=head3 cf::region
		1698
		1699	=over 4
		1700
		1701	=cut
		1702
		1703	package cf::region;
		1704
		1705	=item cf::region::find_by_path $path
		1706
		1707	Tries to decuce the likely region for a map knowing only its path.
		1708
		1709	=cut
		1710
		1711	sub find_by_path($) {
		1712	my ($path) = @_;
		1713
		1714	my ($match, $specificity);
		1715
		1716	for my $region (list) {
		1717	if ($region->{match} && $path =~ $region->{match}) {
		1718	($match, $specificity) = ($region, $region->specificity)
		1719	if $region->specificity > $specificity;
		1720	}
		1721	}
		1722
		1723	$match
		1724	}
1156		1725
1157	=back	1726	=back
1158
1159		1727
1160	=head3 cf::map	1728	=head3 cf::map
1161		1729
1162	=over 4	1730	=over 4
1163		1731
…		…
1175	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1177		1745
1178	sub generate_random_map {	1746	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1750
1180	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1752	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1789	my ($self, $merge) = @_;
1219		1790
1220	# we have to keep some variables in memory intact	1791	# we have to keep some variables in memory intact
1221	local $self->{path};	1792	local $self->{path};
1222	local $self->{load_path};	1793	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1794
1226	$self->SUPER::thawer_merge ($merge);	1795	$self->SUPER::thawer_merge ($merge);
1227	}	1796	}
1228		1797
1229	sub normalise {	1798	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1845	$self->init; # pass $1 etc.
1277	return $self;	1846	return $self;
1278	}	1847	}
1279	}	1848	}
1280		1849
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1851	()
1283	}	1852	}
1284		1853
1285	sub init {	1854	sub init {
1286	my ($self) = @_;	1855	my ($self) = @_;
…		…
1301		1870
1302	# the original (read-only) location	1871	# the original (read-only) location
1303	sub load_path {	1872	sub load_path {
1304	my ($self) = @_;	1873	my ($self) = @_;
1305		1874
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1875	"$MAPDIR/$self->{path}.map"
1307	}	1876	}
1308		1877
1309	# the temporary/swap location	1878	# the temporary/swap location
1310	sub save_path {	1879	sub save_path {
1311	my ($self) = @_;	1880	my ($self) = @_;
1312		1881
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1883	"$TMPDIR/$path.map"
1315	}	1884	}
1316		1885
1317	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1318	sub uniq_path {	1887	sub uniq_path {
1319	my ($self) = @_;	1888	my ($self) = @_;
1320		1889
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1891	"$UNIQUEDIR/$path"
1323	}	1892	}
1324		1893
1325	# and all this just because we cannot iterate over	1894	sub decay_objects {
1326	# all maps in C++...
1327	sub change_all_map_light {
1328	my ($change) = @_;	1895	my ($self) = @_;
1329		1896
1330	$_->change_map_light ($change)	1897	return if $self->{deny_reset};
1331	for grep $_->outdoor, values %cf::MAP;	1898
		1899	$self->do_decay_objects;
1332	}	1900	}
1333		1901
1334	sub unlink_save {	1902	sub unlink_save {
1335	my ($self) = @_;	1903	my ($self) = @_;
1336		1904
…		…
1341		1909
1342	sub load_header_from($) {	1910	sub load_header_from($) {
1343	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1344		1912
1345	utf8::encode $path;	1913	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1351		1922
1352	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1353		1924
1354	1	1925	1
1355	}	1926	}
…		…
1394	$self->load_header_orig	1965	$self->load_header_orig
1395	or return;	1966	or return;
1396	$self->prepare_orig;	1967	$self->prepare_orig;
1397	}	1968	}
1398		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
		1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
1399	1	1976	1
1400	}	1977	}
1401		1978
1402	sub find;	1979	sub find;
1403	sub find {	1980	sub find {
1404	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1405		1982
1406	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1407		1984
		1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1409		1987
1410	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";
1412	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1413	or return;	1990	or return;
1414		1991
1415	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1416		1993
1417	$map->load_header	1994	$map->load_header
1418	or return;	1995	or return;
1419		1996
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1423	$map->reset;	2002	$map->reset;
1424	undef $guard;
1425	return find $path;	2003	return find $path;
1426	}	2004	}
1427		2005
1428	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
1429	}	2007	}
…		…
1436	my ($self) = @_;	2014	my ($self) = @_;
1437		2015
1438	local $self->{deny_reset} = 1; # loading can take a long time	2016	local $self->{deny_reset} = 1; # loading can take a long time
1439		2017
1440	my $path = $self->{path};	2018	my $path = $self->{path};
		2019
		2020	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2021	my $guard = cf::lock_acquire "map_data:$path";
1442		2022
		2023	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2025
1445	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1446		2027
1447	$self->alloc;	2028	$self->alloc;
1448		2029
1449	$self->pre_load;	2030	$self->pre_load;
		2031	cf::cede_to_tick;
1450		2032
1451	$self->_load_objects ($self->{load_path}, 1)	2033	my $f = new_from_file cf::object::thawer $self->{load_path};
		2034	$f->skip_block;
		2035	$self->_load_objects ($f)
1452	or return;	2036	or return;
1453		2037
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1455	if delete $self->{load_original};	2039	if delete $self->{load_original};
1456		2040
1457	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2042	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2045	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1462	}	2049	}
1463	}	2050	}
1464		2051
1465	Coro::cede;	2052	$f->resolve_delayed_derefs;
1466		2053
		2054	cf::cede_to_tick;
1467	# now do the right thing for maps	2055	# now do the right thing for maps
