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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 1.456 by root, Tue Sep 30 04:00:35 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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
80	binmode STDOUT;	135	binmode STDOUT;
81	binmode STDERR;	136	binmode STDERR;
82		137
83	# read virtual server time, if available	138	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
88	}	143	}
89		144
90	mkdir cf::localdir;	145	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	146	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		147
97	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
98		149
99	sub cf::map::normalise;	150	sub cf::map::normalise;
100		151
…		…
111	=item $cf::RUNTIME	162	=item $cf::RUNTIME
112		163
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	165	every server tick.
115		166
116	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		170
118	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
120		175
121	=item $cf::NOW	176	=item $cf::NOW
122		177
123	The time of the last (current) server tick.	178	The time of the last (current) server tick.
124		179
125	=item $cf::TICK	180	=item $cf::TICK
126		181
127	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
128		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
129	=item %cf::CFG	194	=item %cf::CFG
130		195
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	197	from wherever your confdir points to.
133		198
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		200
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	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	202	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	203	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.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
140		210
141	=back	211	=back
142		212
143	=cut	213	=cut
144		214
145	BEGIN {	215	BEGIN {
146	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	217	my $msg = join "", @_;
148	utf8::encode $msg;
149		218
150	$msg .= "\n"	219	$msg .= "\n"
151	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
152		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
153	LOG llevError, $msg;	224	LOG llevError, $msg;
154	};	225	};
155	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
156		242
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		250
164	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	252	# within the Safe compartment.
166	for my $pkg (qw(	253	for my $pkg (qw(
167	cf::global cf::attachable	254	cf::global cf::attachable
168	cf::object cf::object::player	255	cf::object cf::object::player
169	cf::client cf::player	256	cf::client cf::player
170	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
171	cf::map cf::party cf::region	259	cf::party cf::region
172	)) {	260	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	262	}
176		263
177	$Event::DIED = sub {	264	$EV::DIED = sub {
178	warn "error in event callback: @_";	265	warn "error in event callback: @_";
179	};	266	};
		267
		268	#############################################################################
180		269
181	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
182		271
183	=over 4	272	=over 4
184		273
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	293	$d
205	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
206	}	295	}
207		296
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
211		298
212	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
213		300
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
222		302
223	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
224		304
225	=cut	305	=cut
226		306
227	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
229	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
230	}	324	}
231		325
232	=item cf::lock_wait $string	326	=item cf::lock_wait $string
233		327
234	Wait until the given lock is available. See cf::lock_acquire.	328	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	332	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,	333	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	334	for example when the coroutine gets canceled), the lock is automatically
241	returned.	335	returned.
242		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
243	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
245		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
246	=cut	347	=cut
247		348
248	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
249		351
250	sub lock_wait($) {	352	sub lock_wait($) {
251	my ($key) = @_;	353	my ($key) = @_;
252		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
253	# wait for lock, if any	360	# wait for lock, if any
254	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
255	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	364	Coro::schedule;
257	}	365	}
258	}	366	}
259		367
…		…
262		370
263	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
264	lock_wait $key;	372	lock_wait $key;
265		373
266	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
267		376
268	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
271	}	381	}
272	}	382	}
273		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
274	sub freeze_mainloop {	390	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
276		392
277	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
279	};	454	}
280	$TICK_WATCHER->stop;	455	};
281	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
282	}	469	}
283		470
284	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
285		472
286	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		478
292	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
293		480
294	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
295		482
296	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
299		487
300	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
303	fast or be very important.	491	fast or be very important.
…		…
306		494
307	sub sync_job(&) {	495	sub sync_job(&) {
308	my ($job) = @_;	496	my ($job) = @_;
309		497
310	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
311	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
313		503
314	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	505
316	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
317		507
318	my $busy = 1;	508	my $busy = 1;
319	my @res;	509	my @res;
320		510
321	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	513	@res = eval { $job->() };
323	warn $@ if $@;	514	warn $@ if $@;
324	undef $busy;	515	undef $busy;
325	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
326		517
327	while ($busy) {	518	while ($busy) {
328	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
329	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
330		529
331	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
332	} else {	531	} else {
333	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
334		533
…		…
354	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
355		554
356	$coro	555	$coro
357	}	556	}
358		557
359	sub write_runtime {	558	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		559
362	my $runtime = cf::localdir . "/runtime";	560	Executes the given code block with the given arguments in a seperate
		561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
363		564
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
365	or return;
366		566
367	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		569
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
372	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
373		573
374	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	575	reset_signals;
376	and return;	576	&$cb
		577	}, @args;
377		578
378	close $fh	579	wantarray ? @res : $res[-1]
379	or return;	580	}
380		581
381	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
382	and return;
383		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
384	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	745	}
386		746
387	=back	747	=back
388		748
389	=cut	749	=cut
390		750
391	#############################################################################	751	#############################################################################
392		752
393	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
394		754
395	Many objects in crossfire are so-called attachable objects. That means you can	755	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")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
398		758
399	In the following description, CLASS can be any of C<global>, C<object>	759	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	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	761	Deliantra).
