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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
48	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	87	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		88
52	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	90	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	107	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	113	our $DB_ENV;
62		114
63	our %CFG;	115	our %CFG;
64		116
65	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
67		120
68	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		124
77	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		136
80	binmode STDOUT;	137	binmode STDOUT;
81	binmode STDERR;	138	binmode STDERR;
82		139
83	# read virtual server time, if available	140	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	142	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
88	}	145	}
89		146
90	mkdir cf::localdir;	147	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		149
97	our $EMERGENCY_POSITION;	150	our $EMERGENCY_POSITION;
98		151
99	sub cf::map::normalise;	152	sub cf::map::normalise;
100		153
…		…
111	=item $cf::RUNTIME	164	=item $cf::RUNTIME
112		165
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	166	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	167	every server tick.
115		168
116	=item $cf::LIBDIR	169	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		170	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		171	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		172
118	The perl library directory, where extensions and cf-specific modules can	173	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	174	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		175	unique-items directory, player file directory, random maps directory and
		176	database environment.
120		177
121	=item $cf::NOW	178	=item $cf::NOW
122		179
123	The time of the last (current) server tick.	180	The time of the last (current) server tick.
124		181
125	=item $cf::TICK	182	=item $cf::TICK
126		183
127	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
128		185
		186	=item $cf::LOADAVG
		187
		188	The current CPU load on the server (alpha-smoothed), as a value between 0
		189	(none) and 1 (overloaded), indicating how much time is spent on processing
		190	objects per tick. Healthy values are < 0.5.
		191
		192	=item $cf::LOAD
		193
		194	The raw value load value from the last tick.
		195
129	=item %cf::CFG	196	=item %cf::CFG
130		197
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	199	from wherever your confdir points to.
133		200
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		202
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	204	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
140		212
141	=back	213	=back
142		214
143	=cut	215	=cut
144		216
145	BEGIN {	217	BEGIN {
146	*CORE::GLOBAL::warn = sub {	218	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	219	my $msg = join "", @_;
148	utf8::encode $msg;
149		220
150	$msg .= "\n"	221	$msg .= "\n"
151	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
152		223
		224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		225
153	LOG llevError, $msg;	226	LOG llevError, $msg;
154	};	227	};
155	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
156		244
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	249	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		250	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	251	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		252
164	# we bless all objects into (empty) derived classes to force a method lookup	253	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	254	# within the Safe compartment.
166	for my $pkg (qw(	255	for my $pkg (qw(
167	cf::global cf::attachable	256	cf::global cf::attachable
168	cf::object cf::object::player	257	cf::object cf::object::player
169	cf::client cf::player	258	cf::client cf::player
170	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
171	cf::map cf::party cf::region	261	cf::party cf::region
172	)) {	262	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	264	}
176		265
177	$Event::DIED = sub {	266	$EV::DIED = sub {
178	warn "error in event callback: @_";	267	warn "error in event callback: @_";
179	};	268	};
		269
		270	#############################################################################
180		271
181	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
182		273
183	=over 4	274	=over 4
184		275
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	295	$d
205	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
206	}	297	}
207		298
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
211		300
212	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
213		302
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
222		304
223	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
224		306
225	=cut	307	=cut
226		308
227	sub to_json($) {	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	310
229	JSON::Syck::Dump $_[0]	311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
230	}	326	}
231		327
232	=item cf::lock_wait $string	328	=item cf::lock_wait $string
233		329
234	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
…		…
238	Wait until the given lock is available and then acquires it and returns	334	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
241	returned.	337	returned.
242		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
243	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
245		344
		345	=item $locked = cf::lock_active $string
		346
		347	Return true if the lock is currently active, i.e. somebody has locked it.
		348
246	=cut	349	=cut
247		350
248	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
249		353
250	sub lock_wait($) {	354	sub lock_wait($) {
251	my ($key) = @_;	355	my ($key) = @_;
252		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
253	# wait for lock, if any	362	# wait for lock, if any
254	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
255	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	366	Coro::schedule;
257	}	367	}
258	}	368	}
259		369
…		…
262		372
263	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
264	lock_wait $key;	374	lock_wait $key;
265		375
266	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
267		378
268	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
271	}	383	}
272	}	384	}
273		385
		386	sub lock_active($) {
		387	my ($key) = @_;
		388
		389	! ! $LOCK{$key}
		390	}
		391
274	sub freeze_mainloop {	392	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
276		394
277	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
279	};	456	}
280	$TICK_WATCHER->stop;	457	};
281	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
282	}	471	}
283		472
284	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
285		474
286	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		480
292	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
293		482
294	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
295		484
296	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
299		489
300	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
303	fast or be very important.	493	fast or be very important.