1468	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2058	unless $self->difficulty;
1478	Coro::cede;	2059	cf::cede_to_tick;
		2060
		2061	unless ($self->{deny_activate}) {
		2062	$self->decay_objects;
		2063	$self->fix_auto_apply;
		2064	$self->update_buttons;
		2065	cf::cede_to_tick;
1479	$self->activate;	2066	$self->activate;
		2067	}
		2068
		2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
		2071
		2072	$self->in_memory (cf::MAP_ACTIVE);
1480	}	2073	}
1481		2074
1482	$self->post_load;	2075	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2076	}
1486		2077
1487	sub customise_for {	2078	sub customise_for {
1488	my ($self, $ob) = @_;	2079	my ($self, $ob) = @_;
1489		2080
1490	return find "~" . $ob->name . "/" . $self->{path}	2081	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2082	if $self->per_player;
1492		2083
		2084	# return find "?party/" . $ob->name . "/" . $self->{path}
		2085	# if $self->per_party;
		2086
1493	$self	2087	$self
1494	}	2088	}
1495		2089
1496	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2091	sub load_neighbours {
1498	my ($map) = @_;	2092	my ($map) = @_;
1499		2093
1500	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1501		2095
1502	for (0 .. 3) {	2096	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1504	or next;	2098	or next;
1505	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1506	or next;	2100	or next;
1507	$neigh->load;	2101	$neigh->load;
1508		2102
		2103	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2106	}
1512		2107
1513	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1515	or next;	2111	or next;
1516	$neigh->load;	2112	$neigh->load;
1517	}	2113	}
1518	}	2114	}
1519		2115
…		…
1524	}	2120	}
1525		2121
1526	sub do_load_sync {	2122	sub do_load_sync {
1527	my ($map) = @_;	2123	my ($map) = @_;
1528		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1529	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1530	}	2129	}
1531		2130
1532	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2132	our $MAP_PREFETCHER = undef;
1534		2133
1535	sub find_async {	2134	sub find_async {
1536	my ($path, $origin) = @_;	2135	my ($path, $origin, $load) = @_;
1537		2136
1538	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
1539		2138
1540	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2141	}
1543		2142
1544	undef $MAP_PREFETCH{$path};	2143	$MAP_PREFETCH{$path} |= $load;
		2144
1545	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
1546	while (%MAP_PREFETCH) {	2148	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2149	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2150	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2151	$map->load if $v;
		2152	}
1551		2153
1552	delete $MAP_PREFETCH{$path};	2154	delete $MAP_PREFETCH{$k};
1553	}	2155	}
1554	}	2156	}
1555	undef $MAP_PREFETCHER;	2157	undef $MAP_PREFETCHER;
1556	};	2158	};
1557	$MAP_PREFETCHER->prio (6);	2159	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2162	}
1561		2163
1562	sub save {	2164	sub save {
1563	my ($self) = @_;	2165	my ($self) = @_;
1564		2166
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2168
1567	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1568		2170
1569	return unless $self->dirty;	2171	return unless $self->dirty;
1570		2172
…		…
1576	return if $self->{deny_save};	2178	return if $self->{deny_save};
1577		2179
1578	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1579		2181
1580	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1582	};	2185	};
		2186
		2187	cf::get_slot 0.02;
1583		2188
1584	if ($uniq) {	2189	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2192	} else {
…		…
1593	my ($self) = @_;	2198	my ($self) = @_;
1594		2199
1595	# save first because save cedes	2200	# save first because save cedes
1596	$self->save;	2201	$self->save;
1597		2202
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2204
1600	return if $self->players;	2205	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2207	return if $self->{deny_save};
1603		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2213	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2214	}
1607		2215
1608	sub reset_at {	2216	sub reset_at {
1609	my ($self) = @_;	2217	my ($self) = @_;
1610		2218
1611	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1614		2221
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2224
…		…
1628	my ($self) = @_;	2235	my ($self) = @_;
1629		2236
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2238
1632	return if $self->players;	2239	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2240
1635	warn "resetting map ", $self->path;#d#	2241	warn "resetting map ", $self->path, "\n";
1636		2242
1637	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
1638		2244
1639	# need to save uniques path	2245	# need to save uniques path
1640	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2250	if $uniq;
1645	}	2251	}
1646		2252
1647	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1648		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2257	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2258
1653	$self->unlink_save;	2259	$self->unlink_save;
1654	$self->destroy;	2260	$self->destroy;
1655	}	2261	}
1656		2262
1657	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1658		2264
1659	sub nuke {	2265	sub nuke {
1660	my ($self) = @_;	2266	my ($self) = @_;
1661		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
1662	delete $cf::MAP{$self->path};	2271	delete $cf::MAP{$self->path};
1663		2272
1664	$self->unlink_save;	2273	$self->unlink_save;
1665		2274
1666	bless $self, "cf::map";	2275	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2276	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2280
1672	$cf::MAP{$self->path} = $self;	2281	$cf::MAP{$self->path} = $self;
		2282	}
1673		2283
1674	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
		2285	}
		2286
		2287	=item $maps = cf::map::tmp_maps
		2288
		2289	Returns an arrayref with all map paths of currently instantiated and saved
		2290	maps. May block.