402		762
403	=over 4	763	=over 4
404		764
405	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
406		766
…		…
450	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
451		811
452	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
454		814
455	Some classes such as crossfire maps and objects can specify attachments	815	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.	816	that are attached at load/instantiate time, thus the need for a name.
457		817
458	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
459		819
460	=over 4	820	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
570		930
571	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		935
576	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	937	my $pkg = shift @arg;
578		938
579	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
609	}	969	}
610		970
611	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
612	} else {	972	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	974	}
615		975
616	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
617	}	977	}
618		978
…		…
620	if (ref $_[0]) {	980	if (ref $_[0]) {
621	_object_attach @_;	981	_object_attach @_;
622	} else {	982	} else {
623	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
624	}	984	}
		985	_recalc_want;
625	};	986	};
626		987
627	# all those should be optimised	988	# all those should be optimised
628	sub cf::attachable::detach {	989	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
633	reattach ($obj);	994	reattach ($obj);
634	} else {	995	} else {
635	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
636	}	997	}
		998	_recalc_want;
637	};	999	};
638		1000
639	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
641		1003
…		…
656	";	1018	";
657	die if $@;	1019	die if $@;
658	}	1020	}
659		1021
660	our $override;	1022	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1024
663	sub override {	1025	sub override {
664	$override = 1;	1026	$override = 1;
665	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
666	}	1028	}
667		1029
668	sub do_invoke {	1030	sub do_invoke {
669	my $event = shift;	1031	my $event = shift;
670	my $callbacks = shift;	1032	my $callbacks = shift;
671		1033
672	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
673		1035
674	local $override;	1036	local $override;
675		1037
676	for (@$callbacks) {	1038	for (@$callbacks) {
677	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
686	}	1048	}
687		1049
688	0	1050	0
689	}	1051	}
690		1052
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1054
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1056
695	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
696		1058
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	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	1060	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1062
701	=back	1063	=back
702		1064
703	=cut	1065	=cut
704		1066
705	#############################################################################	1067	#############################################################################
706	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
707		1111
708	sub reattach {	1112	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1114	my ($obj) = @_;
711		1115
		1116	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1118
714	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
715		1120
716	@$registry = ();	1121	@$registry = ();
717		1122
…		…
732	cf::attachable->attach (	1137	cf::attachable->attach (
733	prio => -1000000,	1138	prio => -1000000,
734	on_instantiate => sub {	1139	on_instantiate => sub {
735	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
736		1141
737	$data = from_json $data;	1142	$data = decode_json $data;
738		1143
739	for (@$data) {	1144	for (@$data) {
740	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
741		1146
742	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1163	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
760		1165
761	sync_job {	1166	sync_job {
762	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
765		1171
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1176	aio_close $fh;
771		1177
772	if (@$objs) {	1178	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1184	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
780	}	1186	}
781	} else {	1187	} else {
782	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
783	}	1189	}
784		1190
785	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
786	} else {	1195	} else {
787	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
788	}	1197	}
789	} else {	1198	} else {
790	aio_unlink $filename;	1199	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
792	}	1201	}
793	}	1202	};
794	}	1203	}
795		1204
796	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
798		1207
…		…
810	or return;	1219	or return;
811		1220
812	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
814	or return;	1223	or return;
		1224
815	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
816	}	1227	}
817		1228
		1229	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
820	return ($data, $av);	1233	($data, $av)
821	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
822		1241
823	#############################################################################	1242	#############################################################################
824	# command handling &c	1243	# command handling &c
825		1244
826	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1259	}
841		1260
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1262
844	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
845		1268
846	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
847	called.	1270	called.