…		…
306		496
307	sub sync_job(&) {	497	sub sync_job(&) {
308	my ($job) = @_;	498	my ($job) = @_;
309		499
310	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
311	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
313		505
314	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	507
316	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
317		509
318	my $busy = 1;	510	my $busy = 1;
319	my @res;	511	my @res;
320		512
321	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	515	@res = eval { $job->() };
323	warn $@ if $@;	516	warn $@ if $@;
324	undef $busy;	517	undef $busy;
325	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
326		519
327	while ($busy) {	520	while ($busy) {
328	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
329	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
330		531
331	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
332	} else {	533	} else {
333	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
334		535
…		…
354	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
355		556
356	$coro	557	$coro
357	}	558	}
358		559
359	sub write_runtime {	560	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		561
362	my $runtime = cf::localdir . "/runtime";	562	Executes the given code block with the given arguments in a seperate
		563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
363		566
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	567	=cut
365	or return;
366		568
367	my $value = $cf::RUNTIME + 90 + 10;	569	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	570	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		571
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	572	# we seemingly have to make a local copy of the whole thing,
372	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
373		575
374	# always fsync - this file is important	576	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	577	reset_signals;
376	and return;	578	&$cb
		579	}, @args;
377		580
378	close $fh	581	wantarray ? @res : $res[-1]
379	or return;	582	}
380		583
381	aio_rename "$runtime~", $runtime	584	=item $coin = coin_from_name $name
382	and return;
383		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
384	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	747	}
386		748
387	=back	749	=back
388		750
389	=cut	751	=cut
390		752
391	#############################################################################	753	#############################################################################
392		754
393	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
394		756
395	Many objects in crossfire are so-called attachable objects. That means you can	757	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")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
398		760
399	In the following description, CLASS can be any of C<global>, C<object>	761	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	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	763	Deliantra).
402		764
403	=over 4	765	=over 4
404		766
405	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
406		768
…		…
450	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
451		813
452	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
454		816
455	Some classes such as crossfire maps and objects can specify attachments	817	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.	818	that are attached at load/instantiate time, thus the need for a name.
457		819
458	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
459		821
460	=over 4	822	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
570		932
571	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		937
576	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	939	my $pkg = shift @arg;
578		940
579	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
609	}	971	}
610		972
611	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
612	} else {	974	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	976	}
615		977
616	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
617	}	979	}
618		980
…		…
620	if (ref $_[0]) {	982	if (ref $_[0]) {
621	_object_attach @_;	983	_object_attach @_;
622	} else {	984	} else {
623	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
624	}	986	}
		987	_recalc_want;
625	};	988	};
626		989
627	# all those should be optimised	990	# all those should be optimised
628	sub cf::attachable::detach {	991	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
633	reattach ($obj);	996	reattach ($obj);
634	} else {	997	} else {
635	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
636	}	999	}
		1000	_recalc_want;
637	};	1001	};
638		1002
639	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
641		1005
…		…
656	";	1020	";
657	die if $@;	1021	die if $@;
658	}	1022	}
659		1023
660	our $override;	1024	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1026
663	sub override {	1027	sub override {
664	$override = 1;	1028	$override = 1;
665	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
666	}	1030	}
667		1031
668	sub do_invoke {	1032	sub do_invoke {
669	my $event = shift;	1033	my $event = shift;
670	my $callbacks = shift;	1034	my $callbacks = shift;
671		1035
672	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
673		1037
674	local $override;	1038	local $override;
675		1039
676	for (@$callbacks) {	1040	for (@$callbacks) {
677	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
686	}	1050	}
687		1051
688	0	1052	0
689	}	1053	}
690		1054
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1056
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1058
695	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
696		1060
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	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	1062	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1064
701	=back	1065	=back
702		1066
703	=cut	1067	=cut
704		1068
705	#############################################################################	1069	#############################################################################
706	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
707		1113
708	sub reattach {	1114	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1116	my ($obj) = @_;
711		1117
		1118	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1120
714	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
715		1122
716	@$registry = ();	1123	@$registry = ();
717		1124
…		…
732	cf::attachable->attach (	1139	cf::attachable->attach (
733	prio => -1000000,	1140	prio => -1000000,
734	on_instantiate => sub {	1141	on_instantiate => sub {
735	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
736		1143
737	$data = from_json $data;	1144	$data = decode_json $data;
738		1145
739	for (@$data) {	1146	for (@$data) {
740	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
741		1148
742	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1165	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
760		1167
761	sync_job {	1168	sync_job {
762	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
765		1173
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1178	aio_close $fh;
771		1179
772	if (@$objs) {	1180	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1186	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
780	}	1188	}
781	} else {	1189	} else {
782	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
783	}	1191	}
784		1192
785	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1197	} else {
787	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
788	}	1199	}
789	} else {	1200	} else {
790	aio_unlink $filename;	1201	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
792	}	1203	}
793	}	1204	};
794	}	1205	}
795		1206
796	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
798		1209
…		…
810	or return;	1221	or return;
811		1222
812	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
814	or return;	1225	or return;
		1226
815	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
816	}	1229	}
817		1230
		1231	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
820	return ($data, $av);	1235	($data, $av)
821	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
822		1243
823	#############################################################################	1244	#############################################################################
824	# command handling &c	1245	# command handling &c
825		1246
826	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1261	}
841		1262
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1264
844	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
845		1270
846	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
847	called.	1272	called.
