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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 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 3.61 ();	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;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;	56	use Digest::MD5;
26	use Fcntl;	57	use Fcntl;
27	use YAML::Syck ();	58	use YAML ();
28	use IO::AIO 2.32 ();	59	use IO::AIO ();
29	use Time::HiRes;	60	use Time::HiRes;
30	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
31		65
32	# configure various modules to our taste	66	# configure various modules to our taste
33	#	67	#
34	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		76
38	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
39		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		79
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		81
47	our %COMMAND = ();	82	our %COMMAND = ();
48	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
49		84
50	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
54		90
55	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	92	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
		95
		96	our $CONFDIR = confdir;
		97	our $DATADIR = datadir;
		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;
58		111
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	114	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
69		123
70	our %CFG;	124	our %CFG;
71		125
72	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
74		129
75	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		133
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		146
84	binmode STDOUT;	147	binmode STDOUT;
85	binmode STDERR;	148	binmode STDERR;
86		149
87	# read virtual server time, if available	150	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
92	}	155	}
93		156
94	mkdir cf::localdir;	157	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	158
96	mkdir cf::localdir . "/" . cf::tmpdir;	159	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		161
101	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
102		163
103	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	}
104		173
105	#############################################################################	174	#############################################################################
106		175
107	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
108		177
…		…
115	=item $cf::RUNTIME	184	=item $cf::RUNTIME
116		185
117	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
118	every server tick.	187	every server tick.
119		188
120	=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
121		192
122	The perl library directory, where extensions and cf-specific modules can	193	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		197
125	=item $cf::NOW	198	=item $cf::NOW
126		199
127	The time of the last (current) server tick.	200	The time of the last (current) server tick.
128		201
129	=item $cf::TICK	202	=item $cf::TICK
130		203
131	The interval between server ticks, in seconds.	204	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	216	=item %cf::CFG
134		217
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	219	from wherever your confdir points to.
137		220
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		222
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	224	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	225	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		238
144	=back	239	=back
145		240
146	=cut	241	=cut
147		242
148	BEGIN {	243	$Coro::State::WARNHOOK = sub {
149	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	244	my $msg = join "", @_;
151	utf8::encode $msg;
152		245
153	$msg .= "\n"	246	$msg .= "\n"
154	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
155		248
		249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		250
156	LOG llevError, $msg;	251	LOG llevError, $msg;
157	};	252	};
158	}	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	};
159		267
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		275
167	# 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
168	# within the Safe compartment.	277	# within the Safe compartment.
169	for my $pkg (qw(	278	for my $pkg (qw(
170	cf::global cf::attachable	279	cf::global cf::attachable
171	cf::object cf::object::player	280	cf::object cf::object::player
172	cf::client cf::player	281	cf::client cf::player
173	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
174	cf::map cf::party cf::region	284	cf::party cf::region
175	)) {	285	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	287	}
179		288
180	$Event::DIED = sub {	289	$EV::DIED = sub {
181	warn "error in event callback: @_";	290	warn "error in event callback: @_";
182	};	291	};
		292
		293	#############################################################################
183		294
184	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
185		296
186	=over 4	297	=over 4
187		298
…		…
206	$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;
207	$d	318	$d
208	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
209	}	320	}
210		321
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
214		323
215	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
216		325
217	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
218		327
219	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	351	=item cf::lock_wait $string
222		352
223	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
224		354
225	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
226		356
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
230	returned.	360	returned.
231		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
232	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
233	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
234		367
235	=cut	368	=item $locked = cf::lock_active $string
236		369
237	our %LOCK;	370	Return true if the lock is currently active, i.e. somebody has locked it.
		371
		372	=cut
		373
		374	our $LOCKS = new Coro::SemaphoreSet;
238		375
239	sub lock_wait($) {	376	sub lock_wait($) {
240	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	378	}
248		379
249	sub lock_acquire($) {	380	sub lock_acquire($) {
250	my ($key) = @_;	381	$LOCKS->guard ($_[0])
		382	}
251		383
252	# wait, to be sure we are not locked	384	sub lock_active($) {
253	lock_wait $key;	385	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	386	}
262		387
263	sub freeze_mainloop {	388	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
265		390
266	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
		407	}
		408
		409	=item cf::get_slot $time[, $priority[, $name]]
		410
		411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		412	This call blocks and returns only when you have at least C<$time> seconds
		413	of cpu time till the next tick. The slot is only valid till the next cede.
		414
		415	The optional C<$name> can be used to identify the job to run. It might be
		416	used for statistical purposes and should identify the same time-class.