848		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
849	=cut	1283	=cut
850		1284
851	sub register_extcmd {	1285	sub register_extcmd {
852	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
853		1287
854	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
855	}	1295	}
856		1296
857	cf::player->attach (	1297	cf::player->attach (
858	on_command => sub {	1298	on_command => sub {
859	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1308	cf::override;
869	},	1309	},
870	on_extcmd => sub {	1310	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
872		1312
873	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1314
875	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
881	} else {	1330	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1332	}
884		1333
885	cf::override;	1334	cf::override;
886	},	1335	},
887	);	1336	);
888		1337
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
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	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
924	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1343	next unless -r $path;
926	eval {	1344
927	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
928	1	1401	}
929	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
930	}	1407	};
931	}	1408	}
932		1409
933	#############################################################################	1410	#############################################################################
934		1411
		1412	=back
		1413
935	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
936		1415
937	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
938		1417
939	=cut	1418	=cut
940		1419
941	package cf::player;	1420	package cf::player;
942		1421
…		…
944		1423
945	=head3 cf::player	1424	=head3 cf::player
946		1425
947	=over 4	1426	=over 4
948		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
949	=item cf::player::find $login	1442	=item cf::player::find $login
950		1443
951	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
952		1445
953	=cut	1446	=cut
954		1447
955	sub playerdir($) {	1448	sub playerdir($) {
956	cf::localdir	1449	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1451	}
962		1452
963	sub path($) {	1453	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1455
966	(playerdir $login) . "/$login.pl"	1456	(playerdir $login) . "/playerdata"
967	}	1457	}
968		1458
969	sub find_active($) {	1459	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1460	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1461	and $cf::PLAYER{$_[0]}->active
…		…
974		1464
975	sub exists($) {	1465	sub exists($) {
976	my ($login) = @_;	1466	my ($login) = @_;
977		1467
978	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
980	}	1470	}
981		1471
982	sub find($) {	1472	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1474	my $login = $_[0];
985		1475
986	my $guard = cf::lock_acquire "user_find:$login";	1476	my $guard = cf::lock_acquire "user_find:$login";
987		1477
988	$cf::PLAYER{$_[0]} || do {	1478	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1479	# rename old playerfiles to new ones
		1480	#TODO: remove when no longer required
		1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1484	aio_unlink +(playerdir $login) . "/$login.pl";
		1485
		1486	my $f = new_from_file cf::object::thawer path $login
990	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
992	}	1495	}
993	}	1496	}
994	}	1497	}
995		1498
…		…
1004	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1005		1508
1006	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1008		1511
		1512	cf::get_slot 0.01;
		1513
1009	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1010	Coro::cede;	1515	cf::cede_to_tick;
1011	}	1516	}
1012		1517
1013	sub new($) {	1518	sub new($) {
1014	my ($login) = @_;	1519	my ($login) = @_;
1015		1520
…		…
1021	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1022		1527
1023	$self	1528	$self
1024	}	1529	}
1025		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1026	=item $pl->quit_character	1541	=item $pl->quit_character
1027		1542
1028	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1030		1545
…		…
1034	my ($pl) = @_;	1549	my ($pl) = @_;
1035		1550
1036	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1037		1552
1038	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1555
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1045		1562
1046	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1078		1595
1079	=cut	1596	=cut
1080		1597
1081	sub list_logins {	1598	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1600	or return [];
1084		1601
1085	my @logins;	1602	my @logins;
1086		1603
1087	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1091		1614
1092	utf8::decode $login;	1615	utf8::decode $login;
1093	push @logins, $login;	1616	push @logins, $login;
1094	}	1617	}
1095		1618
…		…
1122	}	1645	}
1123		1646
1124	\@paths	1647	\@paths
1125	}	1648	}
1126		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1128		1655
1129	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1130		1657
1131	=cut	1658	=cut
1132		1659
1133	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1135		1662
1136	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1664	}
1140		1665
1141	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1142		1706
1143	=back	1707	=back
1144
1145		1708
1146	=head3 cf::map	1709	=head3 cf::map
1147		1710
1148	=over 4	1711	=over 4
1149		1712
…		…
1161	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1163		1726
1164	sub generate_random_map {	1727	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1166	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1733	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1205		1771
1206	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1207	local $self->{path};	1773	local $self->{path};
1208	local $self->{load_path};	1774	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1775
1212	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1213	}	1777	}
1214		1778
1215	sub normalise {	1779	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1263	return $self;	1827	return $self;
1264	}	1828	}
1265	}	1829	}
1266		1830
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1832	()
1269	}	1833	}
1270		1834
1271	sub init {	1835	sub init {
1272	my ($self) = @_;	1836	my ($self) = @_;
…		…
1287		1851
1288	# the original (read-only) location	1852	# the original (read-only) location
1289	sub load_path {	1853	sub load_path {
1290	my ($self) = @_;	1854	my ($self) = @_;
1291		1855
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1293	}	1857	}
1294		1858
1295	# the temporary/swap location	1859	# the temporary/swap location
1296	sub save_path {	1860	sub save_path {
1297	my ($self) = @_;	1861	my ($self) = @_;
1298		1862
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1301	}	1865	}
1302		1866
1303	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1304	sub uniq_path {	1868	sub uniq_path {
1305	my ($self) = @_;	1869	my ($self) = @_;
1306		1870
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1309	}	1873	}
1310		1874
1311	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1312	# all maps in C++...	1876	# all maps in C++...