848		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
849	=cut	1285	=cut
850		1286
851	sub register_extcmd {	1287	sub register_extcmd {
852	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
853		1289
854	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
855	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
856		1300
857	cf::player->attach (	1301	cf::player->attach (
858	on_command => sub {	1302	on_command => sub {
859	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
860		1304
…		…
868	cf::override;	1312	cf::override;
869	},	1313	},
870	on_extcmd => sub {	1314	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
872		1316
873	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1318
875	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
881	} else {	1334	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1336	}
884		1337
885	cf::override;	1338	cf::override;
886	},	1339	},
887	);	1340	);
888		1341
		1342	# "readahead" all extensions
889	sub load_extension {	1343	sub cache_extensions {
890	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
891		1345
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
893	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1348	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	}	1349	}
917	die $@;
918	}	1350	};
919		1351
920	push @EXTS, $pkg;	1352	$grp
921	}	1353	}
922		1354
923	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
924	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1360	next unless -r $path;
926	eval {	1361
927	load_extension $ext;	1362	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1363	my $base = $1;
		1364	my $pkg = $1;
		1365	$pkg =~ s/[^[:word:]]/_/g;
		1366	$pkg = "ext::$pkg";
		1367
		1368	open my $fh, "<:utf8", $path
		1369	or die "$path: $!";
		1370
		1371	my $source = do { local $/; <$fh> };
		1372
		1373	my %ext = (
		1374	path => $path,
		1375	base => $base,
		1376	pkg => $pkg,
		1377	);
		1378
		1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1381
		1382	$ext{source} =
		1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1384	. "#line 1 \"$path\"\n{\n"
		1385	. $source
		1386	. "\n};\n1";
		1387
		1388	$todo{$base} = \%ext;
		1389	}
		1390
		1391	my %done;
		1392	while (%todo) {
		1393	my $progress;
		1394
		1395	while (my ($k, $v) = each %todo) {
		1396	for (split /,\s*/, $v->{meta}{depends}) {
		1397	goto skip
		1398	unless exists $done{$_};
		1399	}
		1400
		1401	warn "... loading '$k' into '$v->{pkg}'\n";
		1402
		1403	unless (eval $v->{source}) {
		1404	my $msg = $@ ? "$v->{path}: $@\n"
		1405	: "$v->{base}: extension inactive.\n";
		1406
		1407	if (exists $v->{meta}{mandatory}) {
		1408	warn $msg;
		1409	cf::cleanup "mandatory extension failed to load, exiting.";
		1410	}
		1411
		1412	warn $msg;
		1413	}
		1414
		1415	$done{$k} = delete $todo{$k};
		1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
928	1	1418	}
929	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
930	}	1424	};
931	}	1425	}
932		1426
933	#############################################################################	1427	#############################################################################
934		1428
		1429	=back
		1430
935	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
936		1432
937	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
938		1434
939	=cut	1435	=cut
940		1436
941	package cf::player;	1437	package cf::player;
942		1438
…		…
944		1440
945	=head3 cf::player	1441	=head3 cf::player
946		1442
947	=over 4	1443	=over 4
948		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
		1458
949	=item cf::player::find $login	1459	=item cf::player::find $login
950		1460
951	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
952		1462
953	=cut	1463	=cut
954		1464
955	sub playerdir($) {	1465	sub playerdir($) {
956	cf::localdir	1466	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1468	}
962		1469
963	sub path($) {	1470	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1472
966	(playerdir $login) . "/$login.pl"	1473	(playerdir $login) . "/playerdata"
967	}	1474	}
968		1475
969	sub find_active($) {	1476	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1477	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1478	and $cf::PLAYER{$_[0]}->active
…		…
974		1481
975	sub exists($) {	1482	sub exists($) {
976	my ($login) = @_;	1483	my ($login) = @_;
977		1484
978	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
980	}	1487	}
981		1488
982	sub find($) {	1489	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1491	my $login = $_[0];
985		1492
986	my $guard = cf::lock_acquire "user_find:$login";	1493	my $guard = cf::lock_acquire "user_find:$login";
987		1494
988	$cf::PLAYER{$_[0]} || do {	1495	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1496	# rename old playerfiles to new ones
		1497	#TODO: remove when no longer required
		1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1501	aio_unlink +(playerdir $login) . "/$login.pl";
		1502
		1503	my $f = new_from_file cf::object::thawer path $login
990	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
992	}	1512	}
993	}	1513	}
994	}	1514	}
995		1515
…		…
1004	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1005		1525
1006	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1008		1528
		1529	cf::get_slot 0.01;
		1530
1009	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1010	Coro::cede;	1532	cf::cede_to_tick;
1011	}	1533	}
1012		1534
1013	sub new($) {	1535	sub new($) {
1014	my ($login) = @_;	1536	my ($login) = @_;
1015		1537
…		…
1021	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1022		1544
1023	$self	1545	$self
1024	}	1546	}
1025		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1026	=item $pl->quit_character	1558	=item $pl->quit_character
1027		1559
1028	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1030		1562
…		…
1034	my ($pl) = @_;	1566	my ($pl) = @_;
1035		1567
1036	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1037		1569
1038	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1572
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1045		1579
1046	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1078		1612
1079	=cut	1613	=cut
1080		1614
1081	sub list_logins {	1615	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1617	or return [];
1084		1618
1085	my @logins;	1619	my @logins;
1086		1620
1087	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1091		1631
1092	utf8::decode $login;	1632	utf8::decode $login;
1093	push @logins, $login;	1633	push @logins, $login;
1094	}	1634	}
1095		1635
…		…
1122	}	1662	}
1123		1663
1124	\@paths	1664	\@paths
1125	}	1665	}
1126		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1128		1672
1129	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1130		1674
1131	=cut	1675	=cut
1132		1676
1133	sub ext_reply($$$%) {	1677	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1135		1679
1136	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1681	}
1140		1682
1141	package cf;	1683	=item $player->ext_msg ($type, @msg)