		2291
		2292	=cut
		2293
		2294	sub tmp_maps() {
		2295	[
		2296	map {
		2297	utf8::decode $_;
		2298	/\.map$/
		2299	? normalise $_
		2300	: ()
		2301	} @{ aio_readdir $TMPDIR or [] }
		2302	]
		2303	}
		2304
		2305	=item $maps = cf::map::random_maps
		2306
		2307	Returns an arrayref with all map paths of currently instantiated and saved
		2308	random maps. May block.
		2309
		2310	=cut
		2311
		2312	sub random_maps() {
		2313	[
		2314	map {
		2315	utf8::decode $_;
		2316	/\.map$/
		2317	? normalise "?random/$_"
		2318	: ()
		2319	} @{ aio_readdir $RANDOMDIR or [] }
		2320	]
1675	}	2321	}
1676		2322
1677	=item cf::map::unique_maps	2323	=item cf::map::unique_maps
1678		2324
1679	Returns an arrayref of paths of all shared maps that have	2325	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2326	instantiated unique items. May block.
1681		2327
1682	=cut	2328	=cut
1683		2329
1684	sub unique_maps() {	2330	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2331	[
1686	or return;	2332	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2333	utf8::decode $_;
1692	next if /\.pst$/;	2334	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2336	? ()
1695	push @paths, cf::map::normalise $_;	2337	: normalise $_
		2338	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2339	]
1697
1698	\@paths
1699	}	2340	}
1700
1701	package cf;
1702		2341
1703	=back	2342	=back
1704		2343
1705	=head3 cf::object	2344	=head3 cf::object
1706		2345
…		…
1710		2349
1711	=over 4	2350	=over 4
1712		2351
1713	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1714		2353
1715	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
1716		2356
1717	=cut	2357	=cut
1718		2358
1719	sub inv_recursive_;	2359	sub inv_recursive_;
1720	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1723		2363
1724	sub inv_recursive {	2364	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1726	}	2366	}
1727		2367
		2368	=item $ref = $ob->ref
		2369
		2370	Creates and returns a persistent reference to an object that can be stored as a string.
		2371
		2372	=item $ob = cf::object::deref ($refstring)
		2373
		2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2375	even if the object actually exists. May block.
		2376
		2377	=cut
		2378
		2379	sub deref {
		2380	my ($ref) = @_;
		2381
		2382	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2383	my ($uuid, $name) = ($1, $2);
		2384	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2385	or return;
		2386	$pl->ob->uuid eq $uuid
		2387	or return;
		2388
		2389	$pl->ob
		2390	} else {
		2391	warn "$ref: cannot resolve object reference\n";
		2392	undef
		2393	}
		2394	}
		2395
1728	package cf;	2396	package cf;
1729		2397
1730	=back	2398	=back
1731		2399
1732	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1738	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2406	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1739	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
1740	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1741		2409
1742	=cut	2410	=cut
		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
1743		2425
1744	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2427	# with dialog boxes.
1746	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
1747	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1749		2431
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2433
1752	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1754	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1757	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1758	}	2459	}
1759		2460
1760	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1761		2462
1762	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1775		2476
1776	=item $player_object->enter_link	2477	=item $player_object->enter_link
1777		2478
1778	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
1779		2480
1780	The player should be reasonably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
1781	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
1782		2485
1783	Will never block.	2486	Will never block.
1784		2487
1785	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1786		2489
…		…
1809	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1810		2513
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2515
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1815		2518
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2520	}
1818		2521
1819	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1821		2526
1822	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1823		2528
1824	unless ($map) {	2529	unless ($map) {
1825	# restore original map position	2530	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1842		2547
1843	$map->load;	2548	$map->load;
1844	$map->load_diag;	2549	$map->load_neighbours;
1845		2550
1846	return unless $self->contr->active;	2551	return unless $self->contr->active;
1847	$self->activate_recursive;
1848		2552
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
1851	}
1852		2555
1853	cf::player->attach (	2556	# only activate afterwards, to support waiting in hooks
1854	on_logout => sub {	2557	$self->activate_recursive;
1855	my ($pl) = @_;	2558	}
1856		2559
1857	# abort map switching before logout	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	if ($pl->ob->{_link_pos}) {
1859	cf::sync_job {
1860	$pl->ob->leave_link
1861	};
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2561
1867	# try to abort aborted map switching on player login :)	2562	Moves the player to the given map-path and coordinates by first freezing
1868	# should happen only on crashes	2563	her, loading and preparing them map, calling the provided $check callback
1869	if ($pl->ob->{_link_pos}) {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1870	$pl->ob->enter_link;	2565	the new (success) or old (failed) map position. In either case, $done will
1871	(async {	2566	be called at the end of this process.
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2567
1885	=item $player_object->goto ($path, $x, $y)	2568	Note that $check will be called with a potentially non-loaded map, so if
		2569	it needs a loaded map it has to call C<< ->load >>.