		417
		418	Useful for short background jobs.
		419
		420	=cut
		421
		422	our @SLOT_QUEUE;
		423	our $SLOT_QUEUE;
		424
		425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		426	$SLOT_QUEUE = Coro::async {
		427	$Coro::current->desc ("timeslot manager");
		428
		429	my $signal = new Coro::Signal;
		430
		431	while () {
		432	next_job:
		433	my $avail = cf::till_tick;
		434	if ($avail > 0.01) {
		435	for (0 .. $#SLOT_QUEUE) {
		436	if ($SLOT_QUEUE[$_][0] < $avail) {
		437	my $job = splice @SLOT_QUEUE, $_, 1, ();
		438	$job->[2]->send;
		439	Coro::cede;
		440	goto next_job;
		441	}
		442	}
		443	}
		444
		445	if (@SLOT_QUEUE) {
		446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		447	push @cf::WAIT_FOR_TICK, $signal;
		448	$signal->wait;
		449	} else {
		450	Coro::schedule;
		451	}
268	};	452	}
269	$TICK_WATCHER->stop;	453	};
270	$guard	454
		455	sub get_slot($;$$) {
		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	$sig->wait;
271	}	467	}
272		468
273	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
274		470
275	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		476
281	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
282		478
283	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
284		480
285	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
288		485
289	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
292	fast or be very important.	489	fast or be very important.
…		…
295		492
296	sub sync_job(&) {	493	sub sync_job(&) {
297	my ($job) = @_;	494	my ($job) = @_;
298		495
299	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
		497	my $time = EV::time;
		498
300	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
302		501
303	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	503
305	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
306		505
307	my $busy = 1;	506	my $busy = 1;
308	my @res;	507	my @res;
309		508
310	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	511	@res = eval { $job->() };
312	warn $@ if $@;	512	warn $@ if $@;
313	undef $busy;	513	undef $busy;
314	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
315		515
316	while ($busy) {	516	while ($busy) {
317	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
318	}	521	}
		522	}
		523
		524	my $time = EV::time - $time;
		525
		526	$TICK_START += $time; # do not account sync jobs to server load
319		527
320	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
321	} else {	529	} else {
322	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
323		531
…		…
343	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
344		552
345	$coro	553	$coro
346	}	554	}
347		555
348	sub write_runtime {	556	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		557
351	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.
352		562
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	=cut
354	or return;
355		564
356	my $value = $cf::RUNTIME + 90 + 10;	565	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	566	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		567
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	568	# we seemingly have to make a local copy of the whole thing,
361	and return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
362		571
363	# always fsync - this file is important	572	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	573	reset_signals;
365	and return;	574	&$cb
		575	}, @args;
366		576
367	close $fh	577	wantarray ? @res : $res[-1]
368	or return;	578	}
369		579
370	aio_rename "$runtime~", $runtime	580	=item $coin = coin_from_name $name
371	and return;
372		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		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($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
373	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		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"
374	}	732	}
375		733
376	=item cf::datalog type => key => value, ...	734	=item cf::datalog type => key => value, ...
377		735
378	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.
…		…
390		748
391	#############################################################################	749	#############################################################################
392		750
393	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
394		752
395	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
396	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")
397	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
398		756
399	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>
400	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
401	crossfire+).	759	Deliantra).
402		760
403	=over 4	761	=over 4
404		762
405	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
406		764
…		…
450	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
451		809
452	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
454		812
455	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		815
458	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
459		817
460	=over 4	818	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	927	$registry = $CB_TYPE[$object_type] ||= [];
570		928
571	} elsif ($type eq "subtype") {	929	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	930	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	931	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	932	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		933
576	} elsif ($type eq "package") {	934	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	935	my $pkg = shift @arg;
578		936
579	while (my ($name, $id) = each %cb_id) {	937	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
609	}	967	}
610		968
611	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
612	} else {	970	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	972	}
615		973
616	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
617	}	975	}
618		976
…		…
620	if (ref $_[0]) {	978	if (ref $_[0]) {
621	_object_attach @_;	979	_object_attach @_;
622	} else {	980	} else {
623	_attach shift->_attach_registry, @_;	981	_attach shift->_attach_registry, @_;
624	}	982	}
		983	_recalc_want;
625	};	984	};
626		985
627	# all those should be optimised	986	# all those should be optimised
628	sub cf::attachable::detach {	987	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	988	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	991	delete $obj->{_attachment}{$name};
633	reattach ($obj);	992	reattach ($obj);
634	} else {	993	} else {
635	Carp::croak "cannot, currently, detach class attachments";	994	Carp::croak "cannot, currently, detach class attachments";
636	}	995	}
		996	_recalc_want;
637	};	997	};
638		998
639	sub cf::attachable::attached {	999	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1000	my ($obj, $name) = @_;
641		1001
…		…
656	";	1016	";
657	die if $@;	1017	die if $@;
658	}	1018	}
659		1019
660	our $override;	1020	our $override;
661	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?
662		1022
663	sub override {	1023	sub override {
664	$override = 1;	1024	$override = 1;
665	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
666	}	1026	}
667		1027
668	sub do_invoke {	1028	sub do_invoke {
669	my $event = shift;	1029	my $event = shift;
670	my $callbacks = shift;	1030	my $callbacks = shift;
671		1031
672	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
673		1033
674	local $override;	1034	local $override;
675		1035
676	for (@$callbacks) {	1036	for (@$callbacks) {
677	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
686	}	1046	}
687		1047
688	0	1048	0
689	}	1049	}
690		1050
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1052
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1054
695	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
696		1056
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1060
701	=back	1061	=back
702		1062
703	=cut	1063	=cut
704		1064
705	#############################################################################	1065	#############################################################################
706	# 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, $ob2
		1108	}
707		1109
708	sub reattach {	1110	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1112	my ($obj) = @_;
711		1113
		1114	# no longer needed after getting rid of delete_package?