1313	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1315		1879
1316	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1318	}	1882	}
1319		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1320	sub unlink_save {	1892	sub unlink_save {
1321	my ($self) = @_;	1893	my ($self) = @_;
1322		1894
1323	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1899
1328	sub load_header_from($) {	1900	sub load_header_from($) {
1329	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1330		1902
1331	utf8::encode $path;	1903	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1337		1912
1338	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1339		1914
1340	1	1915	1
1341	}	1916	}
…		…
1380	$self->load_header_orig	1955	$self->load_header_orig
1381	or return;	1956	or return;
1382	$self->prepare_orig;	1957	$self->prepare_orig;
1383	}	1958	}
1384		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1385	1	1966	1
1386	}	1967	}
1387		1968
1388	sub find;	1969	sub find;
1389	sub find {	1970	sub find {
1390	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1391		1972
1392	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1393		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1395		1977
1396	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1397	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1398	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1399	or return;	1983	or return;
1400		1984
1401	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1402		1986
1403	$map->load_header	1987	$map->load_header
1404	or return;	1988	or return;
1405		1989
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1409	$map->reset;	1995	$map->reset;
1410	undef $guard;
1411	return find $path;	1996	return find $path;
1412	}	1997	}
1413		1998
1414	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1415	}	2000	}
…		…
1422	my ($self) = @_;	2007	my ($self) = @_;
1423		2008
1424	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1425		2010
1426	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1428		2015
		2016	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2018
1431	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1432		2020
1433	$self->alloc;	2021	$self->alloc;
1434		2022
1435	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1436		2025
1437	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1438	or return;	2029	or return;
1439		2030
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1441	if delete $self->{load_original};	2032	if delete $self->{load_original};
1442		2033
1443	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2035	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2038	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1448	}	2042	}
1449	}	2043	}
1450		2044
1451	Coro::cede;	2045	$f->resolve_delayed_derefs;
1452		2046
		2047	cf::cede_to_tick;
1453	# now do the right thing for maps	2048	# now do the right thing for maps
1454	$self->link_multipart_objects;	2049	$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)	2050	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2051	unless $self->difficulty;
1464	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1465	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2068	}
1467		2069
1468	$self->post_load;	2070	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2071	}
1472		2072
1473	sub customise_for {	2073	sub customise_for {
1474	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1475		2075
1476	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2077	if $self->per_player;
1478		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1479	$self	2082	$self
1480	}	2083	}
1481		2084
1482	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2086	sub load_neighbours {
1484	my ($map) = @_;	2087	my ($map) = @_;
1485		2088
1486	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1487		2090
1488	for (0 .. 3) {	2091	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1490	or next;	2093	or next;
1491	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1492	or next;	2095	or next;
1493	$neigh->load;	2096	$neigh->load;
1494		2097
		2098	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2101	}
1498		2102
1499	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1501	or next;	2106	or next;
1502	$neigh->load;	2107	$neigh->load;
1503	}	2108	}
1504	}	2109	}
1505		2110
…		…
1510	}	2115	}
1511		2116
1512	sub do_load_sync {	2117	sub do_load_sync {
1513	my ($map) = @_;	2118	my ($map) = @_;
1514		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1515	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1516	}	2124	}
1517		2125
1518	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1520		2128
1521	sub find_async {	2129	sub find_async {
1522	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1523		2131
1524	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1525		2133
1526	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2136	}
1529		2137
1530	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1531	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1532	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2145	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2146	$map->load if $v;
		2147	}
1537		2148
1538	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1539	}	2150	}
1540	}	2151	}
1541	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1542	};	2153	};