1886		2570
1887	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1888		2574
1889	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
		2577
		2578	# do generation counting so two concurrent goto's will be executed in-order
		2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2580
1892	$self->enter_link;	2581	$self->enter_link;
1893		2582
1894	(async {	2583	(async {
		2584	$Coro::current->{desc} = "player::goto $path $x $y";
		2585
		2586	# *tag paths override both path and x|y
		2587	if ($path =~ /^\*(.*)$/) {
		2588	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2589	my $ob = $obs[rand @obs];
		2590
		2591	# see if we actually can go there
		2592	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2593	$ob = $obs[rand @obs];
		2594	} else {
		2595	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597	# else put us there anyways for now #d#
		2598
		2599	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2600	} else {
		2601	($path, $x, $y) = (undef, undef, undef);
		2602	}
		2603	}
		2604
1895	my $map = eval {	2605	my $map = eval {
1896	my $map = cf::map::find $path;	2606	my $map = defined $path ? cf::map::find $path : undef;
		2607
		2608	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2609	$map = $map->customise_for ($self);
		2610	$map = $check->($map) if $check && $map;
		2611	} else {
		2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	}
		2614
1898	$map	2615	$map
		2616	};
		2617
		2618	if ($@) {
		2619	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2620	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2621	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2622
		2623	if ($gen == $self->{_goto_generation}) {
		2624	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1903	})->prio (1);	2629	})->prio (1);
1904	}	2630	}
1905		2631
1906	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1907		2633
…		…
1927	}	2653	}
1928		2654
1929	sub prepare_random_map {	2655	sub prepare_random_map {
1930	my ($exit) = @_;	2656	my ($exit) = @_;
1931		2657
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2660	# that depends on the exit object
1937		2661
1938	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2664	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
1945	}	2671	}
1946		2672
1947	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
1948		2674
1949	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
1952		2678
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2681	undef $fh;
1956	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
1957		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
1960	}	2690	}
1961	}	2691	}
1962		2692
1963	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
1965		2695
1966	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
1967		2697
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	# the problem is that $exit might not survive long enough
1971	# so it needs to be done right now, right here
1972	cf::sync_job { prepare_random_map $exit };
1973	}
1974
1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1976	my $hp = $exit->stats->hp;
1977	my $sp = $exit->stats->sp;
1978
1979	$self->enter_link;	2698	$self->enter_link;
1980		2699
1981	(async {	2700	(async {
1982	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
1983	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
		2710	prepare_random_map $exit
		2711	if $exit->slaying eq "/!";
		2712	}
		2713
		2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
		2717
1984	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
1985		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
1986	1;	2724	1
1987	}) {	2725	}) {
1988	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
1989	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
1990	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
1991	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
1992		2730
1993	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2012		2750
2013	utf8::encode $text;	2751	utf8::encode $text;
2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2015	}	2753	}
2016		2754
		2755	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2756
		2757	Send a drawinfo or msg packet to the client, formatting the msg for the
		2758	client if neccessary. C<$type> should be a string identifying the type of
		2759	the message, with C<log> being the default. If C<$color> is negative, suppress
		2760	the message unless the client supports the msg packet.
		2761
		2762	=cut
		2763
		2764	# non-persistent channels (usually the info channel)
		2765	our %CHANNEL = (
		2766	"c/identify" => {
		2767	id => "infobox",
		2768	title => "Identify",
		2769	reply => undef,
		2770	tooltip => "Items recently identified",
		2771	},
		2772	"c/examine" => {
		2773	id => "infobox",
		2774	title => "Examine",
		2775	reply => undef,
		2776	tooltip => "Signs and other items you examined",
		2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
		2784	"c/lookat" => {
		2785	id => "infobox",
		2786	title => "Look",
		2787	reply => undef,
		2788	tooltip => "What you saw there",
		2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
		2864	);
		2865
		2866	sub cf::client::send_msg {
		2867	my ($self, $channel, $msg, $color, @extra) = @_;
		2868
		2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel);
		2879	$channel = $channel->{id};
		2880
		2881	} elsif (ref $channel) {
		2882	# send meta info to client, if not yet sent
		2883	unless (exists $self->{channel}{$channel->{id}}) {
		2884	$self->{channel}{$channel->{id}} = $channel;
		2885	$self->ext_msg (channel_info => $channel);
		2886	}
		2887
		2888	$channel = $channel->{id};
		2889	}
		2890
		2891	return unless @extra || length $msg;
		2892
		2893	# default colour, mask it out
		2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2895	if $color & cf::NDI_DEF;
		2896
		2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
		2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2900	);
		2901
		2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
		2905
		2906	# split very large packets
		2907	if (8192 < length $pkt and $self->{can_lzf}) {
		2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2909	$pkt = "frag";
		2910	}
		2911
		2912	$self->send_packet ($pkt);
		2913	}
		2914
2017	=item $client->ext_event ($type, %msg)	2915	=item $client->ext_msg ($type, @msg)