712	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
713		1116
714	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
715		1118
716	@$registry = ();	1119	@$registry = ();
717		1120
…		…
732	cf::attachable->attach (	1135	cf::attachable->attach (
733	prio => -1000000,	1136	prio => -1000000,
734	on_instantiate => sub {	1137	on_instantiate => sub {
735	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
736		1139
737	$data = from_json $data;	1140	$data = decode_json $data;
738		1141
739	for (@$data) {	1142	for (@$data) {
740	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
741		1144
742	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1161	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
760		1163
761	sync_job {	1164	sync_job {
762	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
765		1169
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1177	aio_close $fh;
771		1178
772	if (@$objs) {	1179	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1188	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
780	}	1190	}
781	} else {	1191	} else {
782	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
783	}	1193	}
784		1194
785	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1199	} else {
787	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
788	}	1201	}
789	} else {	1202	} else {
790	aio_unlink $filename;	1203	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
792	}	1205	}
793	}	1206	};
794	}	1207	}
795		1208
796	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
798		1211
…		…
810	or return;	1223	or return;
811		1224
812	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
814	or return;	1227	or return;
		1228
815	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
816	}	1231	}
817		1232
		1233	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
820	return ($data, $av);	1237	($data, $av)
821	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
822		1245
823	#############################################################################	1246	#############################################################################
824	# command handling &c	1247	# command handling &c
825		1248
826	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1263	}
841		1264
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1266
844	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.
845		1272
846	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
847	called.	1274	called.
848		1275
		1276	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1277
		1278	Register a callback for execution when the client sends an (asynchronous)
		1279	exticmd packet. Exti commands are processed by the server as soon as they
		1280	are received, i.e. out of order w.r.t. other commands. The first argument
		1281	is a client socket. Exti commands can be received anytime, even before
		1282	log-in.
		1283
		1284	If the callback returns something, it is sent back as if reply was being
		1285	called.
		1286
849	=cut	1287	=cut
850		1288
851	sub register_extcmd {	1289	sub register_extcmd {
852	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
853		1291
854	$EXTCMD{$name} = $cb;	1292	$EXTCMD{$name} = $cb;
855	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
856		1302
857	cf::player->attach (	1303	cf::player->attach (
858	on_command => sub {	1304	on_command => sub {
859	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
860		1306
…		…
868	cf::override;	1314	cf::override;
869	},	1315	},
870	on_extcmd => sub {	1316	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
872		1318
873	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1320
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
881	} else {	1336	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1338	}
884		1339
885	cf::override;	1340	cf::override;
886	},	1341	},
887	);	1342	);
888		1343
		1344	# "readahead" all extensions
889	sub load_extension {	1345	sub cache_extensions {
890	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
891		1347
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1351	}
917	die $@;
918	}	1352	};
919		1353
920	push @EXTS, $pkg;	1354	$grp
921	}	1355	}
922		1356
923	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
924	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1362	next unless -r $path;
926	eval {	1363
927	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	$progress = 1;
928	1	1420	}
929	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
930	}	1426	};
931	}	1427	}
932		1428
933	#############################################################################	1429	#############################################################################
934		1430
		1431	=back
		1432
935	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
936		1434
937	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
938		1436
939	=cut	1437	=cut
940		1438
941	package cf::player;	1439	package cf::player;
942		1440
…		…
944		1442
945	=head3 cf::player	1443	=head3 cf::player
946		1444
947	=over 4	1445	=over 4
948		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
949	=item cf::player::find $login	1461	=item cf::player::find $login
950		1462
951	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
952		1464
953	=cut	1465	=cut
954		1466
955	sub playerdir($) {	1467	sub playerdir($) {
956	cf::localdir	1468	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1469	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1470	}
962		1471
963	sub path($) {	1472	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1473	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1483
975	sub exists($) {	1484	sub exists($) {
976	my ($login) = @_;	1485	my ($login) = @_;
977		1486
978	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
980	}	1489	}
981		1490
982	sub find($) {	1491	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1493	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1503	aio_unlink +(playerdir $login) . "/$login.pl";
995		1504
996	my $pl = load_pl path $login	1505	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
999	}	1514	}
1000	}	1515	}
1001	}	1516	}
1002		1517
…		…
1011	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1012		1527
1013	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1015		1530
		1531	cf::get_slot 0.01;
		1532
1016	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1017	Coro::cede;	1534	cf::cede_to_tick;
1018	}	1535	}
1019		1536
1020	sub new($) {	1537	sub new($) {
1021	my ($login) = @_;	1538	my ($login) = @_;
1022		1539
…		…
1028	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1029		1546
1030	$self	1547	$self
1031	}	1548	}
1032		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
1033	=item $pl->quit_character	1560	=item $pl->quit_character
1034		1561
1035	Nukes the player without looking back. If logged in, the connection will	1562	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1037		1564
…		…
1041	my ($pl) = @_;	1568	my ($pl) = @_;
1042		1569
1043	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1044		1571
1045	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1046	$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
1047		1574
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1052		1581
1053	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1613	while and may block, so not sync_job-capable, ever.