		1684
		1685	Sends an ext event to the client.
		1686
		1687	=cut
		1688
		1689	sub ext_msg($$@) {
		1690	my ($self, $type, @msg) = @_;
		1691
		1692	$self->ns->ext_msg ($type, @msg);
		1693	}
		1694
		1695	=head3 cf::region
		1696
		1697	=over 4
		1698
		1699	=cut
		1700
		1701	package cf::region;
		1702
		1703	=item cf::region::find_by_path $path
		1704
		1705	Tries to decuce the likely region for a map knowing only its path.
		1706
		1707	=cut
		1708
		1709	sub find_by_path($) {
		1710	my ($path) = @_;
		1711
		1712	my ($match, $specificity);
		1713
		1714	for my $region (list) {
		1715	if ($region->{match} && $path =~ $region->{match}) {
		1716	($match, $specificity) = ($region, $region->specificity)
		1717	if $region->specificity > $specificity;
		1718	}
		1719	}
		1720
		1721	$match
		1722	}
1142		1723
1143	=back	1724	=back
1144
1145		1725
1146	=head3 cf::map	1726	=head3 cf::map
1147		1727
1148	=over 4	1728	=over 4
1149		1729
…		…
1161	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1163		1743
1164	sub generate_random_map {	1744	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1166	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1750	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1205		1788
1206	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1207	local $self->{path};	1790	local $self->{path};
1208	local $self->{load_path};	1791	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1792
1212	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1213	}	1794	}
1214		1795
1215	sub normalise {	1796	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1263	return $self;	1844	return $self;
1264	}	1845	}
1265	}	1846	}
1266		1847
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1849	()
1269	}	1850	}
1270		1851
1271	sub init {	1852	sub init {
1272	my ($self) = @_;	1853	my ($self) = @_;
…		…
1287		1868
1288	# the original (read-only) location	1869	# the original (read-only) location
1289	sub load_path {	1870	sub load_path {
1290	my ($self) = @_;	1871	my ($self) = @_;
1291		1872
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1873	"$MAPDIR/$self->{path}.map"
1293	}	1874	}
1294		1875
1295	# the temporary/swap location	1876	# the temporary/swap location
1296	sub save_path {	1877	sub save_path {
1297	my ($self) = @_;	1878	my ($self) = @_;
1298		1879
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1881	"$TMPDIR/$path.map"
1301	}	1882	}
1302		1883
1303	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1304	sub uniq_path {	1885	sub uniq_path {
1305	my ($self) = @_;	1886	my ($self) = @_;
1306		1887
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1889	"$UNIQUEDIR/$path"
1309	}	1890	}
1310		1891
1311	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1312	# all maps in C++...	1893	# all maps in C++...