2018		2916
2019	Sends an exti event to the client.	2917	Sends an ext event to the client.
2020		2918
2021	=cut	2919	=cut
2022		2920
2023	sub cf::client::ext_event($$%) {	2921	sub cf::client::ext_msg($$@) {
2024	my ($self, $type, %msg) = @_;	2922	my ($self, $type, @msg) = @_;
2025		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
2026	$msg{msgtype} = "event_$type";	2927	push @msg, msgtype => "event_$type";
2027	$self->send_packet ("ext " . cf::to_json \%msg);	2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
		2931
		2932	=item $client->ext_reply ($msgid, @msg)
		2933
		2934	Sends an ext reply to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_reply($$@) {
		2939	my ($self, $id, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2943	} elsif ($self->extcmd == 1) {
		2944	#TODO: version 1, remove
		2945	unshift @msg, msgtype => "reply", msgid => $id;
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
2028	}	2948	}
2029		2949
2030	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
2031		2951
2032	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2953	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2034	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2954	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2035		2955
2036	Queries can fail, so check the return code. Or don't, as queries will become	2956	Queries can fail, so check the return code. Or don't, as queries will
2037	reliable at some point in the future.	2957	become reliable at some point in the future.
2038		2958
2039	=cut	2959	=cut
2040		2960
2041	sub cf::client::query {	2961	sub cf::client::query {
2042	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
2050	utf8::encode $text;	2970	utf8::encode $text;
2051	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2052		2972
2053	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
2054	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
2055	}	2977	}
2056		2978
2057	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
2058	on_reply => sub {	2985	on_reply => sub {
2059	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
2060		2987
2061	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
2062	# get handled first	2989	# get handled first
…		…
2074	} else {	3001	} else {
2075	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2076	}	3003	}
2077	}	3004	}
2078	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($ns, $buf) = @_;
		3008
		3009	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3010
		3011	if (ref $msg) {
		3012	my ($type, $reply, @payload) =
		3013	"ARRAY" eq ref $msg
		3014	? @$msg
		3015	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3016
		3017	my @reply;
		3018
		3019	if (my $cb = $EXTICMD{$type}) {
		3020	@reply = $cb->($ns, @payload);
		3021	}
		3022
		3023	$ns->ext_reply ($reply, @reply)
		3024	if $reply;
		3025
		3026	} else {
		3027	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3028	}
		3029
		3030	cf::override;
		3031	},
2079	);	3032	);
2080		3033
2081	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
2082		3035
2083	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
2124	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
2125	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
2126		3079
2127	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
2128		3081
2129	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
2130		3087
2131	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
2132		3089
2133	=pod	3090	=pod
2134		3091
2135	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2136		3093
2137	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
2138	cf::object::player player	3099	cf::object::player
2139	cf::player peaceful	3100	player
2140	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
2141		3107
2142	=cut	3108	=cut
2143		3109
2144	for (	3110	for (
2145	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
2146	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2147	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2148	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2149	) {	3117	) {
2150	no strict 'refs';	3118	no strict 'refs';
2151	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2152	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2169	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2170		3138
2171	my $qcode = $code;	3139	my $qcode = $code;
2172	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2173	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2174		3144
2175	local $_;	3145	local $_;
2176	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2177		3147
2178	my $eval =	3148	my $eval =
…		…
2221	=back	3191	=back
2222		3192
2223	=cut	3193	=cut
2224		3194
2225	#############################################################################	3195	#############################################################################
2226
2227	=head2 EXTENSION DATABASE SUPPORT
2228
2229	Crossfire maintains a very simple database for extension use. It can
2230	currently store anything that can be serialised using Storable, which
2231	excludes objects.
2232
2233	The parameter C<$family> should best start with the name of the extension
2234	using it, it should be unique.
2235
2236	=over 4
2237
2238	=item $value = cf::db_get $family => $key
2239
2240	Returns a single value from the database.
2241
2242	=item cf::db_put $family => $key => $value
2243
2244	Stores the given C<$value> in the family.
2245
2246	=cut
2247
2248	our $DB;
2249
2250	sub db_init {
2251	unless ($DB) {
2252	$DB = BDB::db_create $DB_ENV;
2253
2254	cf::sync_job {
2255	eval {
2256	$DB->set_flags (BDB::CHKSUM);
2257
2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260	cf::cleanup "db_open(db): $!" if $!;
2261	};
2262	cf::cleanup "db_open(db): $@" if $@;
2263	};
2264
2265	my $path = cf::localdir . "/database.pst";
2266	if (stat $path) {
2267	cf::sync_job {
2268	my $pst = Storable::retrieve $path;
2269
2270	cf::db_put (board => data => $pst->{board});
2271	cf::db_put (guildrules => data => $pst->{guildrules});
2272	cf::db_put (rent => balance => $pst->{rent}{balance});