1085		1614
1086	=cut	1615	=cut
1087		1616
1088	sub list_logins {	1617	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1618	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1619	or return [];
1091		1620
1092	my @logins;	1621	my @logins;
1093		1622
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1098		1633
1099	utf8::decode $login;	1634	utf8::decode $login;
1100	push @logins, $login;	1635	push @logins, $login;
1101	}	1636	}
1102		1637
…		…
1129	}	1664	}
1130		1665
1131	\@paths	1666	\@paths
1132	}	1667	}
1133		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1134	=item $player->ext_reply ($msgid, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1135		1674
1136	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1137		1676
1138	=cut	1677	=cut
1139		1678
1140	sub ext_reply($$%) {	1679	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1142		1681
1143	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1683	}
1147		1684
1148	=item $player->ext_event ($type, %msg)	1685	=item $player->ext_msg ($type, @msg)
1149		1686
1150	Sends an ext event to the client.	1687	Sends an ext event to the client.
1151		1688
1152	=cut	1689	=cut
1153		1690
1154	sub ext_event($$%) {	1691	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1692	my ($self, $type, @msg) = @_;
1156		1693
1157	$self->ns->ext_event ($type, %msg);	1694	$self->ns->ext_msg ($type, @msg);
1158	}	1695	}
1159		1696
1160	=head3 cf::region	1697	=head3 cf::region
1161		1698
1162	=over 4	1699	=over 4
…		…
1165		1702
1166	package cf::region;	1703	package cf::region;
1167		1704
1168	=item cf::region::find_by_path $path	1705	=item cf::region::find_by_path $path
1169		1706
1170	Tries to decuce the probable region for a map knowing only its path.	1707	Tries to decuce the likely region for a map knowing only its path.
1171		1708
1172	=cut	1709	=cut
1173		1710
1174	sub find_by_path($) {	1711	sub find_by_path($) {
1175	my ($path) = @_;	1712	my ($path) = @_;
1176		1713
1177	my ($match, $specificity);	1714	my ($match, $specificity);
1178		1715
1179	for my $region (list) {	1716	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1717	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1718	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1719	if $region->specificity > $specificity;
1183	}	1720	}
1184	}	1721	}
1185		1722
…		…
1206	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1208		1745
1209	sub generate_random_map {	1746	sub generate_random_map {
1210	my ($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
1211	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1752	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1789	my ($self, $merge) = @_;
1250		1790
1251	# we have to keep some variables in memory intact	1791	# we have to keep some variables in memory intact
1252	local $self->{path};	1792	local $self->{path};
1253	local $self->{load_path};	1793	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1794
1257	$self->SUPER::thawer_merge ($merge);	1795	$self->SUPER::thawer_merge ($merge);
1258	}	1796	}
1259		1797
1260	sub normalise {	1798	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1845	$self->init; # pass $1 etc.
1308	return $self;	1846	return $self;
1309	}	1847	}
1310	}	1848	}
1311		1849
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1851	()
1314	}	1852	}
1315		1853
1316	sub init {	1854	sub init {
1317	my ($self) = @_;	1855	my ($self) = @_;
…		…
1332		1870
1333	# the original (read-only) location	1871	# the original (read-only) location
1334	sub load_path {	1872	sub load_path {
1335	my ($self) = @_;	1873	my ($self) = @_;
1336		1874
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1875	"$MAPDIR/$self->{path}.map"
1338	}	1876	}
1339		1877
1340	# the temporary/swap location	1878	# the temporary/swap location
1341	sub save_path {	1879	sub save_path {
1342	my ($self) = @_;	1880	my ($self) = @_;
1343		1881
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1883	"$TMPDIR/$path.map"
1346	}	1884	}
1347		1885
1348	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1349	sub uniq_path {	1887	sub uniq_path {
1350	my ($self) = @_;	1888	my ($self) = @_;
1351		1889
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1891	"$UNIQUEDIR/$path"
1354	}	1892	}
1355		1893
1356	# and all this just because we cannot iterate over	1894	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1895	my ($self) = @_;
1360		1896
1361	$_->change_map_light ($change)	1897	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1898
		1899	$self->do_decay_objects;
1363	}	1900	}
1364		1901
1365	sub unlink_save {	1902	sub unlink_save {
1366	my ($self) = @_;	1903	my ($self) = @_;
1367		1904
…		…
1372		1909
1373	sub load_header_from($) {	1910	sub load_header_from($) {
1374	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1375		1912
1376	utf8::encode $path;	1913	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1922
1383	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1384		1924
1385	1	1925	1
1386	}	1926	}
…		…
1425	$self->load_header_orig	1965	$self->load_header_orig
1426	or return;	1966	or return;
1427	$self->prepare_orig;	1967	$self->prepare_orig;
1428	}	1968	}
1429		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
1430	$self->default_region (cf::region::find_by_path $self->{path})	1973	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1974	unless $self->default_region;
1432		1975
1433	1	1976	1
1434	}	1977	}
…		…
1437	sub find {	1980	sub find {
1438	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1439		1982
1440	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1441		1984
		1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1987
1444	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1447	or return;	1990	or return;
1448		1991
1449	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1450		1993
1451	$map->load_header	1994	$map->load_header
1452	or return;	1995	or return;
1453		1996
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1457	$map->reset;	2002	$map->reset;
1458	undef $guard;