1313	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1315		1896
1316	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1318	}	1899	}
1319		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1320	sub unlink_save {	1909	sub unlink_save {
1321	my ($self) = @_;	1910	my ($self) = @_;
1322		1911
1323	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1916
1328	sub load_header_from($) {	1917	sub load_header_from($) {
1329	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1330		1919
1331	utf8::encode $path;	1920	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1337		1929
1338	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1339		1931
1340	1	1932	1
1341	}	1933	}
…		…
1380	$self->load_header_orig	1972	$self->load_header_orig
1381	or return;	1973	or return;
1382	$self->prepare_orig;	1974	$self->prepare_orig;
1383	}	1975	}
1384		1976
		1977	$self->{deny_reset} = 1
		1978	if $self->no_reset;
		1979
		1980	$self->default_region (cf::region::find_by_path $self->{path})
		1981	unless $self->default_region;
		1982
1385	1	1983	1
1386	}	1984	}
1387		1985
1388	sub find;	1986	sub find;
1389	sub find {	1987	sub find {
1390	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1391		1989
1392	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1393		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1395		1994
1396	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1397	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1398	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1399	or return;	2000	or return;
1400		2001
1401	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1402		2003
1403	$map->load_header	2004	$map->load_header
1404	or return;	2005	or return;
1405		2006
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1409	$map->reset;	2012	$map->reset;
1410	undef $guard;
1411	return find $path;	2013	return find $path;
1412	}	2014	}
1413		2015
1414	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1415	}	2017	}
…		…
1422	my ($self) = @_;	2024	my ($self) = @_;
1423		2025
1424	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1425		2027
1426	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1428		2032
		2033	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2035
1431	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1432		2037
1433	$self->alloc;	2038	$self->alloc;
1434		2039
1435	$self->pre_load;	2040	$self->pre_load;
		2041	cf::cede_to_tick;
1436		2042
1437	$self->_load_objects ($self->{load_path}, 1)	2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
		2045	$self->_load_objects ($f)
1438	or return;	2046	or return;
1439		2047
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1441	if delete $self->{load_original};	2049	if delete $self->{load_original};
1442		2050
1443	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2052	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2055	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1448	}	2059	}
1449	}	2060	}
1450		2061
1451	Coro::cede;	2062	$f->resolve_delayed_derefs;
1452		2063
		2064	cf::cede_to_tick;
1453	# now do the right thing for maps	2065	# now do the right thing for maps
1454	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2068	unless $self->difficulty;
1464	Coro::cede;	2069	cf::cede_to_tick;
		2070
		2071	unless ($self->{deny_activate}) {
		2072	$self->decay_objects;
		2073	$self->fix_auto_apply;
		2074	$self->update_buttons;
		2075	cf::cede_to_tick;
		2076	$self->set_darkness_map;
		2077	cf::cede_to_tick;
1465	$self->activate;	2078	$self->activate;
		2079	}
		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
		2084	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2085	}
1467		2086
1468	$self->post_load;	2087	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2088	}
1472		2089
1473	sub customise_for {	2090	sub customise_for {
1474	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1475		2092
1476	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2094	if $self->per_player;
1478		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1479	$self	2099	$self
1480	}	2100	}
1481		2101
1482	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2103	sub load_neighbours {
1484	my ($map) = @_;	2104	my ($map) = @_;
1485		2105
1486	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1487		2107
1488	for (0 .. 3) {	2108	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1490	or next;	2110	or next;
1491	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1492	or next;	2112	or next;
1493	$neigh->load;	2113	$neigh->load;
1494		2114
		2115	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2118	}
1498		2119
1499	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1501	or next;	2123	or next;
1502	$neigh->load;	2124	$neigh->load;
1503	}	2125	}
1504	}	2126	}
1505		2127
…		…
1510	}	2132	}
1511		2133
1512	sub do_load_sync {	2134	sub do_load_sync {
1513	my ($map) = @_;	2135	my ($map) = @_;
1514		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1515	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1516	}	2141	}
1517		2142
1518	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1520		2145
1521	sub find_async {	2146	sub find_async {
1522	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1523		2148
1524	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1525		2150
1526	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2153	}
1529		2154
1530	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1531	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1532	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2162	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2163	$map->load if $v;
		2164	}
1537		2165
1538	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1539	}	2167	}
1540	}	2168	}
1541	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1542	};	2170	};
1543	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2174	}
1547		2175
1548	sub save {	2176	sub save {
1549	my ($self) = @_;	2177	my ($self) = @_;
1550		2178
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2180
1553	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1554		2182
1555	return unless $self->dirty;	2183	return unless $self->dirty;
1556		2184
…		…
1562	return if $self->{deny_save};	2190	return if $self->{deny_save};
1563		2191
1564	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1565		2193
1566	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1568	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1569		2200
1570	if ($uniq) {	2201	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2204	} else {
…		…
1579	my ($self) = @_;	2210	my ($self) = @_;
1580		2211
1581	# save first because save cedes	2212	# save first because save cedes
1582	$self->save;	2213	$self->save;
1583		2214
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2216
1586	return if $self->players;	2217	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2219	return if $self->{deny_save};
1589		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2225	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2226	}
1593		2227
1594	sub reset_at {	2228	sub reset_at {
1595	my ($self) = @_;	2229	my ($self) = @_;
1596		2230
1597	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1600		2233
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2236
…		…
1614	my ($self) = @_;	2247	my ($self) = @_;
1615		2248
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2250
1618	return if $self->players;	2251	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2252
1621	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
1622		2254
1623	$self->in_memory (cf::MAP_SWAPPED);	2255	$self->in_memory (cf::MAP_SWAPPED);
1624		2256
1625	# need to save uniques path	2257	# need to save uniques path
1626	unless ($self->{deny_save}) {	2258	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2262	if $uniq;
1631	}	2263	}
1632		2264
1633	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1634		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2269	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2270
1639	$self->unlink_save;	2271	$self->unlink_save;
1640	$self->destroy;	2272	$self->destroy;
1641	}	2273	}
1642		2274
1643	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1644		2276
1645	sub nuke {	2277	sub nuke {
1646	my ($self) = @_;	2278	my ($self) = @_;
1647		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1648	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1649		2284
1650	$self->unlink_save;	2285	$self->unlink_save;
1651		2286
1652	bless $self, "cf::map";	2287	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2292
1658	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1659		2295
1660	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
		2297	}
		2298
		2299	=item $maps = cf::map::tmp_maps
		2300
		2301	Returns an arrayref with all map paths of currently instantiated and saved
		2302	maps. May block.