1543	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2157	}
1547		2158
1548	sub save {	2159	sub save {
1549	my ($self) = @_;	2160	my ($self) = @_;
1550		2161
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2163
1553	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1554		2165
1555	return unless $self->dirty;	2166	return unless $self->dirty;
1556		2167
…		…
1562	return if $self->{deny_save};	2173	return if $self->{deny_save};
1563		2174
1564	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1565		2176
1566	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1568	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1569		2183
1570	if ($uniq) {	2184	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2187	} else {
…		…
1579	my ($self) = @_;	2193	my ($self) = @_;
1580		2194
1581	# save first because save cedes	2195	# save first because save cedes
1582	$self->save;	2196	$self->save;
1583		2197
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2199
1586	return if $self->players;	2200	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2202	return if $self->{deny_save};
1589		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2208	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2209	}
1593		2210
1594	sub reset_at {	2211	sub reset_at {
1595	my ($self) = @_;	2212	my ($self) = @_;
1596		2213
1597	# TODO: safety, remove and allow resettable per-player maps	2214	# 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};	2215	return 1e99 if $self->{deny_reset};
1600		2216
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2219
…		…
1614	my ($self) = @_;	2230	my ($self) = @_;
1615		2231
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2233
1618	return if $self->players;	2234	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2235
1621	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1622		2237
1623	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1624		2239
1625	# need to save uniques path	2240	# need to save uniques path
1626	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2245	if $uniq;
1631	}	2246	}
1632		2247
1633	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1634		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2252	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2253
1639	$self->unlink_save;	2254	$self->unlink_save;
1640	$self->destroy;	2255	$self->destroy;
1641	}	2256	}
1642		2257
1643	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1644		2259
1645	sub nuke {	2260	sub nuke {
1646	my ($self) = @_;	2261	my ($self) = @_;
1647		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1648	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1649		2267
1650	$self->unlink_save;	2268	$self->unlink_save;
1651		2269
1652	bless $self, "cf::map";	2270	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2275
1658	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1659		2278
1660	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1661	}	2316	}
1662		2317
1663	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1664		2319
1665	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2321	instantiated unique items. May block.
1667		2322
1668	=cut	2323	=cut
1669		2324
1670	sub unique_maps() {	2325	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1672	or return;	2327	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2328	utf8::decode $_;
1678	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2331	? ()
1681	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2334	]
1683
1684	\@paths
1685	}	2335	}
1686
1687	package cf;
1688		2336
1689	=back	2337	=back
1690		2338
1691	=head3 cf::object	2339	=head3 cf::object
1692		2340
…		…
1696		2344
1697	=over 4	2345	=over 4
1698		2346
1699	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1700		2348
1701	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1702		2351
1703	=cut	2352	=cut
1704		2353
1705	sub inv_recursive_;	2354	sub inv_recursive_;
1706	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1709		2358
1710	sub inv_recursive {	2359	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1712	}	2361	}
1713		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1714	package cf;	2391	package cf;
1715		2392
1716	=back	2393	=back
1717		2394
1718	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	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	2402	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1727		2404
1728	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1729		2420
1730	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2422	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1735		2426
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2428
1738	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1740	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1743	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1744	}	2454	}
1745		2455
1746	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1747		2457
1748	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1761		2471
1762	=item $player_object->enter_link	2472	=item $player_object->enter_link
1763		2473
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2475
1766	The player should be reasonably safe there for short amounts of time. You	2476	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.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1768		2480