1459	return find $path;	2003	return find $path;
1460	}	2004	}
1461		2005
1462	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
1463	}	2007	}
…		…
1470	my ($self) = @_;	2014	my ($self) = @_;
1471		2015
1472	local $self->{deny_reset} = 1; # loading can take a long time	2016	local $self->{deny_reset} = 1; # loading can take a long time
1473		2017
1474	my $path = $self->{path};	2018	my $path = $self->{path};
		2019
		2020	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2021	my $guard = cf::lock_acquire "map_data:$path";
1476		2022
		2023	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2025
1479	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1480		2027
1481	$self->alloc;	2028	$self->alloc;
1482		2029
1483	$self->pre_load;	2030	$self->pre_load;
1484	Coro::cede;	2031	cf::cede_to_tick;
1485		2032
1486	$self->_load_objects ($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)
1487	or return;	2036	or return;
1488		2037
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1490	if delete $self->{load_original};	2039	if delete $self->{load_original};
1491		2040
1492	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2042	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2045	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1497	}	2049	}
1498	}	2050	}
1499		2051
1500	Coro::cede;	2052	$f->resolve_delayed_derefs;
		2053
		2054	cf::cede_to_tick;
1501	# now do the right thing for maps	2055	# now do the right thing for maps
1502	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2058	unless $self->difficulty;
1513	Coro::cede;	2059	cf::cede_to_tick;
		2060
		2061	unless ($self->{deny_activate}) {
		2062	$self->decay_objects;
		2063	$self->fix_auto_apply;
		2064	$self->update_buttons;
		2065	cf::cede_to_tick;
1514	$self->activate;	2066	$self->activate;
1515	Coro::cede;	2067	}
		2068
		2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
		2071
		2072	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2073	}
1517		2074
1518	$self->post_load;	2075	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2076	}
1523		2077
1524	sub customise_for {	2078	sub customise_for {
1525	my ($self, $ob) = @_;	2079	my ($self, $ob) = @_;
1526		2080
1527	return find "~" . $ob->name . "/" . $self->{path}	2081	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2082	if $self->per_player;
1529		2083
		2084	# return find "?party/" . $ob->name . "/" . $self->{path}
		2085	# if $self->per_party;
		2086
1530	$self	2087	$self
1531	}	2088	}
1532		2089
1533	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2091	sub load_neighbours {
1535	my ($map) = @_;	2092	my ($map) = @_;
1536		2093
1537	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1538		2095
1539	for (0 .. 3) {	2096	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1541	or next;	2098	or next;
1542	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1543	or next;	2100	or next;
1544	$neigh->load;	2101	$neigh->load;
1545		2102
		2103	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2106	}
1549		2107
1550	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1552	or next;	2111	or next;
1553	$neigh->load;	2112	$neigh->load;
1554	}	2113	}
1555	}	2114	}
1556		2115
…		…
1561	}	2120	}
1562		2121
1563	sub do_load_sync {	2122	sub do_load_sync {
1564	my ($map) = @_;	2123	my ($map) = @_;
1565		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1566	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1567	}	2129	}
1568		2130
1569	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2132	our $MAP_PREFETCHER = undef;
1571		2133
1572	sub find_async {	2134	sub find_async {
1573	my ($path, $origin) = @_;	2135	my ($path, $origin, $load) = @_;
1574		2136
1575	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
1576		2138
1577	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2141	}
1580		2142
1581	undef $MAP_PREFETCH{$path};	2143	$MAP_PREFETCH{$path} |= $load;
		2144
1582	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
1583	while (%MAP_PREFETCH) {	2148	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2149	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2150	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2151	$map->load if $v;
		2152	}
1588		2153
1589	delete $MAP_PREFETCH{$path};	2154	delete $MAP_PREFETCH{$k};
1590	}	2155	}
1591	}	2156	}
1592	undef $MAP_PREFETCHER;	2157	undef $MAP_PREFETCHER;
1593	};	2158	};
1594	$MAP_PREFETCHER->prio (6);	2159	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2162	}
1598		2163
1599	sub save {	2164	sub save {
1600	my ($self) = @_;	2165	my ($self) = @_;
1601		2166
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2168
1604	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1605		2170
1606	return unless $self->dirty;	2171	return unless $self->dirty;
1607		2172
…		…
1613	return if $self->{deny_save};	2178	return if $self->{deny_save};
1614		2179
1615	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1616		2181
1617	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1619	};	2185	};
		2186
		2187	cf::get_slot 0.02;
1620		2188
1621	if ($uniq) {	2189	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2192	} else {
…		…
1630	my ($self) = @_;	2198	my ($self) = @_;
1631		2199
1632	# save first because save cedes	2200	# save first because save cedes
1633	$self->save;	2201	$self->save;
1634		2202
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2204
1637	return if $self->players;	2205	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2207	return if $self->{deny_save};
1640		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2213	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2214	}
1644		2215
1645	sub reset_at {	2216	sub reset_at {
1646	my ($self) = @_;	2217	my ($self) = @_;
1647		2218
1648	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1651		2221
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2224
…		…
1665	my ($self) = @_;	2235	my ($self) = @_;
1666		2236
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2238