		2303
		2304	=cut
		2305
		2306	sub tmp_maps() {
		2307	[
		2308	map {
		2309	utf8::decode $_;
		2310	/\.map$/
		2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $TMPDIR or [] }
		2314	]
		2315	}
		2316
		2317	=item $maps = cf::map::random_maps
		2318
		2319	Returns an arrayref with all map paths of currently instantiated and saved
		2320	random maps. May block.
		2321
		2322	=cut
		2323
		2324	sub random_maps() {
		2325	[
		2326	map {
		2327	utf8::decode $_;
		2328	/\.map$/
		2329	? normalise "?random/$_"
		2330	: ()
		2331	} @{ aio_readdir $RANDOMDIR or [] }
		2332	]
1661	}	2333	}
1662		2334
1663	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1664		2336
1665	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2338	instantiated unique items. May block.
1667		2339
1668	=cut	2340	=cut
1669		2341
1670	sub unique_maps() {	2342	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1672	or return;	2344	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2345	utf8::decode $_;
1678	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2348	? ()
1681	push @paths, cf::map::normalise $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2351	]
1683
1684	\@paths
1685	}	2352	}
1686
1687	package cf;
1688		2353
1689	=back	2354	=back
1690		2355
1691	=head3 cf::object	2356	=head3 cf::object
1692		2357
…		…
1696		2361
1697	=over 4	2362	=over 4
1698		2363
1699	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1700		2365
1701	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1702		2368
1703	=cut	2369	=cut
1704		2370
1705	sub inv_recursive_;	2371	sub inv_recursive_;
1706	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1709		2375
1710	sub inv_recursive {	2376	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1712	}	2378	}
1713		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1714	package cf;	2408	package cf;
1715		2409
1716	=back	2410	=back
1717		2411
1718	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1727		2421
1728	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1729		2437
1730	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2439	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1735		2443
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2445
1738	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1740	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1743	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1744	}	2471	}
1745		2472
1746	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1747		2474
1748	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1761		2488
1762	=item $player_object->enter_link	2489	=item $player_object->enter_link
1763		2490
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2492
1766	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
1768		2497
1769	Will never block.	2498	Will never block.
1770		2499
1771	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1772		2501
…		…
1795	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1796		2525
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2527
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1801		2530
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2532	}
1804		2533
1805	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1807		2538
1808	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1809		2540
1810	unless ($map) {	2541	unless ($map) {
1811	# restore original map position	2542	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1828		2559
1829	$map->load;	2560	$map->load;
1830	$map->load_diag;	2561	$map->load_neighbours;
1831		2562
1832	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1833	$self->activate_recursive;	2565	$self->activate_recursive;
1834		2566
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1837	}	2569	}
1838		2570
1839	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2572
1843	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1847	};	2577	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2578
1853	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2581
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1874		2585
1875	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
		2588
		2589	# do generation counting so two concurrent goto's will be executed in-order
		2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2591
1878	$self->enter_link;	2592	$self->enter_link;
1879		2593
1880	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
1881	my $map = eval {	2616	my $map = eval {
1882	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2620	$map = $map->customise_for ($self);
		2621	$map = $check->($map) if $check && $map;
		2622	} else {
		2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	}
		2625
1884	$map	2626	$map
		2627	};
		2628
		2629	if ($@) {
		2630	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2632	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1889	})->prio (1);	2640	})->prio (1);
1890	}	2641	}
1891		2642
1892	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1893		2644
…		…
1913	}	2664	}
1914		2665
1915	sub prepare_random_map {	2666	sub prepare_random_map {
1916	my ($exit) = @_;	2667	my ($exit) = @_;
1917		2668
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2671	# that depends on the exit object
1923		2672
1924	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2675	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1931	}	2682	}
1932		2683
1933	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1934		2685
1935	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
1938		2689
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2692	undef $fh;
1942	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
1943		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1946	}	2701	}
1947	}	2702	}
1948		2703
1949	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
1951		2706
1952	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1953		2708
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2709	$self->enter_link;
1964		2710
1965	(async {	2711	(async {
1966	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1967	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
1968	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
1969		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
1970	1;	2735	1
1971	}) {	2736	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2741
1977	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2743	$self->leave_link;
1979	}	2744	}
1980	})->prio (1);	2745	})->prio (1);
…		…
1993		2758
1994	sub cf::client::send_drawinfo {	2759	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2760	my ($self, $text, $flags) = @_;
1996		2761
1997	utf8::encode $text;	2762	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2764	}
2000		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
		2917	=item $client->ext_msg ($type, @msg)
		2918
		2919	Sends an ext event to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_msg($$@) {
		2924	my ($self, $type, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
		2929	push @msg, msgtype => "event_$type";
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
2001		2951
2002	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2003		2953
2004	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2957
2008	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2959	become reliable at some point in the future.