2273	BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275	unlink $path;
2276	};
2277	}
2278	}
2279	}
2280
2281	sub db_get($$) {
2282	my $key = "$_[0]/$_[1]";
2283
2284	cf::sync_job {
2285	BDB::db_get $DB, undef, $key, my $data;
2286
2287	$! ? ()
2288	: Compress::LZF::sthaw $data
2289	}
2290	}
2291
2292	sub db_put($$$) {
2293	BDB::dbreq_pri 4;
2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295	}
2296
2297	#############################################################################
2298	# the server's init and main functions	3196	# the server's init and main functions
2299		3197
2300	sub load_facedata {	3198	sub load_facedata($) {
2301	my $path = sprintf "%s/facedata", cf::datadir;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2302		3206
2303	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2304		3208
2305	my $faces;	3209	my $facedata;
2306	0 < aio_load $path, $faces	3210	0 < aio_load $path, $facedata
2307	or die "$path: $!";	3211	or die "$path: $!";
2308		3212
2309	Coro::cede;
2310	$faces = Storable::thaw $faces;	3213	$facedata = Coro::Storable::thaw $facedata;
2311	Coro::cede;
2312		3214
2313	my $meta = delete $faces->{""};
2314	$meta->{version} == 1	3215	$facedata->{version} == 2
2315	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2316		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
		3225	{
		3226	my $faces = $facedata->{faceinfo};
		3227
2317	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230
		3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2322	Coro::cede;
2323	}
2324		3235
		3236	cf::cede_to_tick;
		3237	}
		3238
2325	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2326	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2327	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2328	or next;	3243	or next;
		3244
2329	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
2330	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
		3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2331	} else {	3248	} else {
2332	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2333	}	3250	}
2334	Coro::cede;	3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
2335	}	3256	{
		3257	my $anims = $facedata->{animinfo};
		3258
		3259	while (my ($anim, $info) = each %$anims) {
		3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3261	cf::cede_to_tick;
		3262	}
		3263
		3264	cf::anim::invalidate_all; # d'oh
		3265	}
		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2336		3301
2337	1	3302	1
2338	}	3303	}
2339		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
		3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
		3348	load_resource_file "$MAPDIR/regions"
		3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
		3355	}
		3356
		3357	sub reload_facedata {
		3358	load_facedata "$DATADIR/facedata"
		3359	or die "unable to load facedata\n";
		3360	}
		3361
		3362	sub reload_archetypes {
		3363	load_resource_file "$DATADIR/archetypes"
		3364	or die "unable to load archetypes\n";
		3365	}
		3366
		3367	sub reload_treasures {
		3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
		3370	}
		3371
2340	sub reload_resources {	3372	sub reload_resources {
2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3373	warn "reloading resource files...\n";
2342	or die "unable to load regions file\n";#d#	3374
2343	load_facedata	3375	reload_facedata;
2344	or die "unable to load facedata\n";#d#	3376	reload_archetypes;
2345	}
2346
2347	sub init {
2348	reload_resources;	3377	reload_regions;
2349	}	3378	reload_treasures;
2350		3379
2351	sub cfg_load {	3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2352	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2353	or return;	3385	or return;
2354		3386
2355	local $/;	3387	local $/;
2356	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2357		3389
2358	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2359		3391
2360	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2361	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2367	};	3399	};
2368	warn $@ if $@;	3400	warn $@ if $@;
2369	}	3401	}
2370	}	3402	}
2371		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
		3430	}
		3431
2372	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
2373	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2374	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376	(async {	3450	(async {
2377	Event::one_event;	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
2378	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
2379	};	3454	};
2380		3455
2381	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
2382	db_init;	3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
2383	load_extensions;	3474	load_extensions;
2384		3475
2385	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
2386	Event::loop;	3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
2387	}	3486	}
2388		3487
2389	#############################################################################	3488	#############################################################################
2390	# initialisation and cleanup	3489	# initialisation and cleanup
2391		3490
2392	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2393	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2394	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2395	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2396	reentrant => 0,
2397	data => WF_AUTOCANCEL,
2398	signal => $signal,
2399	prio => 0,
2400	cb => sub {
2401	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2402	},
2403	);	3497	};
		3498	}
		3499	}
		3500
		3501	sub write_runtime_sync {
		3502	# first touch the runtime file to show we are still running:
		3503	# the fsync below can take a very very long time.
		3504
		3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3506
		3507	my $guard = cf::lock_acquire "write_runtime";
		3508
		3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = $cf::RUNTIME + 90 + 10;
		3513	# 10 is the runtime save interval, for a monotonic clock
		3514	# 60 allows for the watchdog to kill the server.