1669	return if $self->players;	2239	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2240
1672	warn "resetting map ", $self->path;#d#	2241	warn "resetting map ", $self->path, "\n";
1673		2242
1674	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
1675		2244
1676	# need to save uniques path	2245	# need to save uniques path
1677	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2250	if $uniq;
1682	}	2251	}
1683		2252
1684	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1685		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2257	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2258
1690	$self->unlink_save;	2259	$self->unlink_save;
1691	$self->destroy;	2260	$self->destroy;
1692	}	2261	}
1693		2262
1694	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1695		2264
1696	sub nuke {	2265	sub nuke {
1697	my ($self) = @_;	2266	my ($self) = @_;
1698		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
1699	delete $cf::MAP{$self->path};	2271	delete $cf::MAP{$self->path};
1700		2272
1701	$self->unlink_save;	2273	$self->unlink_save;
1702		2274
1703	bless $self, "cf::map";	2275	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2276	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2280
1709	$cf::MAP{$self->path} = $self;	2281	$cf::MAP{$self->path} = $self;
		2282	}
1710		2283
1711	$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	]
1712	}	2321	}
1713		2322
1714	=item cf::map::unique_maps	2323	=item cf::map::unique_maps
1715		2324
1716	Returns an arrayref of paths of all shared maps that have	2325	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2326	instantiated unique items. May block.
1718		2327
1719	=cut	2328	=cut
1720		2329
1721	sub unique_maps() {	2330	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2331	[
1723	or return;	2332	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2333	utf8::decode $_;
1729	next if /\.pst$/;	2334	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2336	? ()
1732	push @paths, cf::map::normalise $_;	2337	: normalise $_
		2338	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2339	]
1734
1735	\@paths
1736	}	2340	}
1737
1738	package cf;
1739		2341
1740	=back	2342	=back
1741		2343
1742	=head3 cf::object	2344	=head3 cf::object
1743		2345
…		…
1747		2349
1748	=over 4	2350	=over 4
1749		2351
1750	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1751		2353
1752	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.
1753		2356
1754	=cut	2357	=cut
1755		2358
1756	sub inv_recursive_;	2359	sub inv_recursive_;
1757	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1760		2363
1761	sub inv_recursive {	2364	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1763	}	2366	}
1764		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
1765	package cf;	2396	package cf;
1766		2397
1767	=back	2398	=back
1768		2399
1769	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1778		2409
1779	=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	};
1780		2425
1781	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2427	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1786		2431
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2433
1789	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1794	}	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 (@_);
1795	}	2459	}
1796		2460
1797	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1798		2462
1799	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1812		2476
1813	=item $player_object->enter_link	2477	=item $player_object->enter_link
1814		2478
1815	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}>).
1816		2480
1817	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.
1818	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.
1819		2485
1820	Will never block.	2486	Will never block.
1821		2487
1822	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1823		2489
…		…
1846	$self->deactivate_recursive;	2512	$self->deactivate_recursive;
1847		2513
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2514	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2515
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2516	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2517	if $self->map && $self->map->{path} ne "{link}";
1852		2518
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2519	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2520	}
1855		2521
1856	sub cf::object::player::leave_link {	2522	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2523	my ($self, $map, $x, $y) = @_;
		2524
		2525	return unless $self->contr->active;
1858		2526
1859	my $link_pos = delete $self->{_link_pos};	2527	my $link_pos = delete $self->{_link_pos};
1860		2528
1861	unless ($map) {	2529	unless ($map) {
1862	# restore original map position	2530	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1879		2547
1880	$map->load;	2548	$map->load;
1881	$map->load_diag;	2549	$map->load_neighbours;
1882		2550
1883	return unless $self->contr->active;	2551	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2552
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
1888	}
1889		2555
1890	cf::player->attach (	2556	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2557	$self->activate_recursive;
1892	my ($pl) = @_;	2558	}
1893		2559
1894	# abort map switching before logout	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2561
1904	# try to abort aborted map switching on player login :)	2562	Moves the player to the given map-path and coordinates by first freezing
1905	# should happen only on crashes	2563	her, loading and preparing them map, calling the provided $check callback
1906	if ($pl->ob->{_link_pos}) {	2564	that has to return the map if sucecssful, and then unfreezes the player on
1907	$pl->ob->enter_link;	2565	the new (success) or old (failed) map position. In either case, $done will
1908	(async {	2566	be called at the end of this process.
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2567
1922	=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 >>.