2010		2960
2011	=cut	2961	=cut
2012		2962
2013	sub cf::client::query {	2963	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2972	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2974
2025	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
2027	}	2979	}
2028		2980
2029	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
2030	on_reply => sub {	2987	on_reply => sub {
2031	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
2032		2989
2033	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
2034	# get handled first	2991	# get handled first
…		…
2046	} else {	3003	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3005	}
2049	}	3006	}
2050	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
2051	);	3034	);
2052		3035
2053	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2054		3037
2055	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2098		3081
2099	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2100		3083
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2102		3089
2103	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2104		3091
2105	=pod	3092	=pod
2106		3093
2107	The following fucntions and emthods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2108		3095
2109	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2110	cf::object::player player	3100	cf::object::player
2111	cf::player peaceful	3101	player
2112	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2113		3108
2114	=cut	3109	=cut
2115		3110
2116	for (	3111	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2118	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2121	) {	3118	) {
2122	no strict 'refs';	3119	no strict 'refs';
…		…
2193	=back	3190	=back
2194		3191
2195	=cut	3192	=cut
2196		3193
2197	#############################################################################	3194	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3195	# the server's init and main functions
2271		3196
2272	sub load_faces {	3197	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3198	my ($path) = @_;
2274		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3205
2275	warn "loading faces from $path\n";	3206	warn "loading facedata from $path\n";
2276		3207
2277	my $faces;	3208	my $facedata;
2278	0 < aio_load $path, $faces	3209	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3210	or die "$path: $!";
2280		3211
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3212	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3213
		3214	$facedata->{version} == 2
		3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
		3224	{
		3225	my $faces = $facedata->{faceinfo};
		3226
2285	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3229
		3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3234
		3235	cf::cede_to_tick;
		3236	}
		3237
		3238	while (my ($face, $info) = each %$faces) {
		3239	next unless $info->{smooth};
		3240
		3241	my $idx = cf::face::find $face
		3242	or next;
		3243
		3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
		3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3247	} else {
		3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3249	}
		3250
		3251	cf::cede_to_tick;
		3252	}
		3253	}
		3254
2290	}	3255	{
		3256	my $anims = $facedata->{animinfo};
		3257
		3258	while (my ($anim, $info) = each %$anims) {
		3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3260	cf::cede_to_tick;
		3261	}
		3262
		3263	cf::anim::invalidate_all; # d'oh
		3264	}
		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3300
2292	1	3301	1
2293	}	3302	}
2294		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
		3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
		3347	load_resource_file "$MAPDIR/regions"
		3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
		3354	}
		3355
		3356	sub reload_facedata {
		3357	load_facedata "$DATADIR/facedata"
		3358	or die "unable to load facedata\n";
		3359	}
		3360
		3361	sub reload_archetypes {
		3362	load_resource_file "$DATADIR/archetypes"
		3363	or die "unable to load archetypes\n";
		3364	}
		3365
		3366	sub reload_treasures {
		3367	load_resource_file "$DATADIR/treasures"
		3368	or die "unable to load treasurelists\n";
		3369	}
		3370
2295	sub reload_resources {	3371	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3372	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3373
2298	load_faces	3374	reload_facedata;
2299	or die "unable to load faces\n";#d#	3375	reload_archetypes;
2300	}
2301
2302	sub init {
2303	reload_resources;	3376	reload_regions;
2304	}	3377	reload_treasures;
2305		3378
2306	sub cfg_load {	3379	warn "finished reloading resource files\n";
		3380	}
		3381
		3382	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3384	or return;
2309		3385
2310	local $/;	3386	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2312		3388
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3390
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2322	};	3398	};
2323	warn $@ if $@;	3399	warn $@ if $@;
2324	}	3400	}
2325	}	3401	}
2326		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2327	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2328	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3441	(async {
2332	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2334	};	3445	};
2335		3446
2336	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2337	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2338	load_extensions;	3465	load_extensions;
2339		3466
2340	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2341	Event::loop;	3475	EV::loop;
2342	}	3476	}
2343		3477
2344	#############################################################################	3478	#############################################################################
2345	# initialisation and cleanup	3479	# initialisation and cleanup
2346		3480
2347	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2348	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2357	},
2358	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2359	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2360	}	3575	}
2361		3576
2362	sub emergency_save() {	3577	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2364		3579
2365	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2366		3581
2367	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2368	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3596	$pl->save;
2376	}	3597	}
2377	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2378		3599
2379	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3603	$map->valid or next;
2383	$map->save;	3604	$map->save;
2384	}	3605	}
2385	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2386		3607
2387	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2390	};	3615	};