		3515
		3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3517	and return;
		3518
		3519	# always fsync - this file is important
		3520	aio_fsync $fh
		3521	and return;
		3522
		3523	# touch it again to show we are up-to-date
		3524	aio_utime $fh, undef, undef;
		3525
		3526	close $fh
		3527	or return;
		3528
		3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3530	and return;
		3531
		3532	warn "runtime file written.\n";
		3533
2404	}	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
2405	}	3585	}
2406		3586
2407	sub emergency_save() {	3587	sub emergency_save() {
2408	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2409		3589
2410	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2411		3591
2412	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
2413	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2414	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2415	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2416	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2417	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2418	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2419	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2420	$pl->save;	3606	$pl->save;
2421	}	3607	}
2422	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2423		3609
2424	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2425	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2426	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2427	$map->valid or next;	3613	$map->valid or next;
2428	$map->save;	3614	$map->save;
2429	}	3615	}
2430	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
2431		3617
2432	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
2433	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
2434	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
2435	};	3625	};
2436		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
2437	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2438	}	3633	}
2439		3634
2440	sub post_cleanup {	3635	sub post_cleanup {
2441	my ($make_core) = @_;	3636	my ($make_core) = @_;
2442		3637
2443	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
2444	if $make_core;	3639	if $make_core;
2445	}
2446		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
		3669	}
		3670
2447	sub reload() {	3671	sub do_reload_perl() {
2448	# can/must only be called in main	3672	# can/must only be called in main
2449	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2450	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
2451	return;	3675	return;
2452	}	3676	}
2453		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2454	warn "reloading...";	3683	warn "reloading...";
2455		3684
2456	warn "entering sync_job";	3685	warn "entering sync_job";
2457		3686
2458	cf::sync_job {	3687	cf::sync_job {
2459	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
2460	cf::emergency_save;	3689	cf::emergency_save;
2461	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
2462		3691
2463	warn "syncing database to disk";	3692	warn "syncing database to disk";
2464	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2465		3694
2466	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
2467		3696
2468	warn "cancelling all WF_AUTOCANCEL watchers";
2469	for (Event::all_watchers) {
2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2471	}
2472
2473	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
2474	for (;;) {
2475	BDB::flush;
2476	IO::AIO::flush;
2477	Coro::cede;
2478	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2479	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2480	}
2481
2482	++$RELOAD;
2483
2484	warn "cancelling all extension coros";
2485	$_->cancel for values %EXT_CORO;
2486	%EXT_CORO = ();
2487
2488	warn "removing commands";
2489	%COMMAND = ();
2490
2491	warn "removing ext commands";
2492	%EXTCMD = ();
2493
2494	warn "unloading/nuking all extensions";
2495	for my $pkg (@EXTS) {
2496	warn "... unloading $pkg";
2497
2498	if (my $cb = $pkg->can ("unload")) {
2499	eval {
2500	$cb->($pkg);
2501	1
2502	} or warn "$pkg unloaded, but with errors: $@";
2503	}	3700	}
2504		3701
2505	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
2506	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
2507	}	3704	%EXT_CORO = ();
2508		3705
2509	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
2510	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2512		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2513	warn "... unloading $k";	3715	warn "... unloading $pkg";
2514	delete $INC{$k};
2515		3716
2516	$k =~ s/\.pm$//;
2517	$k =~ s/\//::/g;
2518
2519	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2520	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2521	}	3726	}
2522		3727
2523	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
2524	}	3743	}
2525		3744
2526	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2527	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2529		3748
2530	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2531	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
		3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2532		3752
2533	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2534	# and global variables created in xs	3754	# and global variables created in xs
2535	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2536		3756
2537	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
2538		3758
2539	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2540	require cf;	3760	require cf;
2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2542		3762
2543	warn "loading config and database again";	3763	warn "loading config and database again";
2544	cf::cfg_load;	3764	cf::reload_config;
2545		3765
2546	warn "loading extensions";	3766	warn "loading extensions";
2547	cf::load_extensions;	3767	cf::load_extensions;
2548		3768
		3769	if ($REATTACH_ON_RELOAD) {
2549	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2550	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
2551	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
2552	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
2553	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
2554	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
2555		3777
2556	warn "loading reloadable resources";	3778	warn "running post_init jobs";
2557	reload_resources;	3779	(pop @POST_INIT)->(1) while @POST_INIT;
2558		3780
2559	warn "leaving sync_job";	3781	warn "leaving sync_job";
2560		3782
2561	1	3783	1
2562	} or do {	3784	} or do {
2563	warn $@;	3785	warn $@;
2564	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
2565	exit 1;	3787	};
		3788
		3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
		3795	};
		3796
		3797	our $RELOAD_WATCHER; # used only during reload
		3798
		3799	sub reload_perl() {
		3800	# doing reload synchronously and two reloads happen back-to-back,
		3801	# coro crashes during coro_state_free->destroy here.
		3802
		3803	$RELOAD_WATCHER ||= cf::async {
		3804	Coro::AIO::aio_wait cache_extensions;
		3805
		3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3807	do_reload_perl;
		3808	undef $RELOAD_WATCHER;
		3809	};
2566	};	3810	};
2567		3811	}
2568	warn "reloaded";
2569	};
2570
2571	our $RELOAD_WATCHER; # used only during reload
2572		3812
2573	register_command "reload" => sub {	3813	register_command "reload" => sub {
2574	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2575		3815
2576	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2577	$who->message ("reloading server.");	3817	$who->message ("reloading server.");
2578		3818	async {
2579	# doing reload synchronously and two reloads happen back-to-back,	3819	$Coro::current->{desc} = "perl_reload";
2580	# coro crashes during coro_state_free->destroy here.