1923		2570
1924	=cut	2571	=cut
		2572
		2573	our $GOTOGEN;
1925		2574
1926	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1927	my ($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;
1928		2580
1929	$self->enter_link;	2581	$self->enter_link;
1930		2582
1931	(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
1932	my $map = eval {	2605	my $map = eval {
1933	my $map = cf::map::find $path;	2606	my $map = defined $path ? cf::map::find $path : undef;
		2607
		2608	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2621	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2622
		2623	if ($gen == $self->{_goto_generation}) {
		2624	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
		2626	}
		2627
		2628	$done->() if $done;
1940	})->prio (1);	2629	})->prio (1);
1941	}	2630	}
1942		2631
1943	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1944		2633
…		…
1964	}	2653	}
1965		2654
1966	sub prepare_random_map {	2655	sub prepare_random_map {
1967	my ($exit) = @_;	2656	my ($exit) = @_;
1968		2657
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2660	# that depends on the exit object
1974		2661
1975	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2664	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
1982	}	2671	}
1983		2672
1984	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
1985		2674
1986	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
1989		2678
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2681	undef $fh;
1993	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
1994		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
1997	}	2690	}
1998	}	2691	}
1999		2692
2000	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
2002		2695
2003	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
2004		2697
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2698	$self->enter_link;
2017		2699
2018	(async {	2700	(async {
2019	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
2022		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
2023	1;	2724	1
2024	}) {	2725	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2730
2030	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2049		2750
2050	utf8::encode $text;	2751	utf8::encode $text;
2051	$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);
2052	}	2753	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2915	=item $client->ext_msg ($type, @msg)
2055		2916
2056	Sends an exti event to the client.	2917	Sends an ext event to the client.
2057		2918
2058	=cut	2919	=cut
2059		2920
2060	sub cf::client::ext_event($$%) {	2921	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2922	my ($self, $type, @msg) = @_;
2062		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2927	push @msg, msgtype => "event_$type";
2064	$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	}
2065	}	2948	}
2066		2949
2067	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
2068		2951
2069	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2955
2073	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
2074	reliable at some point in the future.	2957	become reliable at some point in the future.
2075		2958
2076	=cut	2959	=cut
2077		2960
2078	sub cf::client::query {	2961	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2970	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2972
2090	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
2092	}	2977	}
2093		2978
2094	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	},
2095	on_reply => sub {	2985	on_reply => sub {
2096	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
2097		2987
2098	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
2099	# get handled first	2989	# get handled first
…		…
2111	} else {	3001	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3003	}
2114	}	3004	}
2115	},	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	},
2116	);	3032	);
2117		3033
2118	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
2119		3035
2120	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
2163		3079
2164	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
2165		3081
2166	$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	));
2167		3087
2168	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
2169		3089
2170	=pod	3090	=pod
2171		3091
2172	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2173		3093
2174	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
2175	cf::object::player player	3099	cf::object::player
2176	cf::player peaceful	3100	player
2177	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
2178		3107
2179	=cut	3108	=cut
2180		3109
2181	for (	3110	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2186	) {	3117	) {
2187	no strict 'refs';	3118	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2206	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2207		3138
2208	my $qcode = $code;	3139	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2211		3144
2212	local $_;	3145	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2214		3147
2215	my $eval =	3148	my $eval =
…		…
2258	=back	3191	=back
2259		3192
2260	=cut	3193	=cut
2261		3194
2262	#############################################################################	3195	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3196	# the server's init and main functions
2336		3197
2337	sub load_facedata {	3198	sub load_facedata($) {
2338	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;
2339		3206
2340	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2341		3208
2342	my $facedata;	3209	my $facedata;
2343	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2347		3214
2348	$facedata->{version} == 2	3215	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3225	{
2352	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2353		3227
2354	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3235
		3236	cf::cede_to_tick;
2360	}	3237	}
2361		3238
2362	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2364	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2365	or next;	3243	or next;
		3244
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3248	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3250	}
2371	Coro::cede;	3251
		3252	cf::cede_to_tick;
2372	}	3253	}
2373	}	3254	}
2374		3255
2375	{	3256	{
2376	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2377		3258
2378	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3261	cf::cede_to_tick;
2381	}	3262	}
2382		3263
2383	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2384	}	3265	}
2385		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);
		3301
2386	1	3302	1
2387	}	3303	}
2388		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
2389	sub load_archetypes {	3362	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3363	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3364	or die "unable to load archetypes\n";
2392	}	3365	}
2393		3366
2394	sub load_treasures {	3367	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
2396	}	3370	}
2397		3371
2398	sub reload_resources {	3372	sub reload_resources {
2399	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2400		3374
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3375	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3376	reload_archetypes;
2406	or die "unable to load archetypes\n";	3377	reload_regions;
2407	load_treasures	3378	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3379
2410	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2411	}	3381	}
2412		3382
2413	sub init {	3383	sub reload_config {
2414	reload_resources;
2415	}
2416
2417	sub cfg_load {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3385	or return;
2420		3386
2421	local $/;	3387	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2423		3389
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3391
2426	$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};
2427	$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};
…		…
2433	};	3399	};
2434	warn $@ if $@;	3400	warn $@ if $@;
2435	}	3401	}
2436	}	3402	}
2437		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
2438	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
2439	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2441	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#