2391		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2392	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2393	}	3623	}
2394		3624
2395	sub post_cleanup {	3625	sub post_cleanup {
2396	my ($make_core) = @_;	3626	my ($make_core) = @_;
2397		3627
2398	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3629	if $make_core;
2400	}
2401		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
		3659	}
		3660
2402	sub reload() {	3661	sub do_reload_perl() {
2403	# can/must only be called in main	3662	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2406	return;	3665	return;
2407	}	3666	}
2408		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2409	warn "reloading...";	3673	warn "reloading...";
2410		3674
2411	warn "entering sync_job";	3675	warn "entering sync_job";
2412		3676
2413	cf::sync_job {	3677	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3679	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
2417		3681
2418	warn "syncing database to disk";	3682	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3684
2421	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2422		3686
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3690	}
2459		3691
2460	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2462	}	3694	%EXT_CORO = ();
2463		3695
2464	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3705	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3706
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2475	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2476	}	3716	}
2477		3717
2478	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2479	}	3733	}
2480		3734
2481	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3738
2485	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2487		3742
2488	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3744	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2491		3746
2492	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2493		3748
2494	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2495	require cf;	3750	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3752
2498	warn "loading config and database again";	3753	warn "loading config and database again";
2499	cf::cfg_load;	3754	cf::reload_config;
2500		3755
2501	warn "loading extensions";	3756	warn "loading extensions";
2502	cf::load_extensions;	3757	cf::load_extensions;
2503		3758
		3759	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
2510		3767
2511	warn "loading reloadable resources";	3768	warn "running post_init jobs";
2512	reload_resources;	3769	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3770
2514	warn "leaving sync_job";	3771	warn "leaving sync_job";
2515		3772
2516	1	3773	1
2517	} or do {	3774	} or do {
2518	warn $@;	3775	warn $@;
2519	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3777	};
		3778
		3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
		3785	};
		3786
		3787	our $RELOAD_WATCHER; # used only during reload
		3788
		3789	sub reload_perl() {
		3790	# doing reload synchronously and two reloads happen back-to-back,
		3791	# coro crashes during coro_state_free->destroy here.
		3792
		3793	$RELOAD_WATCHER ||= cf::async {
		3794	Coro::AIO::aio_wait cache_extensions;
		3795
		3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3797	do_reload_perl;
		3798	undef $RELOAD_WATCHER;
		3799	};
2521	};	3800	};
2522		3801	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3802
2528	register_command "reload" => sub {	3803	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2530		3805
2531	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
2533		3808	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3809	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3810	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3811	};
2546	}	3812	}
2547	};	3813	};
2548		3814
2549	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2550		3816
2551	my $bug_warning = 0;	3817	my $bug_warning = 0;
2552		3818
2553	$TICK_WATCHER = Event->timer (	3819	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3820	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3821
2556	prio => 0,	3822	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3824
2559	cb => sub {	3825	my $signal = new Coro::Signal;
		3826	push @WAIT_FOR_TICK, $signal;
		3827	$signal->wait;
		3828	}
		3829
		3830	sub wait_for_tick_begin {
		3831	return if tick_inhibit || $Coro::current == $Coro::main;
		3832
		3833	my $signal = new Coro::Signal;
		3834	push @WAIT_FOR_TICK_BEGIN, $signal;
		3835	$signal->wait;
		3836	}
		3837
		3838	sub tick {
2560	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2563	return;	3842	return;
2564	}	3843	}
2565		3844
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3846
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3849	Coro::async_pool {
		3850	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3851	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3853	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3854	}
2592	);	3855
		3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3857	$sig->send;
		3858	}
		3859	while (my $sig = shift @WAIT_FOR_TICK) {
		3860	$sig->send;
		3861	}
		3862
		3863	$LOAD = ($NOW - $TICK_START) / $TICK;
		3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3865
		3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
		3872	}
		3873	}
2593		3874
2594	{	3875	{
2595	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3877
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
2605		3879	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3881
2621	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3889
2624	cf::sync_job {	3890	cf::sync_job {
2625	eval {	3891	eval {
2626	BDB::db_env_open	3892	BDB::db_env_open
2627	$DB_ENV,	3893	$DB_ENV,
2628	$BDB_ENV_DIR,	3894	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3897	0666;
2632		3898
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3900	};
2638		3901
2639	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3903	};
2641	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
2642	}	3915	}
2643		3916
2644	{	3917	{
		3918	# configure IO::AIO
		3919
2645	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3923	}
		3924
		3925	my $_log_backtrace;
		3926
		3927	sub _log_backtrace {
		3928	my ($msg, @addr) = @_;
		3929
		3930	$msg =~ s/\n//;
		3931
		3932	# limit the # of concurrent backtraces
		3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
		3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
		3964	}
		3965	}
		3966
		3967	# load additional modules
		3968	use cf::pod;
2658		3969
2659	END { cf::emergency_save }	3970	END { cf::emergency_save }
2660		3971
2661	1	3972	1
2662		3973

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