1769	Will never block.	2481	Will never block.
1770		2482
1771	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1772		2484
…		…
1795	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1796		2508
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2510
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1801		2513
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2515	}
1804		2516
1805	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1807		2521
1808	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1809		2523
1810	unless ($map) {	2524	unless ($map) {
1811	# restore original map position	2525	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1828		2542
1829	$map->load;	2543	$map->load;
1830	$map->load_diag;	2544	$map->load_neighbours;
1831		2545
1832	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1833	$self->activate_recursive;	2548	$self->activate_recursive;
1834		2549
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1837	}	2552	}
1838		2553
1839	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2555
1843	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1847	};	2560	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2561
1853	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1855	if ($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		2564
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1874		2568
1875	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2574
1878	$self->enter_link;	2575	$self->enter_link;
1879		2576
1880	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1881	my $map = eval {	2599	my $map = eval {
1882	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1884	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2615	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1889	})->prio (1);	2623	})->prio (1);
1890	}	2624	}
1891		2625
1892	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1893		2627
…		…
1913	}	2647	}
1914		2648
1915	sub prepare_random_map {	2649	sub prepare_random_map {
1916	my ($exit) = @_;	2650	my ($exit) = @_;
1917		2651
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2654	# that depends on the exit object
1923		2655
1924	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2658	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1931	}	2665	}
1932		2666
1933	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1934		2668
1935	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1938		2672
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2675	undef $fh;
1942	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1943		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1946	}	2684	}
1947	}	2685	}
1948		2686
1949	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
1951		2689
1952	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1953		2691
1954	if ($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;	2692	$self->enter_link;
1964		2693
1965	(async {	2694	(async {
1966	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1967	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
1968	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
1969		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
1970	1;	2718	1
1971	}) {	2719	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2724
1977	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2726	$self->leave_link;
1979	}	2727	}
1980	})->prio (1);	2728	})->prio (1);
…		…
1993		2741
1994	sub cf::client::send_drawinfo {	2742	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2743	my ($self, $text, $flags) = @_;
1996		2744
1997	utf8::encode $text;	2745	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2747	}
2000		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
		2900	=item $client->ext_msg ($type, @msg)
		2901
		2902	Sends an ext event to the client.
		2903
		2904	=cut
		2905
		2906	sub cf::client::ext_msg($$@) {
		2907	my ($self, $type, @msg) = @_;
		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
		2912	push @msg, msgtype => "event_$type";
		2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
2001		2934
2002	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2003		2936
2004	Queues a query to the client, calling the given callback with	2937	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>,	2938	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>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2940
2008	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2942	become reliable at some point in the future.
2010		2943
2011	=cut	2944	=cut
2012		2945
2013	sub cf::client::query {	2946	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2955	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2957
2025	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2027	}	2962	}
2028		2963
2029	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2030	on_reply => sub {	2970	on_reply => sub {
2031	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2032		2972
2033	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2034	# get handled first	2974	# get handled first
…		…
2046	} else {	2986	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2988	}
2049	}	2989	}
2050	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2051	);	3017	);
2052		3018
2053	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2054		3020
2055	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2098		3064
2099	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2100		3066
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2102		3072
2103	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2104		3074
2105	=pod	3075	=pod
2106		3076
2107	The following fucntions and emthods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2108		3078
2109	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2110	cf::object::player player	3083	cf::object::player
2111	cf::player peaceful	3084	player
2112	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2113		3091
2114	=cut	3092	=cut
2115		3093
2116	for (	3094	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2118	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2121	) {	3101	) {
2122	no strict 'refs';	3102	no strict 'refs';
…		…
2193	=back	3173	=back
2194		3174
2195	=cut	3175	=cut
2196		3176
2197	#############################################################################	3177	#############################################################################
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 $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3178	# the server's init and main functions
2271		3179
2272	sub load_faces {	3180	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3181	my ($path) = @_;
2274		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
2275	warn "loading faces from $path\n";	3189	warn "loading facedata from $path\n";
2276		3190
2277	my $faces;	3191	my $facedata;
2278	0 < aio_load $path, $faces	3192	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3193	or die "$path: $!";
2280		3194
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3195	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3196
		3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
		3207	{
		3208	my $faces = $facedata->{faceinfo};
		3209
2285	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3212
		3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3217
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	while (my ($face, $info) = each %$faces) {
		3222	next unless $info->{smooth};
		3223
		3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
2290	}	3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3283
2292	1	3284	1
2293	}	3285	}
2294		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
2295	sub reload_resources {	3354	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3355	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3356