2581
2582	$RELOAD_WATCHER ||= Event->timer (
2583	reentrant => 0,
2584	after => 0,
2585	data => WF_AUTOCANCEL,
2586	cb => sub {
2587	reload;	3820	reload_perl;
2588	undef $RELOAD_WATCHER;
2589	},
2590	);	3821	};
2591	}	3822	}
2592	};	3823	};
2593		3824
2594	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2595		3826
2596	my $bug_warning = 0;	3827	my $bug_warning = 0;
2597		3828
2598	$TICK_WATCHER = Event->timer (	3829	our @WAIT_FOR_TICK;
2599	reentrant => 0,	3830	our @WAIT_FOR_TICK_BEGIN;
2600	parked => 1,	3831
2601	prio => 0,	3832	sub wait_for_tick {
2602	at => $NEXT_TICK || $TICK,	3833	return if tick_inhibit || $Coro::current == $Coro::main;
2603	data => WF_AUTOCANCEL,	3834
2604	cb => sub {	3835	my $signal = new Coro::Signal;
		3836	push @WAIT_FOR_TICK, $signal;
		3837	$signal->wait;
		3838	}
		3839
		3840	sub wait_for_tick_begin {
		3841	return if tick_inhibit || $Coro::current == $Coro::main;
		3842
		3843	my $signal = new Coro::Signal;
		3844	push @WAIT_FOR_TICK_BEGIN, $signal;
		3845	$signal->wait;
		3846	}
		3847
		3848	sub tick {
2605	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
2608	return;	3852	return;
2609	}	3853	}
2610		3854
2611	$NOW = Event::time;
2612
2613	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2614	$RUNTIME += $TICK;
2615	$NEXT_TICK += $TICK;
2616		3856
2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2619	Coro::async_pool {	3859	Coro::async_pool {
		3860	$Coro::current->{desc} = "runtime saver";
2620	write_runtime	3861	write_runtime_sync
2621	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2622	};
2623	}	3863	};
2624
2625	$WAIT_FOR_TICK->broadcast;
2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2627
2628	# my $AFTER = Event::time;
2629	# warn $AFTER - $NOW;#d#
2630
2631	# if we are delayed by four ticks or more, skip them all
2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2633
2634	$TICK_WATCHER->at ($NEXT_TICK);
2635	$TICK_WATCHER->start;
2636	},	3864	}
2637	);	3865
		3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3867	$sig->send;
		3868	}
		3869	while (my $sig = shift @WAIT_FOR_TICK) {
		3870	$sig->send;
		3871	}
		3872
		3873	$LOAD = ($NOW - $TICK_START) / $TICK;
		3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3875
		3876	if (0) {
		3877	if ($NEXT_TICK) {
		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
		3882	}
		3883	}
2638		3884
2639	{	3885	{
2640	BDB::max_poll_time $TICK * 0.1;	3886	# configure BDB
2641	$BDB_POLL_WATCHER = Event->io (	3887
2642	reentrant => 0,
2643	fd => BDB::poll_fileno,
2644	poll => 'r',
2645	prio => 0,
2646	data => WF_AUTOCANCEL,
2647	cb => \&BDB::poll_cb,
2648	);
2649	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
2650		3889	BDB::max_poll_reqs $TICK * 0.1;
2651	BDB::set_sync_prepare {	3890	$AnyEvent::BDB::WATCHER->priority (1);
2652	my $status;
2653	my $current = $Coro::current;
2654	(
2655	sub {
2656	$status = $!;
2657	$current->ready; undef $current;
2658	},
2659	sub {
2660	Coro::schedule while defined $current;
2661	$! = $status;
2662	},
2663	)
2664	};
2665		3891
2666	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
2667	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
		3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2668		3899
2669	cf::sync_job {	3900	cf::sync_job {
2670	eval {	3901	eval {
2671	BDB::db_env_open	3902	BDB::db_env_open
2672	$DB_ENV,	3903	$DB_ENV,
2673	$BDB_ENV_DIR,	3904	$BDBDIR,
2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3905	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676	0666;	3907	0666;
2677		3908
2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679
2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681	$DB_ENV->set_lk_detect;
2682	};	3910	};
2683		3911
2684	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
2685	};	3913	};
2686	}	3914	}
		3915
		3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3918	};
		3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3921	};
		3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3924	};
2687	}	3925	}
2688		3926
2689	{	3927	{
		3928	# configure IO::AIO
		3929
2690	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
2691
2692	undef $Coro::AIO::WATCHER;
2693	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
2694	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
2695	reentrant => 0,
2696	data => WF_AUTOCANCEL,
2697	fd => IO::AIO::poll_fileno,
2698	poll => 'r',
2699	prio => 6,
2700	cb => \&IO::AIO::poll_cb,
2701	);
2702	}	3933	}
		3934
		3935	my $_log_backtrace;
		3936
		3937	sub _log_backtrace {
		3938	my ($msg, @addr) = @_;
		3939
		3940	$msg =~ s/\n//;
		3941
		3942	# limit the # of concurrent backtraces
		3943	if ($_log_backtrace < 2) {
		3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
		3946	async {
		3947	$Coro::current->{desc} = "abt $msg";
		3948
		3949	my @bt = fork_call {
		3950	@addr = map { sprintf "%x", $_ } @addr;
		3951	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3952	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3953	or die "addr2line: $!";
		3954
		3955	my @funcs;
		3956	my @res = <$fh>;
		3957	chomp for @res;
		3958	while (@res) {
		3959	my ($func, $line) = splice @res, 0, 2, ();
		3960	push @funcs, "[$func] $line";
		3961	}
		3962
		3963	@funcs
		3964	};
		3965
		3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3968	LOG llevInfo, "[ABT] $_\n" for @bt;
		3969	--$_log_backtrace;
		3970	};
		3971	} else {
		3972	LOG llevInfo, "[ABT] $msg\n";
		3973	LOG llevInfo, "[ABT] [suppressed]\n";
		3974	}
		3975	}
		3976
		3977	# load additional modules
		3978	require "cf/$_.pm" for @EXTRA_MODULES;
2703		3979
2704	END { cf::emergency_save }	3980	END { cf::emergency_save }
2705		3981
2706	1	3982	1
2707		3983

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