2442	(async {	3450	(async {
2443	Event::one_event;	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
2445	};	3454	};
2446		3455
2447	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
2448	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
2449	load_extensions;	3474	load_extensions;
2450		3475
2451	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
2452	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;
2453	}	3486	}
2454		3487
2455	#############################################################################	3488	#############################################################################
2456	# initialisation and cleanup	3489	# initialisation and cleanup
2457		3490
2458	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2459	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2468	},
2469	);	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
2470	}	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 };
2471	}	3585	}
2472		3586
2473	sub emergency_save() {	3587	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2475		3589
2476	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2477		3591
2478	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
2479	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3606	$pl->save;
2487	}	3607	}
2488	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2489		3609
2490	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2491	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3613	$map->valid or next;
2494	$map->save;	3614	$map->save;
2495	}	3615	}
2496	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
2497		3617
2498	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
2500	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";
2501	};	3625	};
2502		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
2503	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2504	}	3633	}
2505		3634
2506	sub post_cleanup {	3635	sub post_cleanup {
2507	my ($make_core) = @_;	3636	my ($make_core) = @_;
2508		3637
2509	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3639	if $make_core;
2511	}
2512		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 $pkg\n";#d#
		3669	}
		3670
2513	sub reload() {	3671	sub do_reload_perl() {
2514	# can/must only be called in main	3672	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
2517	return;	3675	return;
2518	}	3676	}
2519		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2520	warn "reloading...";	3683	warn "reloading...";
2521		3684
2522	warn "entering sync_job";	3685	warn "entering sync_job";
2523		3686
2524	cf::sync_job {	3687	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3689	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
2528		3691
2529	warn "syncing database to disk";	3692	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3694
2532	# 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
2533		3696
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3700	}
2570		3701
2571	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
2573	}	3704	%EXT_CORO = ();
2574		3705
2575	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3715	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3716
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2586	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2587	}	3726	}
2588		3727
2589	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 $k;
2590	}	3743	}
2591		3744
2592	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2594	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);
2595		3748
2596	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
		3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		3752
2599	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3754	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2602		3756
2603	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
2604		3758
2605	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2606	require cf;	3760	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3762
2609	warn "loading config and database again";	3763	warn "loading config and database again";
2610	cf::cfg_load;	3764	cf::reload_config;
2611		3765
2612	warn "loading extensions";	3766	warn "loading extensions";
2613	cf::load_extensions;	3767	cf::load_extensions;
2614		3768
		3769	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
2621		3777
2622	warn "loading reloadable resources";	3778	warn "running post_init jobs";
2623	reload_resources;	3779	(pop @POST_INIT)->(1) while @POST_INIT;
2624		3780
2625	warn "leaving sync_job";	3781	warn "leaving sync_job";
2626		3782
2627	1	3783	1
2628	} or do {	3784	} or do {
2629	warn $@;	3785	warn $@;
2630	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3787	};
		3788
		3789	warn "reloaded";
		3790	--$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	};
2632	};	3810	};
2633		3811	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3812
2639	register_command "reload" => sub {	3813	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2641		3815
2642	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3817	$who->message ("reloading server.");
2644		3818	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3819	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3820	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3821	};
2657	}	3822	}
2658	};	3823	};
2659		3824
2660	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2661		3826
…		…
2663		3828
2664	our @WAIT_FOR_TICK;	3829	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3830	our @WAIT_FOR_TICK_BEGIN;
2666		3831
2667	sub wait_for_tick {	3832	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3833	return if tick_inhibit || $Coro::current == $Coro::main;
2670		3834
2671	my $signal = new Coro::Signal;	3835	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3836	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3837	$signal->wait;
2674	}	3838	}
2675		3839
2676	sub wait_for_tick_begin {	3840	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
2679		3842
2680	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3844	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3845	$signal->wait;
2683	}	3846	}
2684		3847
2685	$TICK_WATCHER = Event->timer (	3848	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
2695	return;	3852	return;
2696	}	3853	}
2697		3854
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2701		3856
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3859	Coro::async_pool {
		3860	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3861	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3863	};
		3864	}
2712		3865
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3867	$sig->send;
2724	}	3868	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3869	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3870	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	3871	}
2731	);	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	}
2732		3884
2733	{	3885	{
2734	BDB::max_poll_time $TICK * 0.1;	3886	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3887
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
2744		3889	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3890	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3891
2760	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
2761	$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);
2762		3899
2763	cf::sync_job {	3900	cf::sync_job {
2764	eval {	3901	eval {
2765	BDB::db_env_open	3902	BDB::db_env_open
2766	$DB_ENV,	3903	$DB_ENV,
2767	$BDB_ENV_DIR,	3904	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3905	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3907	0666;
2771		3908
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3910	};
2777		3911
2778	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3913	};
2780	}	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	};
2781	}	3925	}
2782		3926
2783	{	3927	{
		3928	# configure IO::AIO
		3929
2784	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	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;
2797		3979
2798	END { cf::emergency_save }	3980	END { cf::emergency_save }
2799		3981
2800	1	3982	1
2801		3983

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