2298	load_faces	3357	reload_facedata;
2299	or die "unable to load faces\n";#d#	3358	reload_archetypes;
2300	}
2301
2302	sub init {
2303	reload_resources;	3359	reload_regions;
2304	}	3360	reload_treasures;
2305		3361
2306	sub cfg_load {	3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3367	or return;
2309		3368
2310	local $/;	3369	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2312		3371
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3373
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$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};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2322	};	3381	};
2323	warn $@ if $@;	3382	warn $@ if $@;
2324	}	3383	}
2325	}	3384	}
2326		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2327	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2328	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3424	(async {
2332	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2334	};	3428	};
2335		3429
2336	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2337	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2338	load_extensions;	3448	load_extensions;
2339		3449
2340	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2341	Event::loop;	3458	EV::loop;
2342	}	3459	}
2343		3460
2344	#############################################################################	3461	#############################################################################
2345	# initialisation and cleanup	3462	# initialisation and cleanup
2346		3463
2347	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2348	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3468	$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";	3469	cf::cleanup "SIG$signal";
2357	},
2358	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2359	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2360	}	3558	}
2361		3559
2362	sub emergency_save() {	3560	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2364		3562
…		…
2370	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3574	$pl->save;
2376	}	3575	}
2377	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2378		3577
2379	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2385	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2386		3585
2387	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2390	};	3593	};
2391		3594
2392	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2393	}	3596	}
2394		3597
2395	sub post_cleanup {	3598	sub post_cleanup {
2396	my ($make_core) = @_;	3599	my ($make_core) = @_;
2397		3600
2398	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3602	if $make_core;
2400	}
2401		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2402	sub reload() {	3634	sub do_reload_perl() {
2403	# can/must only be called in main	3635	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2406	return;	3638	return;
2407	}	3639	}
2408		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2409	warn "reloading...";	3644	warn "reloading...";
2410		3645
2411	warn "entering sync_job";	3646	warn "entering sync_job";
2412		3647
2413	cf::sync_job {	3648	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3650	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2417		3652
2418	warn "syncing database to disk";	3653	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3655
2421	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2422		3657
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";	3658	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;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3660	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	}	3661	}
2459		3662
2460	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2462	}	3665	%EXT_CORO = ();
2463		3666
2464	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3676	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3677
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2475	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2476	}	3687	}
2477		3688
2478	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2479	}	3704	}
2480		3705
2481	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3709
2485	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2487		3713
2488	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3715	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2491		3717
2492	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2493		3719
2494	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2495	require cf;	3721	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3723
2498	warn "loading config and database again";	3724	warn "loading config and database again";
2499	cf::cfg_load;	3725	cf::reload_config;
2500		3726
2501	warn "loading extensions";	3727	warn "loading extensions";
2502	cf::load_extensions;	3728	cf::load_extensions;
2503		3729
2504	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2510		3736
2511	warn "loading reloadable resources";	3737	warn "running post_load";
2512	reload_resources;	3738	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3739
2514	warn "leaving sync_job";	3740	warn "leaving sync_job";
2515		3741
2516	1	3742	1
2517	} or do {	3743	} or do {
2518	warn $@;	3744	warn $@;
2519	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2521	};	3762	};
2522		3763	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3764
2528	register_command "reload" => sub {	3765	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2530		3767
2531	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2533		3770	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3771	$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;	3772	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3773	};
2546	}	3774	}
2547	};	3775	};
2548		3776
2549	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2550		3778
2551	my $bug_warning = 0;	3779	my $bug_warning = 0;
2552		3780
2553	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3783
2556	prio => 0,	3784	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3786
2559	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2560	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2563	return;	3804	return;
2564	}	3805	}
2565		3806
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3808
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3813	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3815	};
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	},	3816	}
2592	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2593		3836
2594	{	3837	{
2595	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3839
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;	3840	BDB::min_parallel 8;
2605		3841	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3842	$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		3843
2621	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3851
2624	cf::sync_job {	3852	cf::sync_job {
2625	eval {	3853	eval {
2626	BDB::db_env_open	3854	BDB::db_env_open
2627	$DB_ENV,	3855	$DB_ENV,
2628	$BDB_ENV_DIR,	3856	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3859	0666;
2632		3860
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	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	};	3862	};
2638		3863
2639	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3865	};
2641	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2642	}	3877	}
2643		3878
2644	{	3879	{
		3880	# configure IO::AIO
		3881
2645	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3884	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	}	3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2658		3931
2659	END { cf::emergency_save }	3932	END { cf::emergency_save }
2660		3933
2661	1	3934	1
2662		3